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Universitätsprofessor/in, Strömungsmaschinen
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2024 WS
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Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.
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Method for considering real gas equations of state in through-flow programsIn: Energy: The international journal Jg. 298 (2024) 131282Online Volltext: dx.doi.org/ (Open Access)
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Paving the way for CO₂-Plume Geothermal (CPG) systems : A perspective on the CO₂ surface equipmentIn: Energy: The international journal Jg. 305 (2024) 132258Online Volltext: dx.doi.org/ (Open Access)
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PDA Laser Measurements of Droplet-Laden Flows ina Four-Stage Axial CompressorIn: Journal of Turbomachinery Jg. 145 (2023) Nr. 2, 021013Online Volltext: dx.doi.org/
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A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control ValvesIn: Journal of Engineering for Gas Turbines and Power Jg. 144 (2022) Nr. 1, 011026Online Volltext: dx.doi.org/
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Acoustoelastic Modes in Rotor-Cavity Systems : An Overview on Frequency Shift Effects Supported with MeasurementsIn: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 7 (2022) Nr. 2, 15Online Volltext: dx.doi.org/ (Open Access)
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Experimental Data of Supercritical Carbon Dioxide (sCO₂) Compressor at Various Fluid StatesIn: Journal of Engineering for Gas Turbines and Power Jg. 144 (2022) Nr. 4, 041012Online Volltext: dx.doi.org/ (Open Access)
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Experimental Validation of an Analytical Condensation Model for Application in Steam Turbine DesignIn: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 7 (2022) Nr. 1, 9Online Volltext: dx.doi.org/ (Open Access)
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Numerical simulation of real gas one-component two-phase flow using a Roe-based schemeIn: Computers & Fluids Jg. 245 (2022) 105560Online Volltext: dx.doi.org/
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Simulation, analysis and control of a self-propelling heat removal system using supercritical CO₂ under varying boundary conditionsIn: Energy: The international journal Jg. 247 (2022) 123500Online Volltext: dx.doi.org/ (Open Access)
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Surrogate Models for the Prediction of Damping Ratios in Coupled Acoustoelastic Rotor-Cavity SystemsIn: Journal of Engineering for Gas Turbines and Power Jg. 144 (2022) Nr. 8, 081002Online Volltext: dx.doi.org/
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Turbomachine Operation with Magnetic Bearings in Supercritical Carbon Dioxide EnvironmentIn: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 7 (2022) Nr. 2, 18Online Volltext: dx.doi.org/ (Open Access)
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Experimental investigation of centrifugal flow in rotor–stator cavities at high reynolds numbers > 10⁸In: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 6 (2021) Nr. 2, 13Online Volltext: dx.doi.org/ (Open Access)
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Experimental investigations on the pressure fluctuations in the sealing gap of Dry gas seals with embedded pressure sensorsIn: Journal of Engineering for Gas Turbines and Power Jg. 143 (2021) Nr. 3, 031005Online Volltext: dx.doi.org/
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Impact of volumetric system design on compressor inlet conditions in supercritical CO2 cyclesIn: Journal of the Global Power and Propulsion Society Jg. 5 (2021) S. 104 - 110Online Volltext: dx.doi.org/ (Open Access)
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Proof of concept for a novel interstage injection design in axial compressorsIn: Journal of Engineering for Gas Turbines and Power Jg. 143 (2021) Nr. 6, 061030Online Volltext: dx.doi.org/
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Impact of leakage inlet swirl angle in a rotor-stator cavity on flow pattern, radial pressure distribution and frictional torque in a wide circumferential reynolds number rangeIn: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 5 (2020) Nr. 2, S. 7Online Volltext: dx.doi.org/ (Open Access)
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Cycle calculations of a small-scale heat removal system with supercritical CO2 as working fluidIn: Journal of Nuclear Engineering and Radiation Science / American Society of Mechanical Engineers (ASME) (Hrsg.) Jg. 5 (2019) Nr. 1, 011011Online Volltext: dx.doi.org/
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Flow-induced steam valve vibrations : a literature review of excitation mechanisms, preventive measures, and design improvementsIn: Journal of Engineering for Gas Turbines and Power Jg. 141 (2019) Nr. 5, 051009Online Volltext: dx.doi.org/
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Stabilizing effects of supercritical CO₂ fluid properties on compressor operation
13th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics (ETC2019): Lausanne, Switzerland; 8–12 April 2019,In: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 4 (2019) Nr. 3, 20Online Volltext: dx.doi.org/ (Open Access) -
Condensation in Radial Turbines : Part I: Mathematical ModelingIn: Journal of Turbomachinery Jg. 140 (2018) Nr. 10, S. 101001Online Volltext: dx.doi.org/
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Condensation in radial turbines : Part II: Application of the mathematical model to a radial turbine seriesIn: Journal of Turbomachinery Jg. 140 (2018) Nr. 10, S. 101002Online Volltext: dx.doi.org/
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Investigation on Thrust and Moment Coefficients of a Centrifugal TurbomachineIn: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 3 (2018) Nr. 2, S. 9Online Volltext: dx.doi.org/ (Open Access)
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Turbomachine Design for Supercritical Carbon Dioxide Within the sCO2-HeRo.eu ProjectIn: Journal of Engineering for Gas Turbines and Power Jg. 140 (2018) Nr. 12, 121017Online Volltext: dx.doi.org/ (Open Access)
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Clarifying the Physics of Flow Separations in Steam Turbine Inlet Valves at Part Load Operation and Improved Design ConsiderationsIn: Journal of Fluids Engineering / American Society of Mechanical Engineers (ASME) (Hrsg.) Jg. 139 (2017) Nr. 8, S. 081105Online Volltext: dx.doi.org/
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Droplet deposition in radial turbinesIn: European Journal of Mechanics / B: Fluids Jg. 61 (2017) S. 289 - 296Online Volltext: dx.doi.org/
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Investigation on flow-induced vibrations of a steam turbine inlet valve considering fluid-structure interaction effectsIn: Journal of Engineering for Gas Turbines and Power Jg. 139 (2017) Nr. 2, 022507Online Volltext: dx.doi.org/
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Investigation on the flow in a rotor-stator cavity with centripetal through-flowIn: International Journal of Turbomachinery, Propulsion and Power (IJTPP) Jg. 2 (2017) Nr. 4, 18Online Volltext: dx.doi.org/ (Open Access)
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Modification of a steam valve diffuser for enhanced full load and part load operation using numerical methodsIn: Periodica Polytechnica / Mechanical Engineering / Budapest University of Technology and Economics (Hrsg.) Jg. 60 (2016) Nr. 3, S. 185 - 192Online Volltext: dx.doi.org/
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Numerical Investigation on the Time-Variant Flow Field and Dynamic Forces Acting in Steam Turbine Inlet ValvesIn: Journal of Engineering for Gas Turbines and Power Jg. 137 (2015) Nr. 8, 081601Online Volltext: dx.doi.org/
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The Supercritical CO2 Heat Removal System - Status and Outlook
12th International Topical Meeting on Nuclear Reactor Thermal-Hydraulics, Operation and Safety (NUTHOS-12) Qingdao, China, October 14-18, 2018,Duisburg, Essen (2019)Online Volltext: dx.doi.org/ Online Volltext (Open Access) -
Selected papers from the 5th European conference on supercritical CO₂ for energy systemsIn: Energy: The international journal Jg. 304 (2024) 132062Online Volltext: dx.doi.org/
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Selected papers from the 4th European Conference on Supercritical CO₂ for Energy SystemsIn: Energy: The international journal Jg. 263 (2023) Nr. Part B, 125780Online Volltext: dx.doi.org/
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Centrifugal Compressor Instrumentation for Developing an Anomaly Detection Method Using Vibration- and Acoustic Measurement DataIn: ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition: Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions / ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition, June 24–28, 2024 London, United Kingdom / American Society of Mechanical Engineers (Hrsg.) 2024 V12CT33A007Online Volltext: dx.doi.org/
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Numerical Method for Investigating Non-Ideal Flow Demonstrated on a Centrifugal Compressor Operating Near the Critical Point of CO2In: ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition: Volume 11: Supercritical CO2 2024 V011T28A012Online Volltext: dx.doi.org/
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Transfer Functions for the Inverse Design of Turbomachinery for Thermal Power StorageIn: Proceedings of the ASME Turbo Expo: Turbomachinery Technical Conference and Exposition ; (GT2024) ; Volume 6 / 69th ASME Turbo Expo ; June 24-28, 2024, London, UK / American Society of Mechanical Engineers (Hrsg.) 2024 GT2024-123272Online Volltext: dx.doi.org/
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Acoustoelastic Modes in a Rotor-Cavity System With Superposed Through FlowIn: Proceedings of the ASME Turbo Expo : Turbomachinery Technical Conference and Exposition (GT 2023): Volume 11A: Structures and Dynamics - Aerodynamics Excitation and Damping; Bearing and Seal Dynamics / ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition "Power for Land, Sea, ans Air", 26-30 June 2023, Boston / American Society of Mechanical Engineers (Hrsg.) 2023 V11AT21A007Online Volltext: dx.doi.org/
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An Euler-Based Throughflow Approach for Axial CompressorsIn: Proceedings of the ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition (GT 2023) / ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition (GT 2023): Boston, USA; 26 - 30 June 2023 Jg. 13C 2023 v13ct32a013Online Volltext: dx.doi.org/
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Further development of a through-flow program by considering real gas equation of stateIn: Conference Proceedings of the 5th European sCO2 Conference 2023 / Brillert, Dieter; 5th European sCO2 Conference for Energy Systems : March 14-16, 2023, Prague, Czech Republic / sCO2-Flex Project (Hrsg.) 2023, S. 58 - 65Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Investigation of the Applicability of Methods Approved for Steam to the Design of Labyrinth Seals in Turbines Operated With CO2 in Supercritical StateIn: Proceedings of ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition (GT 2023): Volume 12: Supercritical CO2 / ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition June 26–30, 2023 Boston, Massachusetts 2023 v012t28a011Online Volltext: dx.doi.org/
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Reduction of Mechanical Stresses in Centrifugal Compressor Impellers for Hydrogen ApplicationsIn: 15th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics / 15th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics ; ETC15 ; 24 - 28 April 2023, Budapest, Hungary / European Turbomachinery Society (Hrsg.) 2023 ETC2023-109Online Volltext: dx.doi.org/ (Open Access)
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An Euler-Based Throughflow Approach for Centrifugal Compressors : Part A: Extension and Modifications of ModelsIn: Proceedings of ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition (GT 2022): Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications / 67. ASME Turbo Expo, June 13-17, 2022, Rotterdam, The Netherlands 2022 V007T19A007Online Volltext: dx.doi.org/
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An Euler-Based Throughflow Approach for Centrifugal Compressors : Part B: Experimental Investigations and ValidationIn: Proceedings of ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition (GT 2022): Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications / 67. ASME Turbo Expo, June 13-17, 2022, Rotterdam, The Netherlands; International Gas Turbine Institute 2022 V007T19A006Online Volltext: dx.doi.org/
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Hydrogen Compression : Towards a New Strategy for the Design of Hydrogen CompressorsIn: Proceedings of ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition (GT 2022): Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics / SME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition (GT 2022), June 13-17, 2022, Rotterdam, The Netherlands 2022 V10BT35A001Online Volltext: dx.doi.org/
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PDA Laser Measurements of Droplet-Laden Flows in a Four Stage Axial CompressorIn: Proceedings of ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition (GT 2022): Volume 10A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics / 67. ASME Turbo Expo, June 13-17, 2022, Rotterdam, The Netherlands 2022 V10AT29A007Online Volltext: dx.doi.org/
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Vortex-Generators Reduce the Dynamic Axial Forces in the Model of a Steam Turbine Control ValveIn: Proceedings of ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition (GT 2022): Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine / 67. ASME Turbo Expo, June 13-17, 2022, Rotterdam, The Netherlands 2022 V002T20A007Online Volltext: dx.doi.org/
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A novel test rig using air for investigation of vibration and interaction of two steam turbine control valvesIn: ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition: Volume 8: Oil and Gas Applications; Steam Turbine / GT 2021, Virtual, Online, 7 - 11 June 2021 2021 V008T22A004Online Volltext: dx.doi.org/
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An Euler-Based Throughflow Approach for an Axial Turbine at Supersonic Flow RegimesIn: 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics / 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT14, April 12-16, 2021; virtual conference / European Turbomachinery Society (Hrsg.) 2021 ETC2021-661Online Volltext: dx.doi.org/ (Open Access)
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An attempt for establishing pressure ratio performance maps for supercritical carbon dioxide compressors in power applicationsIn: Conference Proceedings of the 4th European sCO₂ Conference 2021 / 4th European sCO₂ Conference for Energy Systems, 23-24 March 2021, Online Conference / Brillert, Dieter (Hrsg.) 2021, S. 124 - 130Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Evaluation of performance gain by interstage injection in a four-stage axial compressorIn: ASME Turbo Expo 2021: Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy Jg. 7 2021 V007T16A002Online Volltext: dx.doi.org/
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Experimental Investigation of Centrifugal Flow in Rotor-Stator Cavities at High Reynolds Numbers > 10⁸In: 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics / 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT14, April 12-16, 2021; virtual conference / European Turbomachinery Society (Hrsg.) 2021 ETC2021-651
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Experimental damping behavior of strongly coupled structure and acoustic modes of a rotating disk with side cavitiesIn: ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition: Volume 9A: Structures and Dynamics - Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering / GT 2021, Virtual, Online, 7 - 11 June 2021 2021 V09AT23A004Online Volltext: dx.doi.org/
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Experimental studies on dry gas seals with time-resolved film thickness measurementsIn: ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition: Volume 9A: Structures and Dynamics - Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering / GT 2021, Virtual, Online, 7 - 11 June 2021 2021 V09AT24A003Online Volltext: dx.doi.org/
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Experimental validation of an analytical condensation model for the improvement of steam turbine design regarding flexibility requirementsIn: 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics / 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT14, April 12-16, 2021; virtual conference / European Turbomachinery Society (Hrsg.) 2021 ETC2021-562
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Mean-line analysis for supercritical CO₂ centrifugal compressors by using enthalpy loss coefficientsIn: Conference Proceedings of the 4th European sCO₂ Conference 2021 / 4th European sCO₂ Conference for Energy Systems, 23-24 March 2021, Online Conference / Brillert, Dieter (Hrsg.) 2021, S. 68 - 77Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Simulation and analysis of a self-propelling heat removal system using supercritical CO₂ at different ambient temperaturesIn: Conference Proceedings of the 4th European sCO₂ Conference 2021 / 4th European sCO₂ Conference for Energy Systems, 23-24 March 2021, Online Conference / Brillert, Dieter (Hrsg.) 2021, S. 14 - 27Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Surrogate models for the prediction of damping ratios in coupled acoustoelastic rotor-cavity systemsIn: ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition: Volume 9B: Structures and Dynamics - Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration / GT 2021, Virtual, Online, 7 - 11 June 2021 2021 V09BT29A009Online Volltext: dx.doi.org/
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The effect of the isentropic exponent on the performance map of supercritical compressors with carbon dioxide as an exampleIn: 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics / 14th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT14, April 12-16, 2021; virtual conference / European Turbomachinery Society (Hrsg.) 2021 ETC2021-667Online Volltext: dx.doi.org/ (Open Access)
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A design tool for supercritical CO2 radial compressors based on the two-zone modelIn: Proceedings of the ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition: Vol. 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2 / GT 2020; Virtual, Online; 21 - 25 September 2020 2020, S. V011T31A012Online Volltext: dx.doi.org/ (Open Access)
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Challenges of compressing hydrogen for pipeline transportation with centrifugal-compressorsIn: Proceedings of Global Power and Propulsion Society / GPPS Chania20; 7th – 9th September, 2020 2020 GPPS-CH-2020-0045Online Volltext: dx.doi.org/ (Open Access)
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Deficits in Rans Modelling in the U-Turn of a Multistage Centrifugal CompressorIn: Proceedings of Global Power and Propulsion Society / GPPS Chania20; 7th – 9th September, 2020 2020 GPPS-CH-2020-4Online Volltext: dx.doi.org/ (Open Access)
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Experimental investigations on the pressure fluctuations in the sealing gap of dry gas seals with embedded pressure sensorsIn: Proceedings of the ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition: Vol. 10A: Structures and Dynamics / GT 2020; Virtual, Online; 21 - 25 September 2020 2020, S. V10AT25A012Online Volltext: dx.doi.org/
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Impact of volumetric system design on compressor inlet conditions in supercritical CO2 cyclesIn: Proceedings of Global Power and Propulsion Society / GPPS Chania20; 7th – 9th September, 2020 2020Online Volltext: dx.doi.org/ (Open Access)
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Model validation of an euler-based 2D-throughflow approach for multistage axial turbine analysisIn: Proceedings of the ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition: 2C: Turbomachinery / GT 2020; Virtual, Online; 21 - 25 September 2020 2020, S. V02CT35A055Online Volltext: dx.doi.org/
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Prediction in rotor–stator cavities at high reynolds numbers up to Re ≈ 2 ∙ 10⁸: Towards a new parametric modelIn: Proceedings of the ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition: Vol. 2E: Turbomachinery / GT 2020; Virtual, Online; 21 - 25 September 2020 2020, S. V02ET39A001Online Volltext: dx.doi.org/
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Proof of concept for a novel interstage injection design in axial compressorsIn: Proceedings of the ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition / GT 2020; Virtual, Online; 21 - 25 September 2020 Jg. 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines 2020, S. V008T17A005Online Volltext: dx.doi.org/
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The multi-phase flow test facility ⇜emma⇝ to investigate local heat transfer coefficients and liquid water films at wet steam conditionsIn: Proceedings of the ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition: Vol. 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine / GT 2020; Virtual, Online; 21 - 25 September 2020 2020, S. V009T23A028Online Volltext: dx.doi.org/
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Effect of Interstage Injection on Compressor Flow CharacteristicIn: Fluids Engineering Division Summer Meeting: Vol.5: Multiphase Flow / ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference July 28–August 1, 2019 San Francisco, California, USA 2019, S. V005T05A040Online Volltext: dx.doi.org/
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Experimental and numerical investigation on the flow in a return channel of multistage centrifugal compressorsIn: Proceedings of the ASME Turbo Expo: Volume 2B: Turbomachinery / ASME Turbo Expo 2019: Turbomachinery Technical Conference and Expositio; 17–21, 2019; Phoenix, USA 2019, S. GT2019 - 90455Online Volltext: dx.doi.org/
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Impact of leakage inlet swirl angle in a rotor-stator cavity on flow pattern, radial pressure distribution and frictional torque in a wide circumferential reynolds number rangeIn: Proceedings of the 13th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics (ETC 2019) / ETC 2019; Lausanne, Switzerland; 8 - 12 April 2019 / European Turbomachinery Society (Hrsg.) 2019
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Investigation of aerodynamic effects in stator components of multistage centrifugal compressorsIn: Proceedings of the 13th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics (ETC 2019) / ETC 2019; Lausanne, Switzerland; 8 - 12 April 2019 / European Turbomachinery Society (Hrsg.) 2019 ETC2019-431Online Volltext: dx.doi.org/ (Open Access)
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Investigation of the evaporation process of liquefied hydrocarbons in front of a compressorIn: ISROMAC 2017 / 17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2017, 16.-21.12.2017, Maui, Hawaii, USA 2019Online Volltext (Open Access)
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Operational experiences and design of the sCO2-HeRo loopIn: Conference Proceedings of the 3rd European supercritical CO2 Conference 2019 / 3rd European supercritical CO2 Conference, September 19-20, 2019, Paris, France
Duisburg, Essen 2019, S. 125 - 137Online Volltext: dx.doi.org/ Online Volltext (Open Access) -
Stabilizing Effects of Supercritical CO2 Fluid Properties on Compressor OperationIn: 13th European Turbomachinery Conference on Turbomachinery Fluid Dynamics and Thermodynamics / ETC 2019; Lausanne, Switzerland; 8 - 12 April 2019 2019, S. 121
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The behavior of the modal properties of weak and strong coupled acoustic modes at different pressure levels in a rotor-stator test rigIn: Open Archives of the 17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery / 17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2017, 16.-21.12.2017, Maui, Hawaii, USA 2019Online Volltext (Open Access)
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A test rig concept to study fluid structure interactions in a steam turbine valveIn: Proceedings of the ASME Turbo Expo: Vol. 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines 2018Online Volltext: dx.doi.org/
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Damping Behavior of Acoustic Dominant Modes in an Aeroacoustic Test Rig Representing a Simplified Geometry of a High Pressure Radial CompressorIn: Proceedings of the ASME Turbo Expo: Turbomachinery Technical Conference and Exposition: Volume 7C: Structures and Dynamics / ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition, GT 2018, Oslo; Norway, 11 - 15 June 2018 2018, S. V07CT36A018Online Volltext: dx.doi.org/
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Droplet deposition in radial turbinesIn: 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Apr 2016, Honolulu, United States / ISROMAC: 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, 10.-15.04.2016, Honolulu, United States 2018Online Volltext (Open Access)
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Droplet evaporation in the context of interstage injectionIn: 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Apr 2016, Honolulu, United States / ISROMAC: 16th International Symposium on Transport Phenomena andDynamics of Rotating Machinery, 10.-15.04.2016, Honolulu, United States 2018Online Volltext (Open Access)
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Experimental investigation of the sCO2-HeRo compressorIn: Conference Proceedings of the 2nd European sCO2 Conference 2018 / 2nd European sCO2 Conference 2018, 30-31 August 2018, Essen, Germany 2018, S. 50 - 59Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Scaling considerations for the application of the sCO2-HeRo system in nuclear power plantsIn: Conference Proceedings of the 2nd European sCO2 Conference 2018 / 2nd European sCO2 Conference 2018, 30-31 August 2018, Essen, Germany 2018, S. 60 - 68Online Volltext: dx.doi.org/ Online Volltext (Open Access)
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Thermodynamic modelling aspects of wet compression in radial compressorsIn: Proceedings of the ASME Turbo Expo: Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy / ASME Turbo Expo 2018, Oslo, Norway, June 11–15, 2018 2018, S. V009T27A024Online Volltext: dx.doi.org/
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Turbomachine design for supercritical carbon dioxide within the SCO₂-hero.EU projectIn: ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition / GT 2018; Oslo; Norway; 11 - 15 June 2018 Jg. 9 2018Online Volltext: dx.doi.org/
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Cycle calculations of a small-scale heat removal system with supercritical CO2 as working fluidIn: Proceedings of the 25th International Conference on Nuclear Engineering - 2017: Vol. 3: Nuclear fuel and material, reactor physics and transport theory; innovative nuclear power plant design and new technology application / 25th International Conference on Nuclear Engineering, Shanghai, China, July 2–6, 2017 2017, S. V003T13A001Online Volltext: dx.doi.org/
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Identification of coupled natural frequencies in a rotor-stator test-rig for different gas propertiesIn: 12th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics / 12th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT12, April 3-7, 2017, Stockholm, Sweden / European Turbomachinery Society (Hrsg.) 2017 ETC2017-057Online Volltext: dx.doi.org/ (Open Access)
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Introduction of an integrated turbo-electrical machineIn: Proceedings of the ASME Turbo Expo: Vol. 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines / ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Charlotte, North Carolina, USA, June 26–30, 2017 2017, S. V008T26A008Online Volltext: dx.doi.org/
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Investigation on the Influence of Surface Roughness on the Moment Coefficient in a Rotor-Stator Cavity With Centripetal Through-FlowIn: Proceedings of the ASME Fluids Engineering Division Summer Meeting - 2017: Volume 1A, Symposia / ASME Fluids Engineering Division Summer Meeting, July 30-August 3, 2017, Waikoloa, Hawaii, USA 2017, S. V01AT03A001Online Volltext: dx.doi.org/
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Investigation on the flow in a rotor-stator cavity with centripetal through-flowIn: 12th European Conference on Turbomachinery Fluid Dynamics & Thermodynamics / 12th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT12, April 3-7, 2017, Stockholm, Sweden / European Turbomachinery Society (Hrsg.) 2017 ETC2017-097
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Investigation on thrust and moment coefficients of a centrifugal turbomachineIn: Open Archives of the 17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery / ISROMAC 2017; Maui; United States; 16 - 21 December 2017 2017
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PDA measurements in spray generated by twin-jet-nozzlesIn: Proceedings of the ASME Fluids Engineering Division Summer Meeting - 2017: Volume 1B, Symposia / ASME Fluids Engineering Division Summer Meeting, Waikoloa, Hawaii, USA, July 30–August 3, 2017 2017, S. V01BT06A001Online Volltext: dx.doi.org/
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Raising Nuclear Reactor Safety to a Higher Level : The Supercritical CO2 Heat Removal System - "sCO2-HeRo"In: NENE 2017: Conference Proceedings / 26th International Conference Nuclear Energy for New Europe (NENE), September 11-14, 2017, Bled, Slovenia / Cizelj, Leon; Holler, Tadej (Hrsg.) 2017, S. 405.1 - 405.8
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A supercritical CO2 low temperature Brayton-cycle for residual heat removalIn: 5th International sCO2 Power Cycles Symposium: Proceedings / The 5th International Symposium - Supercritical CO2 Power Cycles, 28-31 März 2016, San Antonio, Texas 2016
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An educational laboratory with a remote controlled centrifugal pump test rigIn: Proceedings of the ASME Fluids Engineering Division summer meeting: Volume 2, Fora: Advances in Fluids Engineering Education; Cavitation and Multiphase Flow; Fluid Measurements and Instrumentation / Proceedings of the ASME Fluids Engineering Division summer meeting; FEDSM2016; July 10-14,21016, Washington, DC, USA 2016, S. V002T01A002Online Volltext: dx.doi.org/
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Comparison of different numerical approaches for determination of compressible fluid flow in narrow gapsIn: Proceedings of the ASME Turbo Expo: Turbine Technical Conference and Exposition - 2016: Volume 2C: Turbomachinery / ASME Turbo Expo; June 13-17, 2016; Seoul, South Korea 2016 GT2016-57898Online Volltext: dx.doi.org/
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Investigation on Flow Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid Structure Interaction EffectsIn: ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition: Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines / ASME Turbo Expo 2016, 13.-17. Juni 2016, Seoul, South Korea 2016 GT2016-56314Online Volltext: dx.doi.org/
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Parametric study of a novel groove design for dry gas sealsIn: Proceedings of the 12th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics / HEFAT 2016; 11 to 13 July 2016; Malaga, Spain 2016, S. 108 - 114
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Reliability of condensation models for droplet deposition calculation in radial turbines
Wet Steam Conference, 2016,In: Wet Steam Conference Prague: Proceedings / Wet Steam Conference Prague : 12-14 September 2016 / Kolovratník, Michal (Hrsg.) 2016 -
Reliability of condensation models for droplet deposition calculations in radial turbinesIn: Wet Stream Conference: 12-14 September 2016 : proceedings / Wet Steam Conference Prague, 12-14 September 2016, Prague, Czech Republic / Kolovratník, Michal; Ondřej, Bartoš (Hrsg.) 2016, S. 78 - 89
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Small scale sCO2 compressor impeller design considering real fluid conditionsIn: The 5th International Symposium - Supercritical CO2 Power Cycles / The 5th International Symposium - Supercritical CO2 Power Cycles, March 28- 31, 2016, San Antonio, Texas 2016
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Experimental and Numerical Determination of Pressure and Velocity Distribution Inside a Rotor-Stator Cavity at Very High Circumferential Reynolds NumbersIn: 11th European Conference on Turbomachinery Fluid dynamics & Thermodynamics / 11th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT11, March 23-27, 2015, Madrid, Spain / European Turbomachinery Society (Hrsg.) 2015 ETC2015-097Online Volltext (Open Access)
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Improving the Design of Steam Turbine Inlet Valves by Numerical Methods for Enhanced Part Load OperationIn: 11th European Conference on Turbomachinery Fluid dynamics & Thermodynamics / 11th European Conference on Turbomachinery Fluid dynamics & Thermodynamics, ECT11, March 23-27, 2015, Madrid, Spain / European Turbomachinery Society (Hrsg.) 2015 ETC2015-107Online Volltext (Open Access)
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Numerical Investigation on the Vibration of Steam Turbine Inlet Valves and the Feedback to the Dynamic Flow FieldIn: Proceedings of the ASME Turbo Expo 2015: Power for Land, Sea, and Air: Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines / ASME Turbo Expo: Turbine Technical Conference and Exposition ; Montreal, Quebec; 2015.06.15-19 2015 GT2015-42182Online Volltext: dx.doi.org/
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Investigations of a Pre-Swirl Cooling Air Flow System with Data Acquisition in the Absolute and Relative Frame of ReferenceIn: Proceedings of the WSEAS international conferences: 5th IASME/WSEAS International Conference on Heat Transfer, Thermal Engineering and Environment (HTE '07), 5th IASME/WSEAS International Conference on Fluid Mechanics and Aerodynamics (FMA '07) / IASME/WSEAS International Conference on Heat Transfer, Thermal Engineering and Environment ; 5 (Vouliagmeni, Athens) : 2007.08.25-27 2007
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Computational Analysis of Flow and Heat Transfer in a Direct-Transfer Pre-swirl SystemIn: 6th European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics: Conference Proceedings / European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics, 7-11 March 2005, Lille, France 2005
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Simulation of Flow in Gas Turbine Pre-swirl Systems with Emphasis on Rotor-Stator Interface TreatmentIn: Proceedings of the 3rd WSEAS/IASME International Conferences / 3rd WSEAS/IASME, Heat transfer, thermal engineering & environment, fluid mechanics and aerodynamics, 20-22 August 2005, Corfu Island, Greece; Hassan, Ibrahim; Krope, Jurij 2005, S. 206 - 111
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Simulation of Flow in Pre-Swirl Systems with Emphasis on Rotor Stator TreatmentIn: Computational fluid and solid mechanics 2005: proceedings Third MIT Conference on Computational Fluid and Solid Mechanics June 14 - 17, 2005 / 3rd M.I.T Conference on Computational Fluid and Solid Mechanics, June 14-17, 2005, Massachusetts Institute of Technology, Boston, USA 2005
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Analysis of Dust Separation Inside a Pre-Swirl Cooling Air SystemIn: ISROMAC 10 : 2004 March 7 - 11, Honolulu, Oahu, Hawaii, USA: International Symposium on Transport Phenomena and Dynamics of Rotating Machinery / International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (10 : 2004 : Honolulu, Hawaii) / Bohn, Dieter (Hrsg.) 2004
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Dust Separation in a Gas Turbine Pre-Swirl Cooling Air System : A Parameter VariationIn: Proceedings of the ASME Turbo Expo 2004: Vol. 4 / ASME Turbo Expo 2004, June 14 - 17, 2004, Vienna, Austria 2004, S. 231 - 240Online Volltext: dx.doi.org/
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Investigation Into the Computational Analysis of Direct-Transfer Pre-Swirl Systems for Gas Turbine CoolingIn: Proceedings of the ASME Turbo Expo 2004: presented at the 2004 ASME Turbo Expo, June 14 - 17, 2004, Vienna, Austria / ASME Turbo Expo 2004; 2004; Vienna 2004 Paper No. GT2004-54151, pp. 453-460Online Volltext: dx.doi.org/
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Application of Conjugate CFD to the Internal Cooling Air Flow System of Gas TurbinesIn: Proceedings of the ASME Turbo Expo 2003: Volume 5: Turbo Expo 2003, Parts A and B / ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference, Atlanta, Georgia, USA, June 16–19, 2003 2003, S. 1051 - 1060Online Volltext: dx.doi.org/
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Experimental and Numerical Analysis of the Flow Structure and Dust Separation Inside a Pre-Swirl Cooling Air SystemIn: Proceedings of the 4th ASME/JSME Joint Fluids Engineering Conference: Vol. 2: Symposia, Parts A, B, and C / ASME/JSME Joint Fluids Engineering Conference, July 6 - 10, 2003, Honolulu, Hawaii 2003, S. 577 - 582Online Volltext: dx.doi.org/
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Investigation of Internal Cooling Air Flow of Gas Turbines with Attention to Heat TransferIn: Proceedings of the 4th ASME/JSME Joint Fluids Engineering Conference: Vol. 2: Symposia, Parts A, B, and C / ASME/JSME Joint Fluids Engineering Conference, Honolulu, Hawaii, USA, July 6–10, 2003 2003, S. 627 - 632Online Volltext: dx.doi.org/
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Investigations of Dust Separation in the Internal Cooling Air System of Gas TurbinesIn: Proceedings of the ASME Turbo Expo 2003: Volume 5: Turbo Expo 2003, Parts A and B / ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference, Atlanta, Georgia, USA, June 16–19, 2003 2003, S. 985 - 992Online Volltext: dx.doi.org/
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Grundlagenuntersuchungen an rotierenden Ringräumen zur Optimierung des Sekundärluftsystems moderner GasturbinenIn: Gasturbinen in Praxis und Entwicklung: Fortschritte und Betriebserfahrungen ; Tagung Leverkusen, 12. und 13. November 2002 / Tagung "Gasturbinen in Praxis und Entwicklung", 12. und 13. November 2002, Leverkusen 2002, S. 85 - 94
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The Flow Structure in Rotating Hollow Shafts with Radial Inflow and Axial ThroughflowIn: ASME Turbo Expo 2001: Power for Land, Sea, and Air June 4–7, 2001 New Orleans, Louisiana, USA / ASME Turbo Expo 2001: Power for Land, Sea, and Air, June 4–7, 2001, New Orleans Jg. 3: Heat Transfer; Electric Power; Industrial and Cogeneration 2001 V003T01A077Online Volltext: dx.doi.org/
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Flow Losses in Rotating Passages in Secondary Air Systems of Gas TurbinesIn: Proceedings of the 8th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery (ISROMAC-8) / 8th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery: ISROMAC-8, 26-30 March 2000, Honolulu / Han, Je-Chin (Hrsg.) 2000
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Total Pressure Losses in Rotor Systems with Radial InflowIn: Proceedings of the ASME Turbo Expo 2020 / ASME Turbo Expo 2000: Power for Land, Sea, and Air, May 8–11, 2000, München Jg. 3: Heat Transfer, Electric Power, Industrial and Cogeneration 2000 V003T01A087Online Volltext: dx.doi.org/
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Calculation of Flow Losses in Rotating Passages of Gas Turbine Cooling SystemsIn: ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition: Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration Indianapolis, Indiana, USA, June 7–10, 1999 / ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition ; Indianapolis, Indiana, USA, June 7–10, 1999 1999 V003T01A069; 11 pagesOnline Volltext: dx.doi.org/
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Cooling Air Flow in a Multi Disc Industrial Gas Turbine RotorIn: ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition: Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration ; Stockholm, Sweden, June 2–5, 1998 / ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition ; Stockholm, Sweden, June 2–5, 1998 1998, S. V004T09A027Online Volltext: dx.doi.org/
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Loss Prediction for Rotating Passages in Secondary Air SystemsIn: ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition: Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration / ASME 1997 International Gas Turbine and Aeroengine Congress and Exhibition; Orlando, Florida, USA, June 2–5, 1997 1997 Paper No. 97-GT-215, pp. V003T09A041Online Volltext: dx.doi.org/
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Conference Proceedings of the 4th European sCO₂ Conference 2021
4th European sCO₂ Conference for Energy Systems, 23-24 March 2021, Online Conference,Duisburg, Essen (2021) 93 SeitenOnline Volltext: dx.doi.org/ Online Volltext (Open Access) -
Strömungsberechnung im Kühl- und Sperrluftsystem von Gasturbinen zur Optimierung des SekundärluftsystemsIn: Berichte aus der Strömungstechnik Aachen (2001) VI, 119 S. : Ill., graph. Darst.
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The potential of CO2-Plume Geothermal (CPG) Systems for CO2 component manufacturers : Opportunities and development needs
7th International Seminar on ORC Power Systems: 4 - 6 September 2023; Seville, Spain,Seville, Spain (2023) -
Lessons from testing the sCO2-HeRo turbo-compressor-system
7th International Supercritical CO2Power Cycles Symposium: March 31 – April 2, 2020, San Antonio, USA,San Antonio, USA (2020) -
Numerical investigation of Droplet dispersion in resting environment, cross flow and parallel flow
17th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2017, December 16-21, 2017, Maui, Hawaii, USA,Maui, Hawaii, USA (2017) -
Zweistrahldüsen – Genauigkeit der Bestimmung von Tropfendurchmessern mit Phasen-Doppler Anemometrie
1st Symposium on Turbomachinery Test Facilities, TTF 2017, 11. - 12.05.2017, Bochum, Deutschland,Bochum (2017) -
Investigation on Flow Induced Vibrations of a Steam Turbine Inlet Valve Considering Fluid Structure Interaction Effects
16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, ISROMAC 2016, 10. bis 15. April 2016, Honolulu, Hawaii, USA,(2016) -
Small scale sCO2 compressor impeller design considering real gas conditions
5th International sCO2 Power Cycles Symposium, San Antonio, Texas, USA, March 29–31, 2016,San Antonio, Texas (2016) -
The potential of interstage injection for axial compressors
16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery, Honolulu, Hawaii, USA, 10 -15 April 2016,Honolulu, Hawaii (2016) -
The supercritical CO2 heat removal system - sCO2-HeRo
1st European Seminar on Supercritical CO2 (sCO2) Power Systems 29.-30. September 2016 - Vienna - Austria,(2016) -
Modification of a steam valve diffuser for enhanced full load and part load operation using numerical methods
16th International Conference on Fluid Flow Technologies, entitled “Conference on Modelling Fluid Flow” (CMFF’15), 1. - 4. September 2015, Budapest, Hungary,Budapest (2015) -
Numerical Investigation of the Fluid and Structure Dynamics of a Steam Turbine Inlet Valve at Different Operation Conditions
Workshop on Safety and Control Valves; APRIL 8-9, 2015 - Brussels, Belgium,Brüssel (2015) -
Ten Years of Operating Experience with SGT5-4000F : Market-Driven Evolution of Gas Turbines and Plants
POWER-GEN Asia 2007 ; Bangkok - Thailand - from 4. - 6. 9. 2007,(2007) -
Experimental Data of Supercritical Carbon Dioxide (sCO2) Compressor at Various Fluid States - Supplementary Data(2021) 7.49 MBOnline Volltext: dx.doi.org/ Online Volltext (Open Access)