The Priority Program of the SPP1980 is divided into the following three thematic blocks:

• Theory and simulation (molecular interaction, reaction, particle interaction, interactions with the (turbulent) flow)
• In situ measurement technology (spray, particles, gas-phase concentrations and temperatures, velocities)
• Processes (spray, burners, gas mixing)

Theory and simulation

• Molecular interaction of precursor and solvent
• Chemical reaction: Decomposition kinetics of solution-based precursor systems, reaction mechanisms of precursors and mechanistic description of the interaction of precursor- and flame chemistry, competition with soot formation
• Interaction in turbulent reactive multiphase flows: Spray combustion of complex solutions, reactive turbulent multiphase flows
• Particle dynamics: Homogeneous particle formation, growth, and interaction

In situ diagnostics

• Liquid phase: Droplet sizes, velocities, temperature, and vaporization, reactions and phase transformation within the droplets
• Gas phase: Velocities, temperature distribution and concentration distribution of selected species; time- and spatially-resolved (LIF, Raman), species concentrations of exotic species; line-of-sight integrated (FTIR), process measurement technology (TDLAS)
• Particle phase: Particle size, particle volume fraction, phase composition, surface layers, morphology; angle-resolved light scattering, Raman scattering, laser-induced incandescence, X-ray small angle scattering

Processes

• Spray: Spray atomization, precursor feed, pulsed feed
• Burner: Compactness of the flame, suppressing/generating fluctuations, modification of the temperature field, influence of the fuel, modifying the temperature distribution, carbon-free fuels
• Alternative energy intake: Plasma support, non-carbonaceous fuels and solvent
• Media pathways: Nozzle concepts, mixing concepts, feeding and conveying concepts

Not part of the work program are:

• Generation of carbon particles (unless soot occurs as an impurity in combination
  with the formation of non-carbon particles)
• Modification of the particle morphology downstream of the spray-flame synthesis
• Consideration of isolated individual processes without integration into the overall concept