Research of the TFD group focuses on thermoacoustic combustion instabilities. These impair the security and reliability of gas turbines and rocket motors as well as domestic or industrial burners. 
The use of carbon-neutral energy carriers such as H2 or NH3 introduces particular challenges with regard to flame stability. In order to analyse and control instabilities, fluid mechanics, acoustics and combustion science are combined in an interdisciplinary approach with methods of system identification and control theory. Intensive exchange with colleagues from research institutes in- and outside Europe furthers our efforts.

Website: Research at TFD
Contact: Prof. Dr. Wolfgang Polifke

The objective of the project is to determine and evaluate the thermo-acoustic properties of a combustor test rig. This is important for the comparison of current kerosene-based technologies with future hydrogen combustion concepts, particularly with regard to flame dynamics and thermo-acoustic stability.

The aim of the project is the numerical investigation of the flame dynamics of kerosene and hydrogen flames. For this purpose, high-resolution CFD methods are combined with system identification to estimate the frequency-dependent flame and entropy response to acoustic excitations. These data will be integrated into models of combustion chamber acoustics in order to analyse the thermo-acoustic stability. The results will be validated with numerical and experimental data.

In summary, the project provides a numerically/experimentally supported investigation of the thermo-acoustic stability of a combustion chamber for 100% hydrogen combustion. This supports the national hydrogen.

Type: LuFO VI
Funding: German Federal Ministry for Economic Affairs and Climate Action (BMWK)
Runtime: 01.04.2023 - 31.03.2027
Contact: Clément Mocquard