Update regarding ASME Turbo Expo 2023 in Boston

2023/12/01 by

STFS researchers Hanna Reinhardt and Philipp Koob presented recent findings of our aero-engines group at the ASME Turbo Expo 2023 in Boston.

Hanna Reinhardt et al. presented their work on the “Simulation of the thermoacoustic response of an aero-engine gas turbine fuel injector using a hybrid CFD-CAA method” DOI.

It could demonstrate that the research at STFS toward novel numerical methods for predictive investigations combustion instabilities in real aero-engine combustors can provide points of comparison to experimental measurement results.

This applied approach couples dedicated Computational Fluid Dynamics (CFD) and Computational Aeroacoustics (CAA) solvers during runtime to reproduce a thermoacoustic feedback cycle at lower cost compared to conventional methods.

Due to the close collaboration with the industry partner Rolls-Royce Deutschland, experimentally obtained reference data could be used for validation.

Philipp Koob et al. presented their work on “Large Eddy Simulation of soot formation in a real aero-engine combustor using tabulated chemistry and a quadrature-based method of moments” DOI.

In this work the combustion chamber of the Rolls-Royce BR710 engine was simulated at four different realistic operating condition. Soot formation and evolution was modelled using the recently developed split-based extended quadrature-based method of moments (S-EQMOM), which allows for an accurate and detailed reconstruction of the soot particle size distribution in the combustion chamber at comparably low cost. An evaluation of the soot emissions at the exit of the combustion chamber showed good agreement with measurement data from the engine certification for all operating conditions.