An open lean-premixed hydrogen/air low-swirl (LPHALS) turbulent flame exhibiting a
pronounced peak in its combustion noise spectra, is investigated numerically using a hybrid …

A large-eddy simulation (LES) of a next-generation combustor is performed to examine
effects of this combustor concepts on direct and indirect combustion noise characteristics …

Composition noise has recently received increasing attention for its potential to contribute
significantly to the indirect noise mechanism. In this study, the importance and definition of …

Predictive high-fidelity simulations of turbulent spray combustion must capture the combined
effects of complex chemistry, multiphase evaporating flow and spray-flame interactions to …

Combustion noise from a realistic gas-turbine combustor geometry is investigated
parametrically using a hybrid simulation framework that combines large-eddy simulation and …

View Video Presentation: https://doi. org/10.2514/6.2023-3940. vid Composition noise has
recently received increasing attention for its potential to contribute significantly to the indirect …

A new definition of entropy fluctuation is provided in this paper, that allows properly
separating entropy and mixture composition fluctuations. This decomposition into linearly …

Mid-term climate neutrality cornerstone policies by international governments and
institutions target a climate-neutral aviation system by 2050. In this context, sustainable …

Civil aircraft will continue to transport people for decades to come. However, aircraft noise is
a major issue because it adversely impacts humans' physical and psychological health …

The lean blow-out performance of an engine and the ability to re-ignite the flame, especially
at high-altitude conditions, are important aspects for the safe operability of airplanes. The …