This paper investigates the dynamic response of flames, considering H 2-enriched CH 4
fuels that are submitted to upstream mechanical perturbations in a model gas turbine …

This study primarily aims to investigate the effects of fuel line length on the combustion
instability characteristics of a partially premixed system. The key characteristics of …

A finite-element method study was conducted on a laboratory-scale partially premixed
combustor, for investigating the characteristics of combustion instability due to fuel …

Thermoacoustic instabilities under lean operation in gas turbine burners hinder the
development of lean premixed combustion mode of operation, thus limiting the potential to …

An experimental and numerical investigation is conducted on the thermo-acoustic stability of
a bluff-body turbulent combustor, considering variations in airflow rate and fuel composition …

This paper discusses the combustion dynamic characteristics of hydrogen/methane flames
and the flame response to fuel flow fluctuation in a model lean-direct injection gas turbine …

Understanding the response of multi-jet turbulent hydrogen-air flames to acoustic forcing is
key for the development of future carbon-neutral gas turbine combustors. In this paper, we …

A bluff-body turbulent combustor is mapped for its thermo-acoustic stability across variation
in airflow rate, nondimensionalized as the Reynolds number (Re) and fuel composition. The …

Abstract Knowledge of flame responses to acoustic perturbations is of utmost importance to
predict thermoacoustic instabilities in gas turbine combustors. However, measuring transfer …

We investigate the effect of increasing levels of hydrogen enrichment on the nonlinear
response and saturation of premixed bluff-body stabilized methane/hydrogen flames …