Flame dynamics and combustion instability induced by flow-flame interactions in a centrally-staged combustor

C Tao, C Zhang, X Xue, X Fan, J Gao, X Feng… - Aerospace Science and …, 2023 - Elsevier
This study mainly investigates the flame and flow characteristics under combustion instability
in a centrally-staged swirl spray combustor, using 5 kHz CH* chemiluminescence (CL) and …

Inlet temperature driven supercritical bifurcation of combustion instabilities in a lean premixed prevaporized combustor

X Han, D Laera, AS Morgans, Y Lin, C Zhang… - … Thermal and Fluid …, 2019 - Elsevier
The present article reports experimental observation and analyses of a supercritical
bifurcation of combustion instabilities triggered by the air inlet temperature (T a). The studies …

The effect of inlet boundaries on combustion instability in a pressure-elevated combustor

X Han, D Yang, J Wang, C Zhang - Aerospace Science and Technology, 2021 - Elsevier
The effect of inlet boundaries on combustion instabilities in a spray combustor is
investigated experimentally in this paper. The combustor is operated at pressure-elevated …

Combustion oscillation in gas turbine combustor for fuel mixture of hydrogen and natural gas

A Uemichi, I Kanetsuki… - Pressure Vessels …, 2017 - asmedigitalcollection.asme.org
Hydrogen as one of energy sources is attracting attentions because of CO2 free combustion
that can deaccelerate global warming. Recently, hydrogen enriched combustion technology …

Combustion instabilities in a lean premixed pre-vaporized combustor at high-pressure high-temperature

X Han, X Hui, C Zhang, Y Lin… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
Experimental results correlating combustion instability and staging ratio in a RP-3 fueled
lean premixed pre-vaporized (LPP) combustor is presented. All the experiments are …

Analytical study of low-frequency Helmholtz mode oscillation in a model combustor

M Zhang, Y Lin, W Tao - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
The “growl” mode combustion instability is one of the most destructive phenomenon
occurring in the lean burn aeroengine combustor at low power condition. This topic is widely …

Oscillating Frequencies Generated by Combustion Oscillation in a Combustor Tube Fueled by Natural Gas and a Hydrogen Mixture

A Uemichi, K Mitani… - Journal of …, 2022 - asmedigitalcollection.asme.org
From previous combustion oscillation experiments using a simulated gas turbine combustor,
oscillation frequencies around 350 Hz were measured in only natural gas-fired, and around …

Examination of oscillating frequencies generated by combustion oscillation considering temperature distribution in a combustor tube fueled by natural gas and …

A Uemichi, K Mitani… - Pressure Vessels …, 2020 - asmedigitalcollection.asme.org
A combustion oscillation experiment fueling a mixture of hydrogen and natural gas was
performed. The results showed oscillating frequencies of around 350 Hz in the case of the …

Combustion oscillation characteristics of hydrogen-rich fuel

A Uemichi, I Kanetsuki, S Kaneko - … and Control: Proceedings of the 4th …, 2019 - Springer
In this study, combustion oscillation characteristics of hydrogen-rich fuel were investigated.
The experimental results fueled by mixture of natural gas and hydrogen show that hydrogen …