A numerical investigation of the effects of hydrogen addition on combustion instability inside a partially-premixed swirl combustor

J Nam, JJ Yoh - Applied Thermal Engineering, 2020 - Elsevier
Large eddy simulations (LES) of a hydrogen enriched partially premixed gas turbine
combustor are performed for various operating conditions for examining the fuel condition …

Effects of nitrogen dilution on the NOx and CO emission of H2/CO/CH4 syngases in a partially-premixed gas turbine model combustor

IB Lee, IS Woo, MC Lee - International journal of hydrogen energy, 2016 - Elsevier
In this study, the nitrogen dilution effect in H 2/CO/CH 4 syngas flames on the characteristics
of NO x and CO emissions were investigated in a partially premixed gas turbine model …

Effect of the fuel-air flow velocity on heat release rate of swirling non-premixed methane flames

K Wang, F Li, P Zou, X Lin, R Mao, X Yu - Aerospace Science and …, 2019 - Elsevier
A laboratory-scale gas turbine model combustor fueled with methane is studied
experimentally with the aid of three-dimensional computed tomography of …

Characterizing combustion instability in non-premixed methane combustion using internal flue gas recirculation

J Cheng, B Liu, T Zhu - Applied Energy, 2024 - Elsevier
Combustion instability (CI) has been widely reported and studied in lean premixed
combustion (LPM), however, there is limited information on the instability aspects in non …

Predicting instability frequency and amplitude using artificial neural network in a partially premixed combustor

S Kwak, J Choi, MC Lee, Y Yoon - Energy, 2021 - Elsevier
In this study, the frequency and amplitude of combustion instability were predicted using an
artificial neural network (ANN). Experimental data, obtained from a CH 4-fueled partially …

Acoustic transfer function of a combustion system with premixing chamber

MG Yoon, D Kim - Journal of Mechanical Science and Technology, 2017 - Springer
In this study we develop an analytic thermoacoustic model of a combustor for gas turbines.
The combustor under consideration is composed of a premixing chamber, a nozzle, and a …

Effects of fuel/air mixing distances on combustion instabilities in non-premixed combustion

J Cheng, B Liu, T Zhu - Physics of Fluids, 2024 - pubs.aip.org
Combustion instability has been widely reported in several combustion types; however,
there is limited information on different fuel/air mixing distances in non-premixed …

Combustion instability analysis of partially premixed model gas turbine combustor with 1D lumped method

J Kim, J Yoon, S Joo, S Kim, CH Sohn… - Journal of the Korean …, 2017 - koreascience.kr
Combustion instability analysis of partially premixed model gas turbine combustor was
conducted with 1D lumped method. Flame Transfer Function (FTF) was obtained with …

A novel diagnostic method based on filter bank theory for fast and accurate detection of thermoacoustic instability

S Joo, J Choi, N Kim, MC Lee - Scientific Reports, 2021 - nature.com
This study proposes and analyzes a novel methodology that can effectively detect multi-
mode combustion instability (CI) in a gas turbine combustor. The experiment is conducted in …

Influence of Hydrogen in Fuel Gas on the Processes in Gas Turbine Combustion Chambers

LA Bulysova, VD Vasiliev, KS Pugach - Power Technology and …, 2023 - Springer
This paper presents a review of studies on the effect of hydrogen in fuel gas on the
processes occurring in low-emission combustion chambers (LECC) of gas turbine electric …