Effect of oxygen enrichment of Biogas-Hydrogen mixtures in a premixed combustor on the combustion instability and emissions

B Alabaş, G Tunç, M Taştan, İ Yilmaz - Fuel, 2023 - Elsevier
The effect of enrichment of a low calorific (50% CH 4-50% CO 2) biogas mixture with
hydrogen and oxygen has been investigated on combustion stability and exhaust emissions …

Effect of biogas addition on combustion instability of propane flame at different external acoustic enforcement frequencies

B Alabaş - Fuel, 2022 - Elsevier
In this study, the effect of biogas addition to propane flame on combustion instability and
luminous intensity was investigated. A premixed and swirl assisted burner was used in the …

[HTML][HTML] N2 and Ar dilution on the premixed biogas jet flame under external acoustic enforcement

B Alabaş, İ Yılmaz, Y Çam - Propulsion and Power Research, 2023 - Elsevier
In this study, combustion instabilities and flue gas emission changes under different dilutions
of N 2 (nitrogen) and Ar (argon) of a promising biogas mixture (70% CH 4-30% CO 2) in the …

Effects of different preheated CO2/O2 jet in cross-flow on combustion instability and emissions in a lean-premixed combustor

C Tao, H Zhou - Journal of the Energy Institute, 2020 - Elsevier
To reveal the suppression mechanism of thermoacoustic instability flames under CO 2/O 2
jet in cross flow. Experiments on the effects of different preheated CO 2/O 2 jet in cross-flow …

Time Series and Spectral Analysis of Thermoacoustic Oscillations for Propane-Oxyfuel Combustion in a Swirl-Stabilized, Nonpremixed Combustor

Q Talal, Z Abubakar, MR Shakeel, MS AlSwat… - ACS …, 2023 - ACS Publications
In this study, the time series data for sound pressure and heat release fluctuations were
analyzed to establish the stability window of the propane-oxyflames under different …

Numerical analysis supported with experimental measurements of premixed oxy‐propane flames in a fuel‐flex gas turbine combustor

MA Nemitallah, MA Haque… - … Journal of Energy …, 2021 - Wiley Online Library
The combustion, exhaust‐gas concentrations, and stability characteristics of premixed CO2‐
diluted oxy‐propane (C3H8/O2/CO2) flames were investigated computationally using large …

Analysis of methane, propane, and syngas oxy‐flames in a fuel‐flex gas turbine combustor for carbon capture

MDA Haque, MA Nemitallah… - … Journal of Energy …, 2022 - Wiley Online Library
Premixed oxy‐combustion flames of methane, syngas (CH4: CO: H2 with the molar ratio of
2: 1: 1), and propane in CO2‐diluted environment (for carbon capture) are examined in a …

Operability of a premixed combustor holding hydrogen‐enriched oxy‐methane flames: An experimental and numerical study

B Imteyaz, M Habib, M Nemitallah… - … Journal of Energy …, 2021 - Wiley Online Library
This work presents a detailed investigation on the stability, flame macrostructure and
combustion characteristics of oxy‐methane/hydrogen (H2 CH4 O2 CO2) flames in a …

Effects of Tabular Stratified CO2/O2 Jets on Dynamic and NOx Emission Characteristics of a Model Gas Turbine Combustor

C Tao, H Zhou - Journal of Thermal Science, 2021 - Springer
The effects of tabular stratified CO 2/O 2 jet in cross flow on thermoacoustic instability and
NO x emission were experimentally studied. To explore the dependence of injection …

Applications of Fuel/Oxidizer-Flexible Premixed Combustion in Gas Turbines

MA Nemitallah, MA Habib, A Abdelhafez - Hydrogen for Clean Energy …, 2024 - Springer
Manufacturers of gas turbines have modified their combustion systems to usage of lean
premixed combustion (LPM) somewhat different from the more traditional non-premixed …