Experimental and numerical investigation of two flame stabilization regimes observed in a dual swirl H2-air coaxial injector

A Aniello, D Laera, S Marragou, H Magnes, L Selle… - Combustion and …, 2023 - Elsevier
This study investigates H 2-air flames obtained with a laboratory scale coaxial dual-swirl
injector in which fuel and oxidizer are injected separately. Two flame archetypes are …

Conjugate heat transfer characteristics of effusion cooling under realistic swirl flow in a three-sector gas turbine model combustor

Y Ji, B Ge, S Zang - Applied Thermal Engineering, 2022 - Elsevier
Conjugate heat transfer characteristics of the effusion cooling applied on the swirl-stabilized
combustor liner is experimentally and numerically investigated in a three-nozzle gas turbine …

Dynamic characterization of wall temperature in LOX/CH4 rocket engine operating conditions using phosphor thermometry

V Lechner, C Betrancourt, P Scouflaire, L Vingert… - Proceedings of the …, 2023 - Elsevier
Accurate surface temperature prediction is essential for the lifetime and efficiency of a rocket
engine. The new ambition of future reusable engines requires perfect knowledge of the …

Characteristics of oxyfuel combustion in lean-premixed multihole burners

M Aliyu, A Abdelhafez, SAM Said, MA Habib… - Energy & …, 2019 - ACS Publications
This paper presents the results of an experimental investigation of combustion
characteristics of nonswirl CH4/CO2/O2 flames under atmospheric pressure in a lean …

Full spectrum fitting method: a new approach for instantaneous phosphor thermometry in harsh environments

V Lechner, C Betrancourt, C Mirat, P Scouflaire… - Experiments in …, 2022 - Springer
This paper proposes a new approach for the post-treatment of Laser Induced
Phosphorescence (LIP) signals for instantaneous surface temperature measurements. LIP is …

The effect of rectangular confinement aspect ratio on the flame transfer function of a turbulent swirling flame

A Ånestad, B Ahn, HT Nygård… - … of Engineering for …, 2023 - asmedigitalcollection.asme.org
The flame transfer function (FTF) has been experimentally investigated for a premixed,
turbulent and highly swirled flame in rectangular enclosures with varying aspect ratio. A …

Applying an in-situ calibration method of spectral line shape to determine flame temperature of methane and ethylene spherically expanding flames

X Liu, S Huang, G Wang, H Xiong, F Qi - Combustion and Flame, 2022 - Elsevier
Spectral line shape caused by the collision between probing molecules and surrounding
species is an important parameter that affects the accuracy of combustion diagnostics. Here …

Experimental and numerical assessment of H2 combustion potential: extreme events in laminar premixed burners and flame stability in non-premixed swirled injectors

A Aniello - 2023 - theses.hal.science
Recent years have witnessed a raising alarm for climate change and predicted a potential
lack of energy supply for the next future. In this respect, the combustion community is looking …

Experimental Investigation on Combustion and Emission Characteristics of Wheat Before and After Mildew

J Wang, H Yu, W Cai, W Chen, L Cheng… - Combustion Science …, 2022 - Taylor & Francis
Biomass Fuel (BF) is a new clean fuel which widely used as an alternative to fossil fuel. In
this work, moldy wheat (MW) and normal wheat (NW) are investigated to analyze the …

Mitigating combustion instability and NOx emissions with annular oxyfuel jets into the flame shear layer region

C Tao, H Zhou - Asia‐Pacific Journal of Chemical Engineering, 2021 - Wiley Online Library
The shear layer is a region between the internal and external recirculating zone of the flame,
which is critical for combustion stabilization and emission. This study experimentally studied …