A review of cavity-based trapped vortex, ultra-compact, high-g, inter-turbine combustors

D Zhao, E Gutmark, P de Goey - Progress in Energy and Combustion …, 2018 - Elsevier
Trapped vortex combustor (TVC) is different from conventional swirl-stabilized combustors. It
takes advantages of a cavity to stabilize the flame. When the cavity size of a TVC is well …

Assessment of a hydrogen-fueled swirling trapped-vortex combustor using large-eddy simulation

R Sharifzadeh, A Afshari - Fuel, 2024 - Elsevier
In recent years, the study of hydrogen combustion has gained significant interest due to its
exceptional lean blow-out (LBO) performance, high efficiencies, and almost negligible …

Combustion flow in different advanced vortex combustors with/without vortex generator

Z Zeng, P Du, Z Wang, K Li - Aerospace Science and Technology, 2019 - Elsevier
Numerical calculation has been performed to analyze the combustion flow in different
advanced vortex combustors. For the rear blunt body, when slot size is 2 mm and half open …

Assessment of MILD combustion in co/counter-swirl configuration using syngas as a fuel

A Dolai, RV Ravikrishna - International Journal of Hydrogen Energy, 2024 - Elsevier
Moderate or intense low oxygen dilution (MILD) combustion is investigated in a co/counter-
swirl using OH∗-chemiluminescence, species measurements, OH planar laser-induced …

Effect of N2 dilution and preheat temperature on combustion dynamics of syngas in a reverse-flow combustor

S Pramanik, RV Ravikrishna - Experimental Thermal and Fluid Science, 2020 - Elsevier
The present study investigates the combustion dynamics of low-calorific value syngas in the
reverse-flow configuration at P= 1 atm using OH* chemiluminescence (5 kHz), noise (50 …

Experimental study of swirl-stabilized turbulent premixed and stratified LPG/air flames using optical diagnostics

D Sellan, S Balusamy - Experimental Thermal and Fluid Science, 2021 - Elsevier
Experiments are carried out to investigate the effects of mixture stratification, velocity ratio,
and swirl on the LPG/air flame structures using a swirl-stabilized axisymmetric burner …

Detached Eddy Simulation of syngas combustion in a reverse-flow configuration

S Pramanik, RV Ravikrishna - International Journal of Hydrogen Energy, 2020 - Elsevier
The combustion of low calorific value syngas in a 3.3-kW reverse-flow chamber under
moderate or intense low-oxygen dilution (MILD)(global equivalence ratio Φ global= 0.89) …

Investigation of syngas combustion in a novel ultra-low emission 20-kW two-stage combustor

A Dolai, P Badhuk, RV Ravikrishna - Fuel, 2023 - Elsevier
Two-stage rich-catalytic lean-swirl combustion is investigated in a 20-kW combustor using
biomass-derived syngas as fuel. In the first stage, fuel-rich catalytic combustion of syngas (Ф …

Large eddy simulation of swirling flows in a non-reacting trapped-vortex combustor

R Sharifzadeh, A Afshari - Aerospace Science and Technology, 2022 - Elsevier
Numerical investigation of swirling flows in a trapped-vortex combustor (TVC) is carried out
using large eddy simulation (LES). A multi-block flow solver is employed to solve three …

Experimental investigation of flow field characteristics in a mixed-flow trapped vortex combustor

P Jiang, X He - Aerospace Science and Technology, 2020 - Elsevier
This paper describes an experimental investigation of flow field characteristics of a
conceptual trapped vortex combustor (TVC). It is the first time that the novel TVC is evaluated …