Effects of excess air and preheating on the flow pattern and efficiency of the radiative section of a fired heater

E Khodabandeh, M Pourramezan… - Applied Thermal …, 2016 - Elsevier
Since boilers and industrial furnaces are one of the largest consumers of fossil fuels,
optimization and retrofitting these facilities are of the most essential tasks which can be done …

Effects of the position of a bluff-body on the diffusion flames: A combined experimental and numerical study

Y Tong, X Liu, S Chen, Z Li, J Klingmann - Applied Thermal Engineering, 2018 - Elsevier
The effects of the position of a bluff-body on diffusion flame structures and flame instability
characteristics were investigated both experimentally and numerically. The flame pattern …

Effects of the bluff-body diameter on the flow-field characteristics of non-premixed turbulent highly-sooting flames

A Rowhani, ZW Sun, PR Medwell… - Combustion Science …, 2022 - Taylor & Francis
This paper presents a joint experimental and computational study of the effect of the bluff-
body diameter on the flow field and residence time distribution (RTD) in a set of turbulent …

Numerical simulation on combustion characteristics of methane/hydrogen blended fuel for non-premixed conical bluff body burner

J Xiao, Q Liu, S He, S Wang, Z Zhang - International Journal of Hydrogen …, 2024 - Elsevier
Blending hydrogen into methane impacts flame stability, morphology, and pollutant
emissions. This study, set against the backdrop of hydrogen-enriched natural gas …

[HTML][HTML] Combustion instability of pilot flame in a pilot bluff body stabilized combustor

X Fu, F Yang, Z Guo - Chinese Journal of Aeronautics, 2015 - Elsevier
Combustion instability of pilot flame has been investigated in a model pilot bluff body
stabilized combustor by running the pilot flame only. The primary objectives are to …

Experimental study on dynamics of a confined low swirl partially premixed methane-hydrogen-air flame

Y Tong, S Yu, X Liu, J Klingmann - International Journal of Hydrogen …, 2017 - Elsevier
The addition of hydrogen to swirl stabilized methane-air flame in gas turbine has gained
more and more attentions in recent years. In the current study, flame structures, flame …

Impact of blockage ratio on the stability of premixed n-butane-air swirl flames

V Raj, C Prathap - Physics of Fluids, 2024 - pubs.aip.org
This study explores the impact of blockage ratio on the stability of swirl (axial swirl generator
with S1. 5) stabilized turbulent premixed n-butane/air flames at 1 bar, 300 K, and ϕ= 1.4 and …

Experimental investigation of distance between v-gutters on flame stabilization and NOx emissions

DR Umyshev, AM Dostiyarov, AA Kibarin… - Thermal …, 2019 - doiserbia.nb.rs
Blow-off performance and NOx emissions of the propane and air mixture in a rectangular
combustion chamber with bluff bodies were investigated experimentally and numerically …

Flow and mixing characteristics of swirling double-concentric jets influenced by a control disc at low central jet Reynolds numbers

RF Huang, LM Duc, CM Hsu - International Journal of Heat and Fluid Flow, 2016 - Elsevier
The flow characteristics and mixing properties of the swirling double-concentric jets subject
to the influences of a control disk installed at a short distance above the primary disk were …

Experimental study on bluff-body stabilized premixed flame with a central air/fuel jet

Y Tong, S Chen, M Li, Z Li, J Klingmann - Energies, 2017 - mdpi.com
Bluff-body flame holders are commonly employed in many industrial applications. A bluff-
body is usually adopted to enhance the downstream mixing of the combustion products and …