Chemical kinetic analysis to study the potential of fuel staging in reducing the emissions from NH3/CH4-air combustion at different pressures

Y Vijrumbana, AS Singh, BJ Lee, VM Reddy - Fuel, 2023 - Elsevier
The combustion characteristics of ammonia/methane blends to enhance the reactivity of
ammonia are investigated successfully for carbon–neutral energy applications. However …

Scaling-effect of explosion in H2/CH4/air mixtures

Y Cui, C Wang, D Chen, C Qian, B Qiao - International Journal of Hydrogen …, 2022 - Elsevier
The scaling-effect of mixture explosion is an unresolved issue in explosion science. In this
work, we carry out experimental measurements of explosion characteristics using …

Experimental and computational (Chemical Kinetic+ CFD) analyses of Self-Recuperative annular tubular porous burner for NH3/CH4-air Non-Premixed combustion

AS Singh, Y Vijrumbana, VM Reddy - Chemical Engineering Journal, 2024 - Elsevier
Ammonia is now being explored as a potential gas turbine fuel because of its renewable
and carbon-free nature. Ammonia combustion possesses various limitations, such as high …

Numerical analysis on influence of hydrogen peroxide (H2O2) addition on the combustion and emissions characteristics of NH3/CH4-air (O2/N2)/H2O2 mixture

AS Singh, AGA Jameel, SK Dash, VM Reddy - International Journal of …, 2022 - Elsevier
In this work, extensive chemical kinetic modeling is performed to analyze the combustion
and emissions characteristics of premixed NH 3/CH 4–O 2/N 2/H 2 O 2 mixtures at different …

Experimental and numerical investigation on ultra-high intensity premixed LPG-air combustion in a novel porous stack burner

D Sharma, BJ Lee, SK Dash, VM Reddy - Energy, 2023 - Elsevier
In the present study, the experimental and numerical investigations are conducted to study
the flame stabilization of premixed LPG/air mixtures in a zirconia-based stack porous media …

Experimental and numerical study on flow/flame interactions and pollutant emissions of premixed methane-air flames with enhanced lean blowout hydrogen injection

MA Nemitallah, A Abdelhalim, A Abdelhafez… - International Journal of …, 2024 - Elsevier
This study investigates experimentally and numerically the stability, combustion, and
emissions characteristics of premixed swirl-stabilized methane/air flames with enhanced …

Laminar Combustion Characteristics of Spherically Propagating Ethyl Methyl Carbonate Flames

S Zhang, L Zheng, J Wang, X Shao, X Wang… - Energy & …, 2024 - ACS Publications
The laminar combustion characteristics of ethyl methyl carbonate flames were investigated
at initial pressures of 70–130 kPa, equivalence ratios of 0.6–1.4, and an initial temperature …

Modified Reacting Solver: A Simplified Approach for Capturing the Molecular and Flow Diffusivities for the Nonpremixed MILD Flames

M Srinivasarao, BJ Lee, VM Reddy - ACS omega, 2024 - ACS Publications
The present study investigates the applicability of the inlet boundary species Lewis number
(combined effect of molecular and flow diffusion) for the nonpremixed moderate and intense …

Influence of jet velocity and heat recuperation on the flame stabilization in a non-premixed mesoscale combustor: An exergetic approach

D Sharma, S Garnayak, A Bandopadhyay, SK Dash… - Physics of …, 2023 - pubs.aip.org
An experimental and numerical model to determine the exergy balance based on flow
availability and availability transfer in the process of liquefied petroleum gas (LPG)/air …

Effect of Intermediate Radicals on NOx and De‐NOx Characteristics of NH3/H2/Air Flames at High Pressure

AS Singh, D Sharma, SK Dash… - Chemical Engineering …, 2023 - Wiley Online Library
The effect of NH, NH2, and HNO on NOx and De‐NOx chemistry of a NH3/H2/air mixture at a
pressure of 20 bar is investigated. Results suggest that the increase in pressure reduces …