Black carbon particulate matter emission factors for buoyancy-driven associated gas flares

JDN McEwen, MR Johnson - Journal of the Air & Waste …, 2012 - Taylor & Francis
Flaring is a technique used extensively in the oil and gas industry to burn unwanted
flammable gases. Oxidation of the gas can preclude emissions of methane (a potent …

Stratified jet flames in a heated (1390 K) air cross-flow with autoignition

DJ Micka, JF Driscoll - Combustion and Flame, 2012 - Elsevier
Measurements are reported of the heat release profiles, the flame lengths, flame structure
and other properties of a reacting jet-in-cross-flow (JICF) for two fuels. The air was heated to …

Methane destruction efficiency of natural gas flares associated with shale formation wells

DR Caulton, PB Shepson… - … science & technology, 2014 - ACS Publications
Flaring to dispose of natural gas has increased in the United States and is typically assumed
to be 98% efficient, accounting for both incomplete combustion and venting during …

A fuel stripping mechanism for wake-stabilized jet diffusion flames in crossflow

MR Johnson, DJ Wilson, LW Kostiuk - Combustion Science and …, 2001 - Taylor & Francis
Experiments were conducted to reveal the origins of measured inefficiencies in low-
momentum jet diffusion flames in crossflow. Natural gas flames were established at the exit …

A parametric model for the efficiency of a flare in crosswind

MR Johnson, LW Kostiuk - Proceedings of the Combustion Institute, 2002 - Elsevier
Despite the prevalence of gas flares used throughout the world, there are limited data to
address concerns over their efficiencies and emissions. This paper has two main objectives …

Blow-out limits of nonpremixed turbulent jet flames in a cross flow at atmospheric and sub-atmospheric pressures

Q Wang, L Hu, SH Yoon, S Lu, M Delichatsios… - Combustion and …, 2015 - Elsevier
The blow-out limits of nonpremixed turbulent jet flames in cross flows were studied,
especially concerning the effect of ambient pressure, by conducting experiments at …

Structure of hydrogen-rich transverse jets in a vitiated turbulent flow

S Lyra, B Wilde, H Kolla, JM Seitzman, TC Lieuwen… - Combustion and …, 2015 - Elsevier
This paper reports the results of a joint experimental and numerical study of the flow
characteristics and flame structure of a hydrogen rich jet injected normal to a turbulent …

A scramjet engine model including effects of precombustion shocks and dissociation

S Torrez, N Scholten, D Micka, J Driscoll… - 44th AIAA/ASME/SAE …, 2008 - arc.aiaa.org
A= engine duct area p= static pressure Greek symbols cp= heat capacity p0= stagnation
pressure α= vehicle angle of attack Cf= friction coefficient Pr= Prandtl number β= bow shock …

LES of the combustion efficiency of wake stabilized methane jet flames in crossflow

L Gaipl, T Jaravel, Q Douasbin, T Poinsot - Combustion and Flame, 2025 - Elsevier
Three-dimensional simulations are performed for the experiment of Johnson and Kostiuk
(2002) to study the methane leakage characteristics leading to inefficient combustion. Large …

Flame characteristics of backward-inclined pulsating combusting jet in crossflow

R Selvaraju, RF Huang, CM Hsu - International Journal of Mechanical …, 2023 - Elsevier
The flame appearances, thermal characteristics, and combustion product concentrations of a
backward-inclined pulsating combusting jet in crossflow were experimentally studied. The …