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Open AccessJournal ArticleDOI

An investigation into the heat release and emissions from counterflow diffusion flames of methane/dimethyl ether/hydrogen blends in air

Atmadeep Bhattacharya, +1 more
- 13 Aug 2019 - 
- Vol. 44, Iss: 39, pp 22328-22346
TLDR
In this paper, the effects of blending dimethyl ether (DME) and hydrogen (H2) with methane (CH4) have been numerically studied in the context of counterflow diffusion flames, and a reaction mechanism consisting of 974 reaction steps among 146 species with updated thermodynamic and transport properties has been developed.
About: 
This article is published in International Journal of Hydrogen Energy.The article was published on 2019-08-13 and is currently open access. It has received 19 citations till now. The article focuses on the topics: Diffusion flame.

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Citations
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Wide range modeling study of dimethyl ether oxidation

William J. Pitz, +5 more
TL;DR: A detailed chemical kinetic model has been used to study dimethyl ether (DME) oxidation over a wide range of conditions, such as jet-stirred reactor (JSR) at I and 10 atm, 0.2 < 0 < 2.5, and 800 < T < 1300 K.
Journal ArticleDOI

Spray combustion and soot formation characteristics of the acetone-butanol-ethanol/diesel blends under diesel engine-relevant conditions

Zhengxin Xu, +4 more
- 15 Nov 2020 - 
TL;DR: In this article, the optical constant volume combustion chamber was used to record the chamber pressure, and measured the soot mass and distribution for ABE and diesel blends for pure diesel and ABE20.
Journal ArticleDOI

Numerical investigation of the effects of H2/CO/syngas additions on laminar premixed combustion characteristics of NH3/air flame

Zhiqiang Chen, +1 more
- 23 Mar 2021 - 
TL;DR: In this article, the laminar premixed combustion characteristics of NH3/air flame with various H2/CO/SYN addition loadings (0 − 40%) were investigated using chemical kinetics simulation.
Journal ArticleDOI

Numerical study on tri-fuel combustion: Ignition properties of hydrogen-enriched methane-diesel and methanol-diesel mixtures

Shervin Karimkashi, +4 more
- 07 Feb 2020 - 
TL;DR: In this article, the role of hydrogen as a TF mixture reactivity modulator is explored, and the conventional dual-fuel ignition phenomena, relevant to DF compression ignition (CI) engines, are extended and explored in tri-fuel (TF) context.
Journal ArticleDOI

NO emission from non-premixed MILD combustion of biogas-syngas mixtures in opposed jet configuration

Selsabil Boussetla, +2 more
- 29 Oct 2021 - 
TL;DR: In this article, the NO emission from MILD combustion of the mixture biogas-syngas is deeply elucidated, five NO routes were considered, specifically: thermal, prompt, NNH, N2O and reburning.
References
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Journal ArticleDOI

Human health effects of air pollution

Marilena Kampa, +1 more
- 01 Jan 2008 - 
TL;DR: Air pollution has both acute and chronic effects on human health, affecting a number of different systems and organs, and ranges from minor upper respiratory irritation to chronic respiratory and heart disease, lung cancer, acute respiratory infections in children and chronic bronchitis in adults.
Journal ArticleDOI

Formation of polycyclic aromatic hydrocarbons and their growth to soot—a review of chemical reaction pathways

Henning Richter, +1 more
- 01 Aug 2000 - 
TL;DR: In this paper, a general scheme of polycyclic aromatic hydrocarbons (PAH) formation and sequential growth of PAH by reactions with stable and radical species, including single-ring aromatics, other PAH and acetylene, is discussed.

PREMIX :A F ORTRAN Program for Modeling Steady Laminar One-Dimensional Premixed Flames

R. J. Kee, +4 more
TL;DR: In this paper, a Fortran computer program that computes species and temperature profiles in steady-state burner-stabilized and freely propagating laminar flames is described.
Journal ArticleDOI

Review and evaluation of hydrogen production methods for better sustainability

Ibrahim Dincer, +2 more
- 14 Sep 2015 - 
TL;DR: In this paper, the authors examined various potential methods of hydrogen production using renewable and non-renewable sources and comparatively assessed them for environmental impact, cost, energy efficiency and exergy efficiency.
Journal ArticleDOI

Reaction mechanism of soot formation in flames

Michael Frenklach
- 20 May 2002 - 
TL;DR: In this paper, chemical reactions and physical processes responsible for the formation of polycyclic aromatic hydrocarbons and soot in hydrocarbon flames are reviewed, focusing on major elements in the present understanding of the phenomena, clarification of concepts central to the present state of the art, and a summary of new results.
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Kinetic modeling study of hydrogen addition to premixed dimethyl ether-oxygen-argon flames

Jie Liu, +2 more
- 01 Dec 2011 - 

The role of dimethyl ether as substituent to ethylene on particulate formation in premixed and counter-flow diffusion flames

Mariano Sirignano, +2 more
- 15 Jun 2014 - 

Experimental and numerical study of CH4/CH3Cl/O2/N2 premixed flames under oxygen enrichment

S. S. Shin, +2 more
- 01 Nov 2006 - 

Laminar premixed and non-premixed flame investigation on the influence of dimethyl ether addition on n-heptane combustion

Julia Wullenkord, +6 more
- 01 Feb 2020 - 

Temperature dependence of the fuel mixing effect on soot precursor formation in ethylene-based diffusion flames

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- 01 May 2020 - 
Frequently Asked Questions (2)
Q1. What is the stoichiometric performance of the DUI mechanism?

Air and fuel stream temperatures are 300 K and global strain rate is 34 s-1.-2-10120.9 0.95 1 1.05 1.1R OP of NO (m o le/c c-s) ×1 06X/XTmax(a) 50% CH4/50% DMEN+OH=NO+H HNO+H=NO+H2 HNO+M=H+NO+M NO+T-CH2=HNCO+H NO+CH=HCN+OFig. S6. 

-1-0.500.510.8 0.9 1 1.1 1.2R OP of NO (m ole /ccs)× 10 6X/XTmax(b) 50% CH4/50% H2N+OH=NO+H HNO+H=NO+H2 HNO+M=H+NO+M NO+CH=HCN+O-1.5-1-0.500.511.50.7 0.75 0.8 0.85 0.9 0.95 1R OP of NO (m o le/c c-s) ×1 06X/XTmax(c) 50% CH4/25% DME/25% H2N+OH=NO+H HNO+H=NO+H2 HNO+M=H+NO+M NO+T-CH2=HNCO+H NO+CH=HCN+O