Assessing the Impacts of Viscosity and Radiative Transfer in Internal Detonation Scenarios Involving Hydrogen-Air Mixtures

Assessing the Impacts of Viscosity and Radiative Transfer in Internal Detonation Scenarios Involving Hydrogen-Air Mixtures

Gautham Krishnamoorthy

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Lucky Nteke Mulenga

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Assessing the Impacts of Viscosity and Radiative Transfer in Internal Detonation Scenarios Involving Hydrogen-Air Mixtures

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Abstract

Predictions from a hydro code are compared against those obtained from a computational fluid dynamics (CFD) framework to numericall yassess the effects of: viscous and radiative losses associated with a propagating pressure wave, the point source ignition approximation, and their subsequent impact on the over-pressure characteristics during internal detonation scenarios involving hydrogen-air mixtures. The hydro code employed: TNT equivalencies to represent the heat of hydrogen combustion and solved the inviscid (Euler) equations in conjunction with the JWL equation of state for momentum transport. The CFD simulations resolved the detonation wave employing: the SRK equation of state, Large Eddy Simulations and employed spectrally-averaged mean absorption coefficients for the radiative properties. Detonation wave propagation in air (non-reacting) as well as in premixed hydrogen-air mixtures(reacting) were studied employing a 21-step detailed chemistry mechanism.

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Funding

No external funding was declared for this work.

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The authors declare no conflict of interest.

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How to Cite This Article

Gautham Krishnamoorthy. 2017. \u201cAssessing the Impacts of Viscosity and Radiative Transfer in Internal Detonation Scenarios Involving Hydrogen-Air Mixtures\u201d. Global Journal of Research in Engineering - C: Chemical Engineering GJRE-C Volume 17 (GJRE Volume 17 Issue C3): .

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GJRE Volume 17 Issue C3
Pg. 11- 28

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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GJRE-C Classification: FOR Code: 290699

Submission ReceivedDecember 11, 2016
Peer Review Double Blind
Handling Editor
Accepted January 4, 2017
Published January 15, 2017

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November 3, 2017

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Article Matrices

Total Score: 132

Country: United States

Subject: Global Journal of Research in Engineering - C: Chemical Engineering

Authors: Gautham Krishnamoorthy, Lucky Nteke Mulenga (PhD/Dr. count: 0)

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Publish Date: 2017 11, Fri

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Total Views: 3325

Total Downloads: 1622

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