Detonation propagation for shock-driven, subsonic and supersonic confiner flow

Short, Mark; Chiquete, Carlos; Quirk, James J.

doi:10.1017/jfm.2019.997

Title: Detonation propagation for shock-driven, subsonic and supersonic confiner flow

Abstract

In this work, we study the compressible flow dynamics of two-dimensional, steady detonation wave propagation in a high explosive (HE) confined by aluminium (Al) or stainless steel (SS), outside of which is an air layer. We examine how the thickness of the confinement affects the subsonic detonation driving zone structure (DDZ) and the detonation speed (D₀), demonstrating a strong dependence on whether the oblique shock-driven flow in the confiner is supersonic, as for SS, or subsonic, as for Al. A characteristic path analysis is used to examine the information flow from the material boundaries through the supersonic flow regions in both the HE and confiner that can impact the sonic surfaces bounding the subsonic flow regions. It is shown that the nature of gas-dynamic wave reflection off the SS–air or Al–air boundary can significantly influence the DDZ and D₀.

Authors:

^[1];

^[1]; Quirk, James J. ^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Publication Date:: Fri Dec 20 00:00:00 EST 2019

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP)

OSTI Identifier:: 1711379

Report Number(s):: LA-UR-19-24011
Journal ID: ISSN 0022-1120

Grant/Contract Number:: 89233218CNA000001

Resource Type:: Accepted Manuscript

Journal Name:: Journal of Fluid Mechanics

Additional Journal Information:: Journal Volume: 885; Journal ID: ISSN 0022-1120

Publisher:: Cambridge University Press

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES

Citation Formats


                    Short, Mark, Chiquete, Carlos, and Quirk, James J. Detonation propagation for shock-driven, subsonic and supersonic confiner flow.  United States: N. p., 2019. 
Web.  doi:10.1017/jfm.2019.997.

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                    Short, Mark, Chiquete, Carlos, & Quirk, James J. Detonation propagation for shock-driven, subsonic and supersonic confiner flow.  United States.  https://doi.org/10.1017/jfm.2019.997

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                    Short, Mark, Chiquete, Carlos, and Quirk, James J. Fri .  
"Detonation propagation for shock-driven, subsonic and supersonic confiner flow".  United States.  https://doi.org/10.1017/jfm.2019.997.  https://www.osti.gov/servlets/purl/1711379.

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@article{osti_1711379,

  title        = {Detonation propagation for shock-driven, subsonic and supersonic confiner flow},

  author       = {Short, Mark and Chiquete, Carlos and Quirk, James J.},

  abstractNote = {In this work, we study the compressible flow dynamics of two-dimensional, steady detonation wave propagation in a high explosive (HE) confined by aluminium (Al) or stainless steel (SS), outside of which is an air layer. We examine how the thickness of the confinement affects the subsonic detonation driving zone structure (DDZ) and the detonation speed (D0), demonstrating a strong dependence on whether the oblique shock-driven flow in the confiner is supersonic, as for SS, or subsonic, as for Al. A characteristic path analysis is used to examine the information flow from the material boundaries through the supersonic flow regions in both the HE and confiner that can impact the sonic surfaces bounding the subsonic flow regions. It is shown that the nature of gas-dynamic wave reflection off the SS–air or Al–air boundary can significantly influence the DDZ and D0.},

  doi          = {10.1017/jfm.2019.997},

  journal      = {Journal of Fluid Mechanics},

  number       = ,

  volume       = 885,

  place        = {United States},

  year         = {Fri Dec 20 00:00:00 EST 2019},

  month        = {Fri Dec 20 00:00:00 EST 2019}

}

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Works referenced in this record:

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journal, September 2005

Sharpe, G. J.; Braithwaite, M.
Journal of Engineering Mathematics, Vol. 53, Issue 1
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Short, Mark; Quirk, James J.; Chiquete, Carlos
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Characteristic path analysis of confinement influence on steady two-dimensional detonation propagation
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Chiquete, Carlos; Short, Mark
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journal, January 2018

Short, Mark; Quirk, James J.
Annual Review of Fluid Mechanics, Vol. 50, Issue 1
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Similar Records

Title: Detonation propagation for shock-driven, subsonic and supersonic confiner flow

Abstract

Citation Formats

Steady Non-ideal Detonations in Cylindrical Sticks of Explosives journal, September 2005

The Noble-Abel Stiffened-Gas equation of state journal, April 2016

A study of the curvature of a two-dimensional detonation wave at an explosive-confinement interface conference, January 1994

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Steady-state two-dimensional detonation journal, July 1981

A Non-oscillatory Eulerian Approach to Interfaces in Multimaterial Flows (the Ghost Fluid Method) journal, July 1999

Stability of Chapman–Jouguet detonations for a stiffened-gas model of condensed-phase explosives journal, March 2006

Characteristic path analysis of confinement influence on steady two-dimensional detonation propagation journal, January 2019

The Dynamics of Detonation in Explosive Systems journal, January 2007

Stability of detonations for an idealized condensed-phase model journal, January 2008

Reaction-zone structure of a steady-state detonation wave in a cylindrical charge journal, April 1997

High Explosive Detonation–Confiner Interactions journal, January 2018

Steady Non-ideal Detonations in Cylindrical Sticks of Explosives
journal, September 2005

The Noble-Abel Stiffened-Gas equation of state
journal, April 2016

A study of the curvature of a two-dimensional detonation wave at an explosive-confinement interface
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Detonation propagation in a circular arc: reactive burn modelling
journal, November 2017

The propagation of detonation waves in non-ideal condensed-phase explosives confined by high sound-speed materials
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Steady-state two-dimensional detonation
journal, July 1981

A Non-oscillatory Eulerian Approach to Interfaces in Multimaterial Flows (the Ghost Fluid Method)
journal, July 1999

Stability of Chapman–Jouguet detonations for a stiffened-gas model of condensed-phase explosives
journal, March 2006

Characteristic path analysis of confinement influence on steady two-dimensional detonation propagation
journal, January 2019

The Dynamics of Detonation in Explosive Systems
journal, January 2007

Stability of detonations for an idealized condensed-phase model
journal, January 2008

Reaction-zone structure of a steady-state detonation wave in a cylindrical charge
journal, April 1997

High Explosive Detonation–Confiner Interactions
journal, January 2018