An accurate modeling of gun barrel temperature variation over time is important to assess wear and the number of shot fires needed to reach cook-off. Using lumped parameter methods, an internal ballistics code was developed to compute heat transfer to the gun barrel for given ammunition parameters. Subsequently the finite element method was employed to model gun barrel temperature history (temperature variation over time). Simulations were performed for a burst of nine shots and the results were found to match satisfactorily to the corresponding experimental measurements. Wear or erosion of the barrel during a gun fire is very sensitive toward the maximum bore surface temperature. The proposed scheme can accurately simulate gun barrel temperature history; hence improved wear calculations can be made with it. An important and unique advantage of the developed scheme is that it easily couples internal ballistics simulations with the finite element methods.
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e-mail: avanish.ism@gmail.com
e-mail: ahameed.cu@defenceacademy.mod.uk
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December 2010
Research Papers
A Novel Scheme for Computing Gun Barrel Temperature History and Its Experimental Validation
Avanish Mishra,
Avanish Mishra
Department of Mechanical Engineering and Mining Machinery Engineering,
e-mail: avanish.ism@gmail.com
Indian School of Mines
, Dhanbad, Jharkhand, 826004, India
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Amer Hameed,
Amer Hameed
Weapon Systems and Engineering Dynamics Group, DA-CMT,
e-mail: ahameed.cu@defenceacademy.mod.uk
Cranfield University
, Shrivenham, Swindon, Wilts SN6 8LA, UK
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Bryan Lawton
Bryan Lawton
Weapon Systems and Engineering Dynamics Group, DA-CMT,
Cranfield University
, Shrivenham, Swindon, Wilts SN6 8LA, UK
Search for other works by this author on:
Avanish Mishra
Department of Mechanical Engineering and Mining Machinery Engineering,
Indian School of Mines
, Dhanbad, Jharkhand, 826004, Indiae-mail: avanish.ism@gmail.com
Amer Hameed
Weapon Systems and Engineering Dynamics Group, DA-CMT,
Cranfield University
, Shrivenham, Swindon, Wilts SN6 8LA, UKe-mail: ahameed.cu@defenceacademy.mod.uk
Bryan Lawton
Weapon Systems and Engineering Dynamics Group, DA-CMT,
Cranfield University
, Shrivenham, Swindon, Wilts SN6 8LA, UKJ. Pressure Vessel Technol. Dec 2010, 132(6): 061202 (6 pages)
Published Online: October 13, 2010
Article history
Received:
January 16, 2009
Revised:
April 24, 2010
Online:
October 13, 2010
Published:
October 13, 2010
Citation
Mishra, A., Hameed, A., and Lawton, B. (October 13, 2010). "A Novel Scheme for Computing Gun Barrel Temperature History and Its Experimental Validation." ASME. J. Pressure Vessel Technol. December 2010; 132(6): 061202. https://doi.org/10.1115/1.4001740
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