Backward analysis for isentropic compression experiments with windows backed on samples

WANG Gang-hua; SUN Cheng-wei; WANG Gui-ji; ZHAO Jian-heng; TAN Fu-li; HU Xi-jing

doi:10.11883/1001-1455(2009)01-0101-04

Volume 29 Issue 1

Sep. 2014

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Article Navigation > Explosion And Shock Waves > 2009 > 29(1): 101-104

Du Hong-mian, He Zhi-wen, Ma Tie-hua. Frequency domain characteristic of secondary instrument in the shock overpressure measurement system[J]. Explosion And Shock Waves, 2015, 35(2): 261-266. doi: 10.11883/1001-1455(2015)02-0261-06

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WANG Gang-hua, SUN Cheng-wei, WANG Gui-ji, ZHAO Jian-heng, TAN Fu-li, HU Xi-jing. Backward analysis for isentropic compression experiments with windows backed on samples[J]. Explosion And Shock Waves, 2009, 29(1): 101-104. doi: 10.11883/1001-1455(2009)01-0101-04

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Backward analysis for isentropic compression experiments with windows backed on samples

doi: 10.11883/1001-1455(2009)01-0101-04

1.
National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China;
2.
Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

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Corresponding author: WANG Gang-hua
Publish Date: 2009-01-25

Abstract

Abstract

A one-dimensional Lagrangian backward integeration method was used to analyze VISAR records of isentropic compression experiments. The pressure history at the window-sample interface calculated by the interface velocity history was proved to be successful. A contrast calculation shows that the backward method is as accurate as the forward method. Analysis of the Z575 experiments shows that the isentropic compression curves of Al 6061-T6 are in good agreement with that by Hall C A.
- fluid mechanics,
- backward integration method,
- Lagrange analysis,
- isentropic compression experiment,
- window

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