A computational study of shock speeds in high-performance shock tubes

Petrie-Repar, PJ and Jacobs, PA (1998) A computational study of shock speeds in high-performance shock tubes. Shock Waves, 8 2: 79-91.


Author Petrie-Repar, PJ
Jacobs, PA
Title A computational study of shock speeds in high-performance shock tubes
Journal name Shock Waves   Check publisher's open access policy
ISSN 0938-1287
Publication date 1998
Sub-type Article (original research)
DOI 10.1007/s001930050101
Volume 8
Issue 2
Start page 79
End page 91
Total pages 13
Language eng
Abstract This paper describes U2DE, a finite-volume code that numerically solves the Euler equations. The code was used to perform multi-dimensional simulations of the gradual opening of a primary diaphragm in a shock tube. From the simulations, the speed of the developing shock wave was recorded and compared with other estimates. The ability of U2DE to compute shock speed was confirmed by comparing numerical results with the analytic solution for an ideal shock tube. For high initial pressure ratios across the diaphragm, previous experiments have shown that the measured shock speed can exceed the shock speed predicted by one-dimensional models. The shock speeds computed with the present multi-dimensional simulation were higher than those estimated by previous one-dimensional models and, thus, were closer to the experimental measurements. This indicates that multi-dimensional flow effects were partly responsible for the relatively high shock speeds measured in the experiments.
Keyword Mechanics
Unstructured-grids
Solution-adaptive Remeshing
Numerical Dissipation
Shock Speeds
Shock Tubes Flow
Riemann Solver
Flows
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Mon, 13 Aug 2007, 10:25:04 EST