Amir, Al-Falahi and Yusoff, M. Z. and Yusaf, T. (2008) Numerical simulation of inviscid transient flows in shock tube and its validations. In: ICFM 2008: 5th International Conference on Fluid Mechanics, 12-14 Sep 2008, Heidelberg, Germany.
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Official URL: http://www.waset.org/journals/waset/
The aim of this paper is to develop a new two dimensional time accurate Euler solver for shock tube applications. The solver was developed to study the performance of a newly built short-duration hypersonic test facility at Universiti Tenaga Nasional 'UNITEN' in Malaysia. The facility has been designed, built, and commissioned for different values of diaphragm pressure ratios in order to get wide range of Mach number. The developed solver uses second order accurate cell-vertex finite volume spatial discretization and forth order accurate Runge-Kutta temporal integration and it is designed to simulate the flow process for similar driver/driven gases (e.g. air-air as working fluids). The solver is validated against analytical solution and experimental measurements in the high speed flow test facility. Further investigations were made on the flow process inside the shock tube by using the solver. The shock wave motion, reflection and interaction were investigated and their influence on the performance of the shock tube was determined. The results provide very good estimates for both shock speed and shock pressure obtained after diaphragm rupture. Also detailed information on the gasdynamic processes over the full length of the facility is available. The agreements obtained have been reasonable.
|Item Type:||Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)|
|Additional Information:||Deposited with blanket permission of publisher.|
|Uncontrolled Keywords:||shock tunnel; shock tube; shock wave; CFD; Euler's numbers; Mach number; Runge-Kutta formulas; gas dynamics; fluid dynamics; hydraulic engineering|
|Fields of Research (FOR2008):||09 Engineering > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics|
09 Engineering > 0901 Aerospace Engineering > 090107 Hypersonic Propulsion and Hypersonic Aerodynamics
|Subjects:||210000 Science - General|
220000 Social Sciences, Humanities and Arts - General
|Socio-Economic Objective (SEO2008):||UNSPECIFIED|
|Deposited On:||09 Dec 2008 14:55|
|Last Modified:||03 May 2012 11:46|
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