Zakaria, S. and Yusaf, T. and Yusoff, M. Z. (2006) Flow and transient heat transfer in a high speed free piston tunnel: CFD simulations on turbulent and laminar flow conditions. In: 2nd International Conference on Thermal Engineering Theory and Applications (ICTEA '06), 3-6 Jan 2006, Al Ain, United Arab Emirates.
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Official URL: http://www.ryerson.ca/~ictea/2006/index.html
Abstract
This paper presents CFD simulations of a high-speed free piston tunnel with particular attention to the transient heat transfer during the rapid compression process involving shock waves. Commercial CFD software, STAR-CD was used to simulate the flow conditions of the transonic compressible flow. The study was done on the effect of turbulence modeling to the convective heat flux values. Turbulent model utilized was two equations K-Epsilon RNG with Prandtl number set to values of 0.7, 0.9 and 1.1. It was found that maximum pressure obtained at a measuring vertex for turbulent-Pr 0.7 was 3826 kPa and maximum heat flux value from the simulation was 631.8 kW/m2
| Item Type: | Conference or Workshop Item (Commonwealth Reporting Category E) (Paper) |
|---|---|
| Additional Information: | Permanenet restricted access to apper due to publisher copyright restrictions. |
| Uncontrolled Keywords: | transient heat transfer; shockwave; free-piston gun-tunnel; CFD |
| Fields of Research (FOR2008): | 09 Engineering > 0901 Aerospace Engineering > 090106 Flight Dynamics 09 Engineering > 0913 Mechanical Engineering > 091399 Mechanical Engineering not elsewhere classified 09 Engineering > 0915 Interdisciplinary Engineering > 091508 Turbulent Flows |
| Subjects: | 290000 Engineering and Technology > 290500 Mechanical and Industrial Engineering > 290501 Mechanical Engineering 290000 Engineering and Technology > 290200 Aerospace Engineering > 290202 Flight Dynamics |
| Socio-Economic Objective (SEO2008): | E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering |
| ID Code: | 1591 |
| Deposited By: | |
| Deposited On: | 11 Oct 2007 10:47 |
| Last Modified: | 22 Dec 2011 10:00 |
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