American Journal of Mechanical Engineering
ISSN (Print): 2328-4102 ISSN (Online): 2328-4110 Website: Editor-in-chief: Kambiz Ebrahimi, Dr. SRINIVASA VENKATESHAPPA CHIKKOL
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American Journal of Mechanical Engineering. 2019, 7(4), 172-180
DOI: 10.12691/ajme-7-4-3
Open AccessArticle

Analysis of Different Turbulence Models in Simulation of Hypersonic Flow in the Wind Tunnel

Mohammad Javad Ameri1, Mohammad Reza Heidari2, Hashem Nowruzi3, and Amin Najafi4

1Faculty of Engineering, Islamic Azad University, South Tehran Branch, Tehran, Iran

2Faculty of engineering, Islamic Azad University, Parand Branch, Tehran, Iran

3Maritime Engineering Department, Amirkabir University of Technology, Tehran, Iran

4Mechanical Engineering Department, IHU, Tehran, Iran

Pub. Date: October 28, 2019

Cite this paper:
Mohammad Javad Ameri, Mohammad Reza Heidari, Hashem Nowruzi and Amin Najafi. Analysis of Different Turbulence Models in Simulation of Hypersonic Flow in the Wind Tunnel. American Journal of Mechanical Engineering. 2019; 7(4):172-180. doi: 10.12691/ajme-7-4-3


In the current paper, we investigated the hypersonic flow in the wind tunnel at the Mach number 8. For this purpose, the effects and performance of three different turbulence models SST/k-ω, RNG/k-ε and Realizable/k-ε on flow simulation are evaluated. Mesh sensitivity analysis is conducted and our results are validated against the existing experimental data with good accordance. To better phenomenological study on the hypersonic flow behavior, distributions of static pressure, total pressure, Mach number and streamlines at nozzle, diffuser and test chamber are investigated. We found that the SST/k- ω turbulence model is more efficient and accurate compared to two other turbulence models in simulation of hypersonic flow in the wind tunnel at high Mach numbers.

CFD turbulence models hypersonic flow wind tunnel

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