Investigation of pressure and temperature distribution and flow separation over the ramp of the center-body in Aerospike nozzle

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Dargahi Roholamin; RAFEE ROHOLLAH

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Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING Year:2020 | Volume:50 | Issue:3 (92) Page(s): 57-66

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Title

Investigation of pressure and temperature distribution and flow separation over the ramp of the center-body in Aerospike nozzle

Author(s)

Dargahi Roholamin | RAFEE ROHOLLAH | Issue Writer Certificate

Keywords

Turbulent boundary layer

Pressure distribution

Temperature distribution

Shock Separation

Aerospike Nozzle

Abstract

In this paper, the pressure and Temperature distributions over the ramp of an Aerospike Nozzle in different pressure ratios are presented. Governing equations of the turbulent flow have been solved using finite volume method and different turbulence models. By comparing the obtained results with available experimental data, SST k-ω model has been selected for numerical simulations. In this study, the length of the recirculation zone, the temperature, and pressure variations within the recirculation zone and locations of the separation and reattachment points have been investigated in detail. Results show that the increase in the pressure ratio can move separation, reattachment points, and recirculation zone to downstream of the flow and also increase the length of the recirculation zone simultaneously. The maximum and minimum temperatures did not change but the maximum and minimum pressures reduced. Also, the results show that the reattachment point has the maximum temperature of the flow and this maximum temperature point can be adopted as the reattachment point.

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APA: Copy

Dargahi, Roholamin, & RAFEE, ROHOLLAH. (2020). Investigation of pressure and temperature distribution and flow separation over the ramp of the center-body in Aerospike nozzle. JOURNAL OF MECHANICAL ENGINEERING, 50(3 (92) ), 57-66. SID. https://sid.ir/paper/269873/en

Vancouver: Copy

Dargahi Roholamin, RAFEE ROHOLLAH. Investigation of pressure and temperature distribution and flow separation over the ramp of the center-body in Aerospike nozzle. JOURNAL OF MECHANICAL ENGINEERING[Internet]. 2020;50(3 (92) ):57-66. Available from: https://sid.ir/paper/269873/en

IEEE: Copy

Roholamin Dargahi, and ROHOLLAH RAFEE, “Investigation of pressure and temperature distribution and flow separation over the ramp of the center-body in Aerospike nozzle,” JOURNAL OF MECHANICAL ENGINEERING, vol. 50, no. 3 (92) , pp. 57–66, 2020, [Online]. Available: https://sid.ir/paper/269873/en

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