NUMERICAL ANALYSIS OF COMPRESSIBLE STEADY/UNSTEADY, AND INVISCID/VISCOUS FLOWS IN CASCADS AND EFFECTS OF VISCOSITY ON THE FLOWS

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SHIRANI E.; ZIRAK S.

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Journal: AMIRKABIR Year:2001 | Volume:12 | Issue:47 Page(s): 254-262

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Information Journal Paper

Title

NUMERICAL ANALYSIS OF COMPRESSIBLE STEADY/UNSTEADY, AND INVISCID/VISCOUS FLOWS IN CASCADS AND EFFECTS OF VISCOSITY ON THE FLOWS

Author(s)

SHIRANI E. | ZIRAK S. | Issue Writer Certificate

Keywords

CASCADESQ4

JAMESON METHODQ4

VISCOUS FLOWQ2

UNSTEADY FLOWQ4

COMPRESSIBLE FLOWQ2

TRANSONIC FLOWQ4

SHOCK WAVESQ2

VKI CASCADESQ4

Abstract

Compressible flows for unsteady, inviscid and viscous cases have been studied. Important features of flows such as formation of SHOCK WAVES across the flow in an UNSTEADY FLOW as well as interaction of SHOCK WAVES with boundary layers and their effects on the flow around the blades have been analyzed.Jameson control volume approach was used to spetially integrate the flow equations and the fourth order Ruge-Kutta method was used for time integration. The obtained finite difference equations were used to simulate invisicid and VISCOUS FLOWs in VKI CASCADES and the effects of viscosity, angle of attack, balde pitches and back pressure on the flow were obtained. It was shown that when the flow was assumed inviscid, the error on the distribution of pressure on the blades were about ten percent. Finally, UNSTEADY FLOW were simulated and formation of SHOCK WAVES and their motions were analyzed.

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APA: Copy

SHIRANI, E., & ZIRAK, S.. (2001). NUMERICAL ANALYSIS OF COMPRESSIBLE STEADY/UNSTEADY, AND INVISCID/VISCOUS FLOWS IN CASCADS AND EFFECTS OF VISCOSITY ON THE FLOWS. AMIRKABIR, 12(47), 254-262. SID. https://sid.ir/paper/1094/en

Vancouver: Copy

SHIRANI E., ZIRAK S.. NUMERICAL ANALYSIS OF COMPRESSIBLE STEADY/UNSTEADY, AND INVISCID/VISCOUS FLOWS IN CASCADS AND EFFECTS OF VISCOSITY ON THE FLOWS. AMIRKABIR[Internet]. 2001;12(47):254-262. Available from: https://sid.ir/paper/1094/en

IEEE: Copy

E. SHIRANI, and S. ZIRAK, “NUMERICAL ANALYSIS OF COMPRESSIBLE STEADY/UNSTEADY, AND INVISCID/VISCOUS FLOWS IN CASCADS AND EFFECTS OF VISCOSITY ON THE FLOWS,” AMIRKABIR, vol. 12, no. 47, pp. 254–262, 2001, [Online]. Available: https://sid.ir/paper/1094/en

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