Numerical Analysis of Turbulent Flow over a 2-D Prolate Spheroid
Channabasav1, Sharanappa Godignur2
1Channabasav*, School of Mechanical Engineering, REVA UNIVERSITY, Bangalore, India.
2Dr Sharanappa Godignur, School of Mechanical Engineering, REVA UNIVERSITY, Bangalore, India.

Manuscript received on November 12, 2019. | Revised Manuscript received on November 25, 2019. | Manuscript published on 30 November, 2019. | PP: 4646-4651 | Volume-8 Issue-4, November 2019. | Retrieval Number: D8338118419/2019©BEIESP | DOI: 10.35940/ijrte.D8338.118419

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Abstract: Recently external flow over body creates more interest of study because flow characteristics are dominated by complex phenomenon like separation and this paper turbulent flow over a 2-D prolate spheroid (6:1) is consider for analysis. Generation of surface grid around prolate spheroid by using grid generation code MESHGEN. Laminar and turbulent Flow past given geometry is simulated by Navier-stoke code RANS3D by second order upwind scheme for convective flux discretization by k-ε model for different Reynolds number, angles of attack .It is observed that the value of drag coefficient is lower than that of a cylinder due to its more streamlined contour. The variation of Cd was steeper in the laminar range than the turbulent range due to the effects of viscous forces being greater in laminar flow.
Keywords: 2-D Turbulent Flow, External Flow, Prolate Spheroid, Numerical Analysis, Navier Stoke RAN3D Code.
Scope of the Article: Numerical Modelling of Structures.