Abstract
Identification of the suitable computational models which predict very closer value to the experimental result is the objective of the present study. Effect of the different computational models on the static pressure coefficient distribution along the wake axis of a circular cone is reported. Knowledge of pressure distribution behind a body is essential to estimate the length of reverse flow, maximum reverse velocity point and re-attachment point. In the present study, effect of different turbulence models, heat transfer models and advection schemes on the pressure coefficients along the wake axis are compared with the experimental results. Experimental results were obtained from the wind tunnel experiment at 25m/s freestream velocity (0.667 x 105 based on cone base diameter). Static pressure along the wake axis was measured using a Digital Sensor Array –DSA. The pressure sensor has the capability of measuring 1 PSI differential pressure with +/-0.12% full scale accuracy. ANSYS ICEM CFD 10.0 was used to generate the geometry and mesh of the test model. ANSYS CFX 10.0, a commercially available software was used for pre processing, solving the equations and post processing of the test case.
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