NUMERICAL ANALYSIS OF SUPERSONIC FLOW OVER AN APDS PROJECTILE

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ROSHDI S.; MAHDIYANI R.; RAZAGHI M.; SEIFOLLAHI A.; ASHRAFI H.

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Journal: FLUID MECHANICS AND AERODYNAMICS JOURNAL Year:2015 | Volume:3 | Issue:4 (14) Page(s): 45-56

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Title

NUMERICAL ANALYSIS OF SUPERSONIC FLOW OVER AN APDS PROJECTILE

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Keywords

SABOTQ2

CALIBERQ2

DRAG COEFFICIENTQ2

WIND TUNNELQ2

Abstract

Aerodynamic simulation of APDS projectile with and without SABOT has been conducted here. Due to less weight of APDS projectile in comparison with the projectile, with the same CALIBER, APDS projectile has higher muzzle velocity, longer range, high penetration capability, and higher impact velocity. Simulation of flow around the SABOT walls has been carried out in two opening degrees of zero and 75 at supersonic regime, using the 3D Spalart-Allmaras turbulence model. Problem verification has been tested, using the WIND TUNNEL DRAG COEFFICIENT experimental data at two opening degrees of zero and 75 and close agreements have been obtained. The DRAG COEFFICIENT has been used in the ballistic coefficient calculations, wherein 24 percent improvement has been attained.

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APA: Copy

ROSHDI, S., MAHDIYANI, R., RAZAGHI, M., SEIFOLLAHI, A., & ASHRAFI, H.. (2015). NUMERICAL ANALYSIS OF SUPERSONIC FLOW OVER AN APDS PROJECTILE. FLUID MECHANICS AND AERODYNAMICS JOURNAL, 3(4 (14)), 45-56. SID. https://sid.ir/paper/245518/en

Vancouver: Copy

ROSHDI S., MAHDIYANI R., RAZAGHI M., SEIFOLLAHI A., ASHRAFI H.. NUMERICAL ANALYSIS OF SUPERSONIC FLOW OVER AN APDS PROJECTILE. FLUID MECHANICS AND AERODYNAMICS JOURNAL[Internet]. 2015;3(4 (14)):45-56. Available from: https://sid.ir/paper/245518/en

IEEE: Copy

S. ROSHDI, R. MAHDIYANI, M. RAZAGHI, A. SEIFOLLAHI, and H. ASHRAFI, “NUMERICAL ANALYSIS OF SUPERSONIC FLOW OVER AN APDS PROJECTILE,” FLUID MECHANICS AND AERODYNAMICS JOURNAL, vol. 3, no. 4 (14), pp. 45–56, 2015, [Online]. Available: https://sid.ir/paper/245518/en

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