Computational drag and magnus force reduction for a transonic spinning projectile using passive porosity

被引：3
|
作者：
Onn, SC [1 ]
Su, A
Wei, CK
Sun, CC
机构：
[1] Yuan Ze Univ, Energy Technol Res Ctr, Tao Yuan, Taiwan
[2] Yuan Ze Univ, Dept Mech Engn, Tao Yuan, Taiwan
[3] Chung Cheng Inst Technol, Dept Weapon Syst Energy, Tao Yuan, Taiwan
来源：
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2001年 / 190卷 / 46-47期
关键词：
spinning; porous surface; magnus force;
D O I：
10.1016/S0045-7825(01)00210-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aerodynamic performance of a spinning secant-ogive-cylinder-boattail (SOCBT) projectile in the transonic regime is numerically investigated. In the present study, a porous surface is applied to improve the projectile performance. The computed results show that the porous surface on the boattail not only reduce the total drag by 17.35% but also alleviate the magnus force by 98.43%. For the case that the porous surface is on both the boattail and the base of a SOCBT projectile, the total drag and the magnus force can be further reduced by 23.49% and 99.94%, respectively. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：6125 / 6139
页数：15
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