高超声速带减阻杆钝头体绕流非定常现象数值模拟

马宇; 刘晓伟; 冯家波; 熊红亮; 欧平

doi:10.15892/j.cnki.djzdxb.2014.03.007

弹箭与制导学报 >

2014 , Vol. 34 >Issue 3: 146 - 150

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2014.03.007

弹道与气动力技术

高超声速带减阻杆钝头体绕流非定常现象数值模拟

马宇 ,
刘晓伟 ,
冯家波 ,
熊红亮 ,
欧平

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中国航天空气动力技术研究院,北京 100074

马宇(1973-),男,山西晋城人,高级工程师,博士,研究方向:空气动力学和实验流体力学。

收稿日期: 2013-10-13

网络出版日期: 2025-05-30

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Numerical Simulation of Hypersonic Unsteady Flow Around a Spiked Blunt-Body

MA Yu ,
LIU Xiaowei ,
FENG Jiabo ,
XIONG Hongliang ,
OU Ping

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China Academy of Aerospace Aerodynamics, Beijing 100074, China

Received date: 2013-10-13

Online published: 2025-05-30

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摘要

带减阻钝物体绕流有很强的非定常流动特征,给飞行器减阻和头部热防护都带来了不利影响,为探索这一周期性非定常流动的演变规律及其对飞行器阻力的影响,文中利用Fluent软件对高超声速下的这一现象进行了数值计算模拟研究,针对流动周期的3个不同阶段:坍缩阶段、膨胀阶段和抑制阶段,分别进行了流场结构和流动机理的详细论述,另外还与飞行器模型的阻力曲线相对应,得到了流场结构变化的不同阶段与阻力曲线间的对应关系。关键词:高超音速;非定常;减阻杆

关键词： 高超音速; 非定常; 减阻杆

本文引用格式

马宇 , 刘晓伟 , 冯家波 , 熊红亮 , 欧平 . 高超声速带减阻杆钝头体绕流非定常现象数值模拟[J]. 弹箭与制导学报, 2014 , 34(3) : 146 -150 . DOI: 10.15892/j.cnki.djzdxb.2014.03.007

Abstract

Strong unsteady flow of flow field around the spiked blunt-body has negative effect on drag reduction of vehicle and thermal protection of the head. In order to study the evolution of this periodic unsteady flow and the effect on the drag of the vehicle, the hypersonic flow was numerically simulated by using Fluent package, and the flow structure and mechanism of the three processes of one cycle: collapse, inflation and suppression, were discussed in detail. The correspondence between the drag coefficient curve and different flow structure was obtained, also. Keywords: hypersonic; unsteady; spike

Key words： hypersonic; unsteady; spike

参考文献

[1]	Maull D J Hypersonic flow over axially symmetric spiked bodies[J]. Journal of Fluid Mechanics, 1960, 8(4): 584-592.
[2]	Wood C J Hypersonic flow over spiked cones[J]. Journal of Fluid Mechanics, 1962, 12(4): 614-627.
[3]	Guenther R A, Reding J P Fluctuating pressure environ-ment of a drag reducing spike[J]. Journal of Spacecraft and Rockets, 1977, 14(12): 705-710.
[4]	Calarese W A, Hankey W Modes of shock-wave oscilla-tions on spike-tipped bodies[J]. AIAA Journal, 1985, 23(2):185-192.
[5]	Yamauchi M, Fujii K, Tamura Y, et al. Numerical investi-gation of supersonic flows around a spiked blunt body,ΑΙΑΑ 93-0887 [R]. 1993.
[6]	Mikhail A G Spike-nosed projectiles: Computations and dual flow modes in supersonic flight[J]. Journal of Space-craft and Rockets, 1991, 28(4):418-424.
[7]	Mikhail A G Spike-nosed projectiles with vortex rings: Steady and nonsteady flow simulations[J]. Journal of Spacecraft and Rockets, 1996, 33(1):8-14
[8]	Feszty D, Badcock K J, Richards B E Driving mechanism of high-speed unsteady spiked body flows, Part 1: Pulsa-tion mode[J]. AIAA Journal, 2004, 42(1):95-106.
[9]	Feszty D, Badcock K J, Richards B E Driving mechanism of high-speed unsteady spiked body flows, Part 2: Oscilla-tion mode[J]. AIAA Journal, 2004, 42(1):107 113.

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