Visual experimental and numerical investigations around the VLM-1 microsatellite launch vehicle at transonic regime

被引：3

作者：

Da Mata H.O. ^{[1
]}

Filho J.B.P.F. ^{[2
]}

Avelar A.C. ^{[2
]}

Carvalho L.M.M.O. ^{[2
]}

Azevedo J.L.F. ^{[2
]}

机构：

[1] Departamento de Ciência e Tecnologia Aeroespacial, Centro de Lançamento de Alcântara, Seção de Segurança de Vôo, Alcântara, MA

[2] Departamento de Ciência e Tecnologia Aeroespacial, Instituto de Aeronáutica e Espaço, Divisão de Aerodinâmica, São José dos Campos, SP

来源：

Journal of Aerospace Technology and Management | 2017年 / 9卷 / 02期

关键词：

CFD; Experimental results; Schlieren images; Sounding rocket; Transonic Wind Tunnel;

D O I：

10.5028/jatm.v9i2.676

中图分类号：

学科分类号：

摘要：

It is performed and presented an experimental and numerical investigation over the flow patterns around the fore-body section of a microsatellite launch vehicle in development at Instituto de Aeronáutica e Espaço. The experimental investigation with a VLM-1 model in 1:50 scale is carried out at the Brazilian Pilot Transonic Wind Tunnel, located in the Aerodynamics Division of the mentioned Institute, using the classical schlieren flow visualization technique. Schlieren images are obtained for nominal Mach number varying from 0.9 to 1.01. Numerical simulation using Stanford’s SU2 code is conducted together with the experimental investigation in order to improve the understanding of the complex physical phenomena associated with the experimental results of this particular regime. The combination of the 2 techniques allowed the assessment of some important aspects on the flow field around the vehicle in the conditions considered in this study, such as shock wave/boundary-layer interaction. The numerical simulation is also very important, allowing the quantification of some important parameters and confirming the shock wave formation patterns observed in the simulation when compared with the schlieren images. A good agreement regarding the position of the shock wave, when compared with the schlieren images, with a maximum error of about 6%, is observed over the VLM model. © 2017, Journal of Aerospace Technology and Management. All rights reserved.

引用

页码：170 / 183

页数：13

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