Simulating hypersonic projectile launching process in the ballistic range by Adaptive Discontinuity Fitting solver technique

Chang Siyuan; Zou Dongyang; Liu Jun

doi:10.11729/syltlx20180104

Volume 33 Issue 2

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Chang Siyuan, Zou Dongyang, Liu Jun. Simulating hypersonic projectile launching process in the ballistic range by Adaptive Discontinuity Fitting solver technique[J]. Journal of Experiments in Fluid Mechanics, 2019, 33(2): 23-29. doi: 10.11729/syltlx20180104

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Simulating hypersonic projectile launching process in the ballistic range by Adaptive Discontinuity Fitting solver technique

doi: 10.11729/syltlx20180104

1.
School of Aeronautics and Astronautics, Dalian University of Technology, Dalian Liaoning 116024, China
2.
China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China

Received Date: 2018-08-01
Rev Recd Date: 2018-10-24
Publish Date: 2019-04-25

Abstract

Abstract

The free flight ballistic range is an important ground test method for the study of hypersonic vehicles. After the accelerated launch, the projectile is separated from the sabots in the range tank. The actual flying posture of the projectile is affected by many factors occurring in the processes of model acceleration and separation. Therefore, it is helpful to operate the experiment by developing simulation techniques for ballistic range tests. Considering the above processes, a set of numerical simulation algorithms is built. More specifically, the unstructured dynamic grid technique and Adaptive Discontinuity Fitting solver(ADFs) are used to track the motion of the projectile and sabots, and the cell-centered finite volume method is utilized to update the flow field.
- ballistic range,
- numerical simulation,
- multi-bodies separation,
- hypersonic,
- shock-fitting

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References(20)

References

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