Integrated design and experimental research for curved fore-body and 3D inward turning inlet

Zheng Xiaogang; Li Zhonglong; Li Yiqing; Zhang Xu; Zhu Chengxiang; You Yancheng

doi:10.11729/syltlx20190019

Volume 33 Issue 5

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Article Navigation > Journal of Experiments in Fluid Mechanics > 2019 > 33(5): 28-35, 48

Zheng Xiaogang, Li Zhonglong, Li Yiqing, et al. Integrated design and experimental research for curved fore-body and 3D inward turning inlet[J]. Journal of Experiments in Fluid Mechanics, 2019, 33(5): 28-35, 48. doi: 10.11729/syltlx20190019

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Integrated design and experimental research for curved fore-body and 3D inward turning inlet

doi: 10.11729/syltlx20190019

1.
School of Aerospace Engineering, Xiamen University, Xiamen Fujian 361005, China
2.
AECC Sichuan Gas Turbine Establishment, Chengdu 610500, China
3.
School of Aircraft Engineering, Nanchang Hangkong University, Nanchang 330063, China

Received Date: 2019-01-21
Rev Recd Date: 2019-06-26
Publish Date: 2019-10-25

Abstract

Abstract

An integrated design method for the curved fore-body and the 3D inward-turning inlet is proposed firstly. For the effect of the side-wall expansion angle, two models with different expansion angles are designed and constructed. Wind tunnel tests for them were carried out under the design condition Ma=6.0 and α=0°. The numerical and experimental results show that the new developed integration method is reasonable. The initial conical shock wave induced by the curved fore-body is able to match the cowl lip perfectly so that the spill flow from the cowl lip can be reduced effectively. The mass flow capture capacity of the integrated model can be improved by increasing of the expansion angle in the present work. However, the growth of the expansion angle can possibly depress the back-pressure characteristic of the integrated configuration. Therefore, a proper expansion angle should be selected to meet the overall requirement for the integrated model.
- curved fore-body,
- 3D inward-turning inlet,
- integrated design method,
- side-wall expansion angle,
- wind tunnel test,
- mass flow capture,
- back-pressure characteristic

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References

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