Experimental investigation on high temperature deformation of regeneratively cooled combustor structure based on non-contact measurement

ZHANG Lei; ZHANG Ruoling; XIAO Shide; LIU Yu; XIONG Ying

doi:10.11729/syltlx20200051

Volume 35 Issue 1

Feb. 2021

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Article Navigation > Journal of Experiments in Fluid Mechanics > 2021 > 35(1): 53-59

ZHANG Lei, ZHANG Ruoling, XIAO Shide, et al. Experimental investigation on high temperature deformation of regeneratively cooled combustor structure based on non-contact measurement[J]. Journal of Experiments in Fluid Mechanics, 2021, 35(1): 53-59. doi: 10.11729/syltlx20200051

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Experimental investigation on high temperature deformation of regeneratively cooled combustor structure based on non-contact measurement

doi: 10.11729/syltlx20200051

1.
Science and Technology on Scramjet Laboratory, Hypervelocity Aerodynamics Institute of China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China
2.
School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610000, China

Received Date: 2020-04-07
Rev Recd Date: 2020-05-26
Publish Date: 2021-02-25

Abstract

Abstract

In order to obtain the high temperature deformation of the generatively cooled combustor structure in ground test, experimental investigation based on non-contact measurement was conducted. The speeded-up robust feature algorithm and the improved digital image correlation of cylindrical surface were used to measure the total deformation and the partial strain of the combustor, respectively. The results show that the experimental total deformations and partial strains of the combustor were about 4.8 mm and 0.0049 respectively under the stable working condition. The experimental results agree well with engineering rough estimated ones, which shows that the presented non-contact measurement is applicable for combustor structure design and the experimental data are useful for validating the numerical calculation of the three-dimensional structural strength analysis.
- regeneratively cooled combustor,
- high temperature deformation,
- non-contact measurement,
- digital image correlation

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References

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