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Experimental and numerical study on a three-stage high-load axial compressor with 3D blade design

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Listed:
  • Deng, Hangwen
  • Luo, Lei
  • Yan, Han
  • Zhou, Xun
  • Du, Wei
  • Luo, Qiao

Abstract

This paper presents the experimental and numerical investigation on the high-load design of a three-stage axial compressor. A 3D blade design method is applied to the cantilevered stators of the high-load compressor. The datum compressor and the high-load compressor (called 3D-HLC) are tested separately to verify the reliability of the numerical method and the superiority of the 3D blade design. The overall performance of the datum compressor and the 3D-HLC are compared. Based on the numerical results, The flow field of the rear two-stage stator at the design point is analyzed to explore the control mechanism of the 3D blade design. Results show that the load-load blades have a higher diffusion factor due to an increased camber angle. The merging of the end wall boundary layer and the corner stall significantly affects the 3D blade design's ability to reduce loss. The load in the stator end region is redistributed by the 3D blade design, reducing the intensity of the corner stall. Compared to the datum compressor, the isentropic efficiency and total pressure ratio of the 3D-HLC at the design point are improved by 1.38 % and 32.09 % respectively.

Suggested Citation

  • Deng, Hangwen & Luo, Lei & Yan, Han & Zhou, Xun & Du, Wei & Luo, Qiao, 2025. "Experimental and numerical study on a three-stage high-load axial compressor with 3D blade design," Energy, Elsevier, vol. 316(C).
    • Handle: RePEc:eee:energy:v:316:y:2025:i:c:s0360544225000416
    DOI: 10.1016/j.energy.2025.134399
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    References listed on IDEAS

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    1. Lu, Hanan & Li, Qiushi & Pan, Tianyu, 2016. "Optimization of cantilevered stators in an industrial multistage compressor to improve efficiency," Energy, Elsevier, vol. 106(C), pages 590-601.
    2. Li, Zhihui & Liu, Yanming, 2017. "Blade-end treatment for axial compressors based on optimization method," Energy, Elsevier, vol. 126(C), pages 217-230.
    3. Du, Juan & Li, Yiwen & Li, Zhihui & Li, Jichao & Wang, Zinan & Zhang, Hongwu, 2019. "Performance enhancement of industrial high loaded gas compressor using Coanda jet flap," Energy, Elsevier, vol. 172(C), pages 618-629.
    4. Sun, Shijun & Wang, Songtao & Chen, Shaowen, 2020. "The influence of diversified forward sweep heights on operating range and performance of an ultra-high-load low-reaction transonic compressor rotor," Energy, Elsevier, vol. 194(C).
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