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Simulation Analysis of Ejector Optimization for High Mass Entrainment under the Influence of Multiple Structural Parameters

Author

Listed:
  • Jiantao Zheng

    (Huaneng Clean Energy Research Institute, Beijing 102200, China)

  • Yuyan Hou

    (State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China)

  • Zhongwei Tian

    (Huaneng Clean Energy Research Institute, Beijing 102200, China)

  • Hongkui Jiang

    (Xingzhi College, Zhejiang Normal University, Jinhua 321004, China)

  • Weixiong Chen

    (State Key Laboratory of Multiphase Flow in Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China)

Abstract

As an energy-saving technology, the ejector is widely used in the heating, aerospace, and chemical industry. The ejector performance is closely related to its structure, so the structure of the ejector needs to be optimized. In the present study, single-factor optimization is first carried out, and the main structural parameters affecting the ejector performance are screened out. Then, the response surface method is used to analyze the combined effect of the multiple structural parameters of the ejector, find out the optimal structure, and analyze the flow field inside the ejector. This study shows that, through numerical simulation, the ejector performance obtained by the response surface method is better than that obtained by the single-factor optimization method or theoretically designed ejector, and the ejector performance is 35.4% higher than that of the theoretically designed ejector. Moreover, the optimal structure of the ejector obtained by the response surface method has high reliability, and the difference between the simulation result and the prediction result of the response surface method is 0.96%.

Suggested Citation

  • Jiantao Zheng & Yuyan Hou & Zhongwei Tian & Hongkui Jiang & Weixiong Chen, 2022. "Simulation Analysis of Ejector Optimization for High Mass Entrainment under the Influence of Multiple Structural Parameters," Energies, MDPI, vol. 15(19), pages 1-13, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:7058-:d:925314
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    References listed on IDEAS

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    1. Wu, Yifei & Zhao, Hongxia & Zhang, Cunquan & Wang, Lei & Han, Jitian, 2018. "Optimization analysis of structure parameters of steam ejector based on CFD and orthogonal test," Energy, Elsevier, vol. 151(C), pages 79-93.
    2. Yang, Yan & Karvounis, Nikolas & Walther, Jens Honore & Ding, Hongbing & Wen, Chuang, 2021. "Effect of area ratio of the primary nozzle on steam ejector performance considering nonequilibrium condensations," Energy, Elsevier, vol. 237(C).
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    Cited by:

    1. Jianmei Feng & Jiquan Han & Zihui Pang & Xueyuan Peng, 2023. "Designing Hydrogen Recirculation Ejectors for Proton Exchange Membrane Fuel Cell Systems," Energies, MDPI, vol. 16(3), pages 1-10, January.

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