An evaluation model for wall heat transfer effects on micro centrifugal compressors and its application in aerodynamic design

Zou, Zhengping; Xu, Pengcheng; Fu, Chao

doi:10.1016/j.applthermaleng.2023.121554

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2024

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Cited by 3 publications

References 29 publications

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Second law efficiency of air-cooled refrigeration compressors

Arqam,

Jahangiri,

Mitchell

et al. 2024

Progress in Engineering Science

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Second law efficiency of air-cooled refrigeration compressors

Arqam,

Jahangiri,

Mitchell

et al. 2024

Progress in Engineering Science

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Multi-Criteria based Decision Model for Evaluation

Utama,

Bin Widayat

2023

2023 6th International Seminar on Research of Information Technology and Intelligent Systems (ISRITI)

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Load Torque Component Extraction and Analysis of Ultra-High-Speed Electric Air Compressors for Fuel Cell Vehicles

Zhou,

Shu,

Zhang

et al. 2024

Actuators

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An ultra-high-speed electric air compressor (UHSEAC) generates a load torque component during operation, leading to unstable output. As air passes through the UHSEAC, the air density changes significantly, resulting in increased uneven distribution. This causes rapid changes in gas parameters, making them difficult to extract. Consequently, the behavior of load torque component variations under ultra-high-speed operating conditions (UHSOC) remains unclear. The influence of UHSOC on the load torque component has not been studied. In this article, the fluid model of the UHSEAC is established and verified, and the load torque component is extracted based on this model. The influence of speed and torque on the load torque component under UHSOC is then studied. The results show that the frequency of the load torque component increases by 14.29% as the speed increases from 70,000 rpm to 90,000 rpm. Additionally, as the torque increases from 1.3 Nm to 1.7 Nm, the amplitude of the load torque component increases by 69.56%. These findings provide valuable guidance for future scholars seeking to optimize UHSEAC design to reduce load torque components.

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An evaluation model for wall heat transfer effects on micro centrifugal compressors and its application in aerodynamic design

Cited by 3 publications

References 29 publications

Second law efficiency of air-cooled refrigeration compressors

Second law efficiency of air-cooled refrigeration compressors

Multi-Criteria based Decision Model for Evaluation

Load Torque Component Extraction and Analysis of Ultra-High-Speed Electric Air Compressors for Fuel Cell Vehicles

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