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Investigation of the Performance and Flow Behaviors of the Multi-blade Centrifugal Fan Based on the Computer Simulation Technology

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Abstract

The non-uniform flowrate distribution along the axis direction will affect the aerodynamic performance of the multi-blade centrifugal fan. In this article, the bevel cutting design on the blade is adopted. Using this method, the inlet structure is changed and the deviation of the inlet flow of the centrifugal fan is improved. The changed inlet structure reduces the friction and the inlet obstruction, which leads to a more uniform flow distribution, and reduces the impact loss, vortex loss and the drag loss. This paper is focused on the effect of bevel cutting blade on the aerodynamic performance and the flow behaviors of the centrifugal fan, and the bevel cutting area moves along the radial direction and axis direction are also investigated based on the CFD simulation, respectively.

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Acknowledgements

The project was supported by the National Natural Science Foundation of China, Grant Nos. 51106137, 51375444, Technical Innovation Special Project of Hubei Province, Grant No. 2017AAA035.

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Authors and Affiliations

  1. School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, China

    Jianjun Ye, Wenwu Liu, Peng Duan, Xingyu Huang, Junda Shao & Yuan Zhang

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  1. Jianjun Ye
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  2. Wenwu Liu
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  3. Peng Duan
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  4. Xingyu Huang
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  5. Junda Shao
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  6. Yuan Zhang
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Correspondence to Jianjun Ye.

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Ye, J., Liu, W., Duan, P. et al. Investigation of the Performance and Flow Behaviors of the Multi-blade Centrifugal Fan Based on the Computer Simulation Technology. Wireless Pers Commun 103, 563–574 (2018). https://doi.org/10.1007/s11277-018-5461-7

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  • DOI: https://doi.org/10.1007/s11277-018-5461-7

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