多翼离心风机风叶和蜗壳径向间隙对风管机风量

doi:10.19784/j.cnki.issn1672-0172.2022.02.018

Abstract

Abstract: Using fluent software numerical simulation analysis and comparison of the same kind of multi-blade centrifugal fan blades and volute radial clearance on the air volume of the air duct machine, at the same time, through experiments to test the air volume and noise. It is analyzed that after increasing the radial clearance between the blades and the volute, the impact of the blade outflow and the volute is accelerated, the air volume of the duct machine will increase by 2.3% to 4.7%, and the noise of the duct machine will increase by 0.2 dB(A) to 1.5 dB(A). When designing the air duct machine, it is possible to appropriately adopt the way that the fan blades and the volute are not concentric to increase the air volume, which provides theoretical and experimental basis for the subsequent design and development of the air conditioner.

Key words: Multi-wing, Centrifugal fan, Radial clearance, Air volume, Noise

CLC Number:

TQ021.1

CAO Ying, DU Hui, ZHU Jiangcheng, JIANG Biao. Research on the influence of the radial clearance of multi-wing centrifugal fan blades, volute on the air volume, noise of air conditioner[J]. Journal of Appliance Science & Technology, 2022, 0(2): 98-101.

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Research on the influence of the radial clearance of multi-wing centrifugal fan blades, volute on the air volume, noise of air conditioner

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