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Characteristics of Axial Flow Fan with Diagonal Flow Hub
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English
Abstract
For the combination of radiator and fan working under high flow resistance of radiator system, “the Axial Flow Fan with Diagonal Flow Hub” has been developed.
A study of the useful ranges of the cone angle of diagonal hub and depth of fan, two dimensionless shape parameters are presented and confirmed through experiments.
With One Dimensional Theory and calculation of meridional streamlines by the Stream Curvature Method, diagonal flow effect, especially near the hub, has been discussed.
From the performance tests and flow visualization method by tufts concerning typical combinations of the values of fan depth and cone angle, the better performance and favorable stream conditions are clarified.
On the standard shape of diagonal flow hub putting the results of performance tests into the curves of two shape parameters, the optimum shape regions are presented.
Topic
Citation
Mizuno, T. and Kikuchi, K., "Characteristics of Axial Flow Fan with Diagonal Flow Hub," SAE Technical Paper 900085, 1990, https://doi.org/10.4271/900085.Also In
References
- Ikui, T Inoue, M. “Turbo-Blowers and Compressors,” 105 Corona Pub. Co. 1988
- J.S.M.E Session RC-60 Report 62 Sep. 1984
- Mellin, R.C. “Noise and Performance of Automotive Cooling Fans,” SAE Paper No. 800031 Feb. 1980