Performance and flow condition of small-sized axial fan and adoption of contra-rotating rotors |
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| Authors: | Toru Shigemitsu J. Fukutomi Y. Okabe |
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| Affiliation: | [1]Institute of Technology and Science, The University of Tokushima, 2-1 Minamijyosanjima-cho, Tokushima 770-8506, JAPAN [2]Graduate School of Advanced Technology and Science, The University of Tokushima, 2-1 Minamijyosanjima-cho, Tokushima 770-8506, JAPAN |
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| Abstract: | Small-sized axial fans are used as air coolers for electric equipments.But there is a strong demand for higher power of fans according to the increase of quantity of heat from electric devices.Therefore,higher rotational speed design is conducted,although it causes the deterioration of the efficiency and the increase of noise.Then the adoption of contra-rotating rotors for the small-sized axial fan is proposed for the improvement of the performance.In the present paper,the performance and the internal flow ... |
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| Keywords: | Small-sized axial fan Contra-rotating rotors Numerical analysis Performance Internal flow |
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