10.1016/j.ijheatmasstransfer.2018.04.034

10.1016/j.ijheatmasstransfer.2018.04.034 International Journal of Heat and Mass Transfer 124 (2018) 1136–1146 Contents lists available at ScienceDirect International Journal of Heat and Mass Transfer journal homepage: www.elsevier.com/locate/ijhmt Heat transfer characteristics of external ventilated path in compact high-voltage motor a,⇑ a a b Yongming Xu , Yajie Jia , Mengmeng Ai , Yaodong Wang School of Electrical & Electronic Engineering, Harbin University of Science and Technology, Harbin, Heilongjiang Province 150080, China School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK ar ti c l e i nf o ab stra ct Article history: This paper investigates the heat transfer characteristics of the external ventilated path of a compact, 6 kV, Received 21 January 2018 4-pole, 2500 kW motor using flow-thermal coordination mechanism. A computational model is set up Received in revised form 18 March 2018 and validated by experimental test results. A series of simulation is performed. It is found that the deflec- Accepted 8 April 2018 tion angle a and outlet angle b of the fan blades are the key parameters affecting the efficiency of the Available online 24 April 2018 cooling effect of the fan. Optimal measures are adopted by changing the deflection angle and outlet angle of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png

10.1016/j.ijheatmasstransfer.2018.04.034

Elsevier — Jun 11, 2020

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Abstract

International Journal of Heat and Mass Transfer 124 (2018) 1136–1146 Contents lists available at ScienceDirect International Journal of Heat and Mass Transfer journal homepage: www.elsevier.com/locate/ijhmt Heat transfer characteristics of external ventilated path in compact high-voltage motor a,⇑ a a b Yongming Xu , Yajie Jia , Mengmeng Ai , Yaodong Wang School of Electrical & Electronic Engineering, Harbin University of Science and Technology, Harbin, Heilongjiang Province 150080, China School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK ar ti c l e i nf o ab stra ct Article history: This paper investigates the heat transfer characteristics of the external ventilated path of a compact, 6 kV, Received 21 January 2018 4-pole, 2500 kW motor using flow-thermal coordination mechanism. A computational model is set up Received in revised form 18 March 2018 and validated by experimental test results. A series of simulation is performed. It is found that the deflec- Accepted 8 April 2018 tion angle a and outlet angle b of the fan blades are the key parameters affecting the efficiency of the Available online 24 April 2018 cooling effect of the fan. Optimal measures are adopted by changing the deflection angle and outlet angle of

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