Study of the gas-flow and heat-transfer in the wedge-shaped air gap of evaporation cooling turbo generator

Author

Gao, Jinshui ; Guo, Hui ; Xiong, Bin ; Gu, Guobiao

Author_Institution

Inst. of Electr. Eng., Chinese Acad. of Sci., Beijing, China

fYear

2009

fDate

15-18 Nov. 2009

Firstpage

1

Lastpage

4

Abstract

Turbo generator with evaporative cooling stator and water cooling rotor possesses many excellent qualities for mid unit. The stator bars and core are immersed in evaporative coolant, which could be cooled fully. The rotor bars are cooled by water inner cooling mode. This paper presents the study of gas-flow and heat-transfer with different features in the turbo generator, and analyzing it by CFD. At last, the study provides foundation for the calculation of gas-flow and heat-transfer.

Keywords

computational fluid dynamics; cooling; heat transfer; rotors; stators; turbogenerators; CFD; evaporation cooling turbo generator; evaporative coolant; gas-flow; heat-transfer; rotor bars; stator bars; water cooling rotor; wedge-shaped air gap; Coolants; Cooling; Engine cylinders; Power generation; Rotors; Stator cores; Stator windings; Trigeneration; Turbines; Turbogenerators; Evaporation cooling; Taylor Vortex; Turbo Generator; air flow;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems, 2009. ICEMS 2009. International Conference on

Conference_Location

Tokyo

Print_ISBN

978-1-4244-5177-7

Electronic_ISBN

978-4-88686-067-5

Type

conf

DOI

10.1109/ICEMS.2009.5382933

Filename

5382933