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Vol. 161, Issue 12, December 2013, pp. 277-280

 

Bullet

 

Simulation of Temperature-field During Rail Air-cooling Quenching Process
 
Fuwei Cheng, Gongfa Li, Guozhang Jiang, Jianyi Kong, Jia Liu, Shao Yang Shi, Yikun Zhang, Wentao Xiao

College of Machinery and Automation, Wuhan University of Science and Technology, China, 430081
Tel.: 15671565179
E-mail: 792407430@qq.com

 

Received: 21 October 2013   /Accepted: 22 November 2013   /Published: 30 December 2013

Digital Sensors and Sensor Sysstems

 

Abstract: Temperature is a vital parameter in quenching process. When cooling style was changing to air cooling, it was necessary to simulate the temperature-field of air cooling quenching. Temperature-field at each time was accomplished. Through numerical expression of experimental heat transfer coefficient curves as well as least squares technique, the heat transfer coefficient at different temperature were calculated to specify the heat transfer coefficient of heavy rail. In this way, the temperature field of heavy rail in air cooling process was obtained simultaneously. It is significantly valuable for parameters' selection in heavy rail's technical operation.

 

Keywords: Temperature field, Air-cooling, Heavy rail.

 

 

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