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	Experimental determination of convective heat transfer coefficient in WEDM
	Cheng Gang ; Han Fuzhu ; Feng Zhijing
	2010-05-10 ; 2010-05-10
会议名称	International Technology and Innovation Conference 2006. ITIC 2006 ; International Technology and Innovation Conference 2006. ITIC 2006 ; Hangzhou, China ; INSPEC
关键词	Practical Experimental/ convection coolants discharges (electric) electrical discharge machining temperature measurement wires/ heat transfer convective coefficient WEDM wire electro-discharge machining temperature increment measurement short circuit discharges thermal load coolant flushing pressure/ E1520A Machining E2130 Fluid mechanics and aerodynamics (mechanical engineering) E1620 Measurement E1710 Engineering materials E2120 Heat and thermodynamic processes (mechanical engineering)
中文摘要	An experimental determination method of the convective heat transfer coefficient in WEDM is introduced. A special device is developed to measure the average temperature increment of the wire after a period of short circuit discharges, and the thermal load imposed on the wire is also tracked and recorded in advance. Then, based on the thermal model of the wire, the convective coefficient can be calculated accurately. With this method, the effect of the coolant flushing pressure on the convective coefficient is estimated. Experiments are also carried out inside and outside a previously cut profile to examine the influence of the kerf on the convective coefficient.
会议录出版者	Inst. of Eng. and Technol ; Stevenage, UK
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19459]
专题	清华大学
推荐引用方式 GB/T 7714	Cheng Gang,Han Fuzhu,Feng Zhijing. Experimental determination of convective heat transfer coefficient in WEDM[C]. 见:International Technology and Innovation Conference 2006. ITIC 2006, International Technology and Innovation Conference 2006. ITIC 2006, Hangzhou, China, INSPEC.

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