Numerical simulation of thermal loading produced by shaped high power laser onto engine parts

CORC > 力学研究所 > 中国科学院力学研究所 > 先进制造工艺力学重点实验室

	Numerical simulation of thermal loading produced by shaped high power laser onto engine parts
	Song HW(宋宏伟); Li SX(李少霞); Zhang L(张良); Yu G(虞钢); Zhou L; Tan JS; Song HW; Song HW
刊名	Applied Thermal Engineering
	2010
通讯作者邮箱	songhw@imech.ac.cn
卷号	30 期号:6-7 页码:553-560
ISSN号	1359-4311
通讯作者	Song HW
合作状况	国内
中文摘要	Recently a new method for simulating the thermal loading on pistons of diesel engines was reported. The spatially shaped high power laser is employed as the heat source, and some preliminary experimental and numerical work was carried out. In this paper, a further effort was made to extend this simulation method to some other important engine parts such as cylinder heads. The incident Gaussian beam was transformed into concentric multi-circular patterns of specific intensity distributions, with the aid of diffractive optical elements (DOEs). By incorporating the appropriate repetitive laser pulses, the designed transient temperature fields and thermal loadings in the engine parts could be simulated. Thermal-structural numerical models for pistons and cylinder heads were built to predict the transient temperature and thermal stress. The models were also employed to find the optimal intensity distributions of the transformed laser beam that could produce the target transient temperature fields. Comparison of experimental and numerical results demonstrated that this systematic approach is effective in simulating the thermal loading on the engine parts. (C) 2009 Elsevier Ltd. All rights reserved.
类目[WOS]	Thermodynamics ; Energy & Fuels ; Engineering, Mechanical ; Mechanics
研究领域[WOS]	Thermodynamics ; Energy & Fuels ; Engineering ; Mechanics
关键词[WOS]	FATIGUE BEHAVIOR ; YAG-LASER
收录类别	SCI
资助信息	National Nature Science Foundation of China [10502049]; K.C. Wong Education Foundation of Excellent Young Scholar
原文出处	http://dx.doi.org/10.1016/j.applthermaleng.2009.10.018
语种	英语
WOS记录号	WOS:000275976600003
公开日期	2011-03-01 ; 2011-03-30
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/43699]
专题	力学研究所_先进制造工艺力学重点实验室
通讯作者	Song HW; Song HW
推荐引用方式 GB/T 7714	Song HW,Li SX,Zhang L,et al. Numerical simulation of thermal loading produced by shaped high power laser onto engine parts[J]. Applied Thermal Engineering,2010,30(6-7):553-560.
APA	宋宏伟.,李少霞.,张良.,虞钢.,Zhou L.,...&Song HW.(2010).Numerical simulation of thermal loading produced by shaped high power laser onto engine parts.Applied Thermal Engineering,30(6-7),553-560.
MLA	宋宏伟,et al."Numerical simulation of thermal loading produced by shaped high power laser onto engine parts".Applied Thermal Engineering 30.6-7(2010):553-560.