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Nondestructive Testing. 2010, (02)

Study of Optimizing Thermal Excitation Signal in Thermal Wave TestingChinese Full Text

ZHANG Wei~1,LIU Tao~1,YANG Zheng-Wei~1,ZHANG Rui-Min~2 (1.203 Staff Office,The Second Artillery Engineering College,Xi’an 710025,China; 2.203 Staff Office,The Second Artillery Qing Zhou Petty Officer College,Qingzhou 262500,China)

Abstract: Selecting thermal stimulating signal is pivotal problems in thermal wave testing.In order to resolve it,beginning with the theory of thermal wave testing,a partial differential equation that could work out temperature distributing of sample was established.By analyzing equation group,the relationship between intensity of thermal stimulation signal and temperature change in direct proportion,which was proved by numerical through ANSYS. This conclusion indicates that,when boosting up intensity of ... More
Keywords：

Thermal wave testing; Temperature change; Intensity of thermal stimulation signal; Proportional relationship; Numerical computing;

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc; (B) Chemistry/ Metallurgy/ Environment/ Mine Industry

  • Subject：

    Metal Science and Metal Technics

  • Classification Code：

    TG115.28

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