The thickness of internal dirt can be given based on the outer surface temperature distribution obtained by scanning for the hollow cylinder-shaped heat equipment.So the theoretical basis for testing intemal condition of heat equipment is given.
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康文秀,吴兆奇,关荣华.圆筒热设备内部积垢的红外诊断[J].激光与红外,2008,38(2):135~136 KANG Wen-xiu, WU Zhao-qi, GUAN Rong-hua. Infrared Therm-diagnosis to Internal Dirt of the Hollow Cylinder-shaped Heat Equipment[J]. LASER & INFRARED,2008,38(2):135~136