|
|
|
| Precise Determination of the Thermal Conductivity of the Thermal Insulating Metal Material |
| WANG Ji-chao1,LI Han-ping2,WANG Wen1 |
1. Institute of Refrigeration and Cryogenic, Shanghai Jiaotong University, Shanghai 200240, China
2. KTK Group, Changzhou, Jiangsu 213011, China |
|
|
|
|
Abstract The thermal conductivity measurement instrument is designed according to the requirement of the steady-state measurement for thermal resistance,and the controllability of the experimental process is realized by automatic control technique.Through comparison with the standard reference block, the test device satisfies the standard requirements.With this device, some data of thermal conductivity are obtained about the thermal insulating metal material, the temperature range is from 80 ℃ to 220 ℃,the uncertainty of the apparatus is ±1.3%, and the thermal conductivity changs from 0.040 W/(m·K) to 0.053 W/(m·K).
|
|
|
|
|
|
|
|
［1］冉崇富.反射型保温结构［J］.核动力工程,1982,3（6）:81－89.
［2］吴川林.金属反射型保温材料的性能与应用［J］.电力建设,1991,12(11):26-29.
［3］谭沧海,熊杨恒,苏仁伟.多层反射型保温材料传热优化分析［J］.核电工程与技术,2002, （4）:31-37.
［4］Wakeham W A,Nagashima A. Experimental Thermodynamics Vo1.Ⅲ:Measurement of the Transport Properties of Fluids［M］.Oxford:Blackwell Scientific Publications,1991.
［5］胡芃,陈则韶.量热技术和热物性测定［M］.合肥:中国科学技术大学出版社,2009.
［6］杨世铭,陶文铨.传热学［M］.北京:高等教育出版社,1998.
［7］GB10294—88,绝热材料稳态热阻及有关特性的测定——防护热板法［S］.
［8］ASTM Standard C177-04, Standard Test Method for Steady-state Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus［S］.
［9］冯毅,梁满兵.稳态平板导热系数测定仪的误差分析［J］.广州化工,2006,34(1):56-58.
［10］严兆大.热能与动工工程测试技术［M］.北京:机械工业出版社,2005. |
|
|
|
2012, Vol. 33 
