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《Journal of Engineering Thermophysics》 1983-01
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ON THE EFFECT OF HEAT CAPACITY OF THE HEATER FOR PLANE HEAT SOURCE METHOD WITH CONSTANT HEAT RATE TO DETERMINE SIMULTANEOUSLY THE THERMAL DIFFUSIVITY AND CONDUCTIVITY OF INSULATING MATERIALS

Wang Buxuan Han Lizhong Deng Xiaoxue (Tsinghua University)Fang Zhaohong (Shandong Architeetual Engineering College)  
In this paper, eqs. (1)-(2) and (6), i.e. the theoretical basis of the plane heat source method with constant heat rate, are well discussed with further consideration of the effect of heat capacity W = PoCoδo watts/m2 of the plane heater. The normalizedtemperature of the sample plate is obtained as eq. (11). As pointedout by eqs. (3)-(5), the deviations and were calculated and plottedin Figs. 3-6, which can be realized as the approximate eqs. (17) and (16). The revised value of measured thermal conductivity λand that of thermal diffusivity a can be calculated from eqs. (18) and (19) respectively. Such revision would be necessary and practical for measuring the very light insulating materials as shown in Tab. 2.
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1 Wang Bu-xuan, Han Li-zhong, Wang Wei-cheng, Jiao Zhi-lin(Thermal Engineering Department, Tsinghua University);A PLANE HEAT SOURCE METHOD FOR SIMULTANEOUS MEASUREMENT OF THE THERMAL DIFFUSIVITY α AND CONDUCTIVITY λ OF INSULATING MATERIALS WITH CONSTANT HEAT RATE[J];Journal of Engineering Thermophysics;1980-01
【Co-citations】
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1 MING Kai,LIU Bin,WEN Guang(Dept.of Refrigeration and HVAC Engineering,Tianjing University of Commerce,Tianjin 300134,China);Application of Measuring Method of Thermal Conductivities[J];Storage and Process;2005-06
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3 Wang Bu-xuan Ken Ze-pei (Tsinghua University);RESEARCH ON THE APPLICATION OF TWIN-PLATE DEVICE FOR MEASUREMENT OF THE THERMAL CONDUCTIVITY TO DETERMINE THE THERMAL DIFFUSIVITY OF INSULATING MATERIALS[J];Journal of Engineering Thermophysics;1981-03
4 Wang Buxuan Ren Zepei Fang Zhaohong(Tsinghua University);MEASURING METHOD AND ERROR ANALYSIS FOR DETERMINING THE THERMAL DIFFUSIVITY OF LOW-CONDUCTIVITY MATERIALS WITH A CONVENTIONAL TWIN-PLATE DEVICE[J];Journal of Engineering Thermophysics;1982-01
5 Wang Buxuan Wang Ren (Tsinghua University);ON THE THERMAL CONDUCTIVITY OF MOIST POROUS BUILDING MATERIALS[J];Journal of Engineering Thermophysics;1983-02
6 Wang Buxuan(Tsinghua University)Fang Zhaohong(Shandong Institute of Architectural Eng.);A THEORETICAL STUDY ON THE HEAT AND MASS TRANSFER IN WET POROUS BUILDING MATERIALS[J];Journal of Engineering Thermophysics;1985-01
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9 WANG Deng-gang1, LIU Ying-xi2, LI Shou-ju2, LI Feng-zhi2 (1. Department of Building Engineering, Tongji University, Shanghai 200092, China; 2. State Key Lab of Struct Anal of Ind Equip, Dalian University of Technology, Dalian 116024, China);Inverse heat conduction problem for identifying thermal conductivity and thermal diffusivity simultaneously[J];Journal of University of Shanghai For Science and Technology;2001-03
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【Co-references】
Chinese Journal Full-text Database 9 Hits
1 Wang Bu-xuan, Han Li-zhong, Wang Wei-cheng, Jiao Zhi-lin(Thermal Engineering Department, Tsinghua University);A PLANE HEAT SOURCE METHOD FOR SIMULTANEOUS MEASUREMENT OF THE THERMAL DIFFUSIVITY α AND CONDUCTIVITY λ OF INSULATING MATERIALS WITH CONSTANT HEAT RATE[J];Journal of Engineering Thermophysics;1980-01
2 Wang Bu-xuan Ken Ze-pei (Tsinghua University);RESEARCH ON THE APPLICATION OF TWIN-PLATE DEVICE FOR MEASUREMENT OF THE THERMAL CONDUCTIVITY TO DETERMINE THE THERMAL DIFFUSIVITY OF INSULATING MATERIALS[J];Journal of Engineering Thermophysics;1981-03
3 Wang Buxuan Wang Ren (Tsinghua University);ON THE THERMAL CONDUCTIVITY OF MOIST POROUS BUILDING MATERIALS[J];Journal of Engineering Thermophysics;1983-02
4 Gu Yuqin(Tsinghua University);APPLICATION OF PARAMETER ESTIMATION IN MEASURING THERMOPHYSICAL PROPERTIES[J];Journal of Engineering Thermophysics;1987-01
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7 LIU Guangting1,HUANG Dahai2(1. Department of Hydraulic and Hydropower Engineering, Tsinghua University, Beijing 100084, China;) (2. Department of Civil Engineering, Beihang University, Beijing 100083, China);Summary of Coupled Temperature and Moisture Transfer of Concrete[J];Journal of Building Materials;2003-02
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