Journal Published Online: 20 February 2018
Volume 46, Issue 5

Determination of the Thermal Conductivity Tensor of Thermally Orthotropic Materials with Transient Line Heat Source Method

CODEN: JTEVAB

Abstract

The transient line heat source (LHS) method is an effective method for thermal conductivity measurement. In this paper, the LHS method was extended to measuring thermally orthotropic materials based on the theory of heat conduction in orthotropic media. A new method of determining the thermal conductivity tensor of thermally orthotropic materials using the thermal-conductivity-probe (TCP) thermal properties analyzer (LHS method) was proposed. This method was validated by comparing with the guarded hot-plate (GHP) method, based on the results from a test on cherrywood specimens. It appears that the proposed method is able to swiftly determine the thermal conductivity tensor of thermally orthotropic materials. Satisfactory measurements can be obtained if the specimen-needle system under each of the three single measurements is close enough to its corresponding idealized physical system.

Author Information

Chen, Bao
Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai, China
Huang, Yiyi
Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai, China
Zhang, Kang
Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University, Shanghai, China
Cui, Yujun
Laboratoire Navier/CERMES, Ecole des Ponts-ParisTech, Marne-la-Valleé, France
Pages: 12
Price: $25.00
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Stock #: JTE20160646
ISSN: 0090-3973
DOI: 10.1520/JTE20160646