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The Elephant Problem—Determining Bulk Thermal Diffusivity
- Source :
- Energies, Vol 14, Iss 21, p 7444 (2021)
- Publication Year :
- 2021
- Publisher :
- MDPI AG, 2021.
-
Abstract
- This study investigates a measurement method of thermal diffusivity for samples with arbitrary geometries and unknown material properties. The aim is to curve fit the thermal diffusivity with the use of a numerical simulation and transient temperature measurement inside the object of interest. This approach is designed to assess bulk material properties of an object that has a composite material structure such as underground soil. The method creates the boundary conditions necessary to apply analytical theory found in the literature. It was found that measurements best correlated with theory and simulation at positions between the center and surface of an object.
- Subjects :
- thermal diffusivity
measurement method
energy storage
Technology
Subjects
Details
- Language :
- English
- ISSN :
- 19961073
- Volume :
- 14
- Issue :
- 21
- Database :
- Directory of Open Access Journals
- Journal :
- Energies
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.bd527120182e4a1aa60306dfe37a8091
- Document Type :
- article
- Full Text :
- https://doi.org/10.3390/en14217444