The Elephant Problem—Determining Bulk Thermal Diffusivity

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...

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Autores principales:	Robert Beaufait, Sebastian Ammann, Ludger Fischer
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	thermal diffusivity measurement method energy storage Technology T
Acceso en línea:	https://doaj.org/article/bd527120182e4a1aa60306dfe37a8091
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spelling	oai:doaj.org-article:bd527120182e4a1aa60306dfe37a80912021-11-11T16:09:43ZThe Elephant Problem—Determining Bulk Thermal Diffusivity10.3390/en142174441996-1073https://doaj.org/article/bd527120182e4a1aa60306dfe37a80912021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7444https://doaj.org/toc/1996-1073This 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.Robert BeaufaitSebastian AmmannLudger FischerMDPI AGarticlethermal diffusivitymeasurement methodenergy storageTechnologyTENEnergies, Vol 14, Iss 7444, p 7444 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	thermal diffusivity measurement method energy storage Technology T
spellingShingle	thermal diffusivity measurement method energy storage Technology T Robert Beaufait Sebastian Ammann Ludger Fischer The Elephant Problem—Determining Bulk Thermal Diffusivity
description	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.
format	article
author	Robert Beaufait Sebastian Ammann Ludger Fischer
author_facet	Robert Beaufait Sebastian Ammann Ludger Fischer
author_sort	Robert Beaufait
title	The Elephant Problem—Determining Bulk Thermal Diffusivity
title_short	The Elephant Problem—Determining Bulk Thermal Diffusivity
title_full	The Elephant Problem—Determining Bulk Thermal Diffusivity
title_fullStr	The Elephant Problem—Determining Bulk Thermal Diffusivity
title_full_unstemmed	The Elephant Problem—Determining Bulk Thermal Diffusivity
title_sort	elephant problem—determining bulk thermal diffusivity
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/bd527120182e4a1aa60306dfe37a8091
work_keys_str_mv	AT robertbeaufait theelephantproblemdeterminingbulkthermaldiffusivity AT sebastianammann theelephantproblemdeterminingbulkthermaldiffusivity AT ludgerfischer theelephantproblemdeterminingbulkthermaldiffusivity AT robertbeaufait elephantproblemdeterminingbulkthermaldiffusivity AT sebastianammann elephantproblemdeterminingbulkthermaldiffusivity AT ludgerfischer elephantproblemdeterminingbulkthermaldiffusivity
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The Elephant Problem—Determining Bulk Thermal Diffusivity

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