Design of Experiments to Estimate Temperature Dependent Thermal Properties

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Experimental conditions are studied to optimize transient experiments for estimating temperature dependent thermal conductivity and volumetric heat capacity. Thermal properties are assumed to vary linearly with temperature; a total of four parameters describe linearly varying thermal conductivity and volumetric heat capacity. A numerical model of experimental configurations is studied to determine the optimum conditions to conduct the experiment. The criterion D-optimality is used to study the sensor locations, heating duration and magnitude, and experiment duration for finite and semi-infinite configurations. Results indicate that D-optimality is an order of magnitude larger for the finite configuration and hence will provide estimates with ... continued below

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10 p.

Creation Information

Blackwell, B.F. & Dowding, K.J. July 22, 1999.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA
    Place of Publication: Albuquerque, New Mexico

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Description

Experimental conditions are studied to optimize transient experiments for estimating temperature dependent thermal conductivity and volumetric heat capacity. Thermal properties are assumed to vary linearly with temperature; a total of four parameters describe linearly varying thermal conductivity and volumetric heat capacity. A numerical model of experimental configurations is studied to determine the optimum conditions to conduct the experiment. The criterion D-optimality is used to study the sensor locations, heating duration and magnitude, and experiment duration for finite and semi-infinite configurations. Results indicate that D-optimality is an order of magnitude larger for the finite configuration and hence will provide estimates with a smaller confidence region.

Physical Description

10 p.

Notes

OSTI as DE00009635

Medium: P; Size: 10 pages

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  • Inverse Problems in Engineering: Theory and Practice, Port Ludlow, WA (US), 06/13/1999--06/18/1999

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  • Report No.: SAND99-1910C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 9635
  • Archival Resource Key: ark:/67531/metadc794531

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • July 22, 1999

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

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  • April 6, 2017, 6:41 p.m.

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Blackwell, B.F. & Dowding, K.J. Design of Experiments to Estimate Temperature Dependent Thermal Properties, article, July 22, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc794531/: accessed September 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.