Measurement of the thermal conductivity of composites using heat flow sensors | Zendy

Penn B. G. | Zendy; Ledbetter F. E. | Zendy; White W. T. | Zendy; Clemons J. M. | Zendy

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Measurement of the thermal conductivity of composites using heat flow sensors

Author(s) -

Penn B. G.,

Ledbetter F. E.,

White W. T.,

Clemons J. M.

Publication year - 1986

Publication title -

polymer composites

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.577

H-Index - 82

eISSN - 1548-0569

pISSN - 0272-8397

DOI - 10.1002/pc.750070605

Subject(s) - thermal conductivity , materials science , composite material , heat flow , heat flux , conductivity , thermal conductivity measurement , thermal , measure (data warehouse) , matrix (chemical analysis) , heat transfer , thermodynamics , chemistry , physics , database , computer science

A thermal conductivity measuring apparatus that uses heat flow sensors to measure the heat flux through samples was constructed of inexpensive materials. This device was used to measure the thermal conductivity ( k ) of two composites used in the space program that consist of fibrous or granular components embedded in a resin matrix. The k ‐values that were determined ranged from 0.035 to 0.059 Btu/h‐ft 2 ‐°F/ft (−163 to 553°F) and 0.029 to 0.035 Btu/h‐ft 2 ‐°F/ft (77 to 212°F). Thermal conductivity values of the composites conformed to the rule of mixture. The accuracy of the system was found to be comparable to the guarded hotplate and it requires neither a skilled operator nor extensive maintenance.

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