Non-Steady-State Measurements of the Thermal Conductivities of Liquid Polyphenyls

A line source technique has been developed for non-steady-state measurements of the therm al conductivities of liquids over an extended range of temperature. The accuracy of the method, which is an absolute one, has been critically exam ined. T hermal conductivities of liquid benzene, toluene, diphe...

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Bibliographic Details
Published in:Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences Mathematical and physical sciences, 1963-05, Vol.273 (1353), p.259-274
Main Authors: Horrocks, J. K., McLaughlin, E.
Format: Article
Language:English
Subjects:
Coefficients
Convection
Heat
Liquids
Molecules
Temperature dependence
Temperature distribution
Temperature measurement
Thermal conductivity
Viscosity
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Summary:A line source technique has been developed for non-steady-state measurements of the therm al conductivities of liquids over an extended range of temperature. The accuracy of the method, which is an absolute one, has been critically exam ined. T hermal conductivities of liquid benzene, toluene, diphenyl, o-,m - and^p-terphenyl, estimated to be accurate to + 0*25 % , have been obtained. These results are discussed in terms of the effect of structure on the transport properties of liquids and the relation between the coefficient of thermal expansion and the temperature dependence of thermal conductivity.
ISSN:1364-5021
0080-4630
1471-2946
2053-9169
DOI:10.1098/rspa.1963.0087