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Heat conduction in multiphase systems—II: Experimental method and results for three-phase systems

✍ Scribed by I. Nozad; R.G. Carbonell; S. Whitaker

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
519 KB
Volume
40
Category
Article
ISSN
0009-2509

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✦ Synopsis

transient method has been used to determine effective thermal conductivities for two-and three-phase systems and the theory described in Part I of this paper has been extended to three-phase systems. The scope of the experimental measurements included three fluids (air, glycerol, and wafer) and five solids (glass, stainless steel, bronze, urea-formaldehyde, and aluminum) with particle diameters ranging from 2.5 to 4.0mm. The measured values of the effective thermal conductivity for three-phase systems were generally higher than the theoretical values, and it is clear that this is caused by a failure to incorporate the contact point heat conduction process into our mode1 of three-phase systems.

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