Influence of Thermal Contact Resistance of Aluminum Foams in Forced Convection: Experimental Analysis
AbstractIn this paper, the heat transfer performances of aluminum metal foams, placed on horizontal plane surface, was evaluated in forced convection conditions. Three different types of contacts between the sample and the heated base plate have been investigated: simple contact, brazed contact and grease paste contact. First, in order to perform the study, an ad hoc experimental set-up was built. Second, the value of thermal contact resistance was estimated. The results show that both the use of a conductive paste and the brazing contact, realized by means of a copper electro-deposition, allows a great reduction of the global thermal resistance, increasing de facto the global heat transfer coefficient of almost 80%, compared to the simple contact case. Finally, it was shown that, while the contribution of thermal resistance is negligible for the cases of brazed and grease paste contact, it is significantly high for the case of simple contact. View Full-Text
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Guarino, S.; Di Ilio, G.; Venettacci, S. Influence of Thermal Contact Resistance of Aluminum Foams in Forced Convection: Experimental Analysis. Materials 2017, 10, 907.
Guarino S, Di Ilio G, Venettacci S. Influence of Thermal Contact Resistance of Aluminum Foams in Forced Convection: Experimental Analysis. Materials. 2017; 10(8):907.Chicago/Turabian Style
Guarino, Stefano; Di Ilio, Giovanni; Venettacci, Simone. 2017. "Influence of Thermal Contact Resistance of Aluminum Foams in Forced Convection: Experimental Analysis." Materials 10, no. 8: 907.
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