Influence of the ambient temperature during heat pipe manufacturing on its function and heat transport ability

Department of power engineering, University of Žilina, Univerzitná 8215/1, Žilina, Slovakia

^a Corresponding author: alexander.caja@fstroj.uniza.sk

Published online: 25 March 2014

Abstract

Heat pipe is heat transfer device working at a minimum temperature difference of evaporator and condenser. Operating temperature of the heat pipe determine by properties of the working substance and pressure achieved during production. The contribution is focused on the determining the effect of the initial surrounding temperature where the heat pipe is manufactured and on the obtaining performance characteristics produced heat pipes in dependence of manufacturing temperature. Generally hold, that the boiling point of the working liquid decrease with decreasing ambient pressure. Based on this can be suppose that producing of lower ambient temperature during heat pipe manufacturing, will create the lower pressure, the boiling point of the working fluid will lower too and the heat pipe should be better performance characteristics.