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Heat Pipe Science and Technology, An International Journal

ISSN Print: 2151-7975
ISSN Online: 2151-7991

Archives: Volume 1, 2010 to Volume 8, 2017

Heat Pipe Science and Technology, An International Journal

DOI: 10.1615/HeatPipeScieTech.v5.i1-4.380
pages 343-350

DYNAMIC MODEL OF PHASE CHANGE IN THE CPL EVAPORATOR

Riadh Boubaker
Laboratoire de Thermique, Energétique et Procédés (LaTEP), Université de Pau et des Pays de l'Adour, Rue Jules Ferry, BP 7511, 64075 Pau Cedex, France
Vincent Platel
LaTEP, Université de Pau et des Pays de l'Adour, Quartier Bastillac 65000 Tarbes, France
Sebastien Nicolau
ALSTOM Transport S.A., rue du Docteur Guinier, BP 465601, F-65600 SEMEAC Cedex, France

ABSTRACT

A two dimensional unsteady mathematical model is developed to describe heat and mass transfer in unsaturated porous wick of a flat Capillary Pumped Loop evaporator. The calculation domain is divided in two parts: vapor region and liquid region. The governing equations are solved by the Finite Element Method. The simulations results are presented then for a sintered nickel wick and methanol as a working fluid. The dynamic and thermodynamic behavior of the working fluid in the capillary structure are discussed in this paper.


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