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Experimental characterization of an absorption diffusion machine based on light hydrocarbons for solar cooling

R. Garma 1, A. Bellagi 1 and M. Bourouis 2

1 Unité de Recherche de Thermique et Thermodynamique des Procédés Industriels, Ecole Nationale des Ingénieurs de Monastir, ENIM, Université de Monastir, Avenue Ibn Jazzar, Monastir, Tunisia.
2 CREVER- Group of Applied Thermal Engineering, Universitat Rovira I Virgili, Tarragona, Spain.

Abstract

Experimental investigation of an air cooled diffusion-absorption machine operating with a binary light hydrocarbon mixture (n-C4H10/n-C9H20) as working fluid and helium as pressure equalizing inert gas is presented in this paper. The machine is made of copper, an available and very good heat conducting metal, and intended to be powered with solar heat from flat plate or common evacuated tube collectors. The cooling capacity is 30-50 W. Cold is produced at temperatures between -10 and +10°C for driving temperatures in the range 120-150°C.

Keywords

Diffusion-absorption refrigeration cycle, Solar cooling, Light hydrocarbons.

Experimental characterization of an absorption diffusion machine based on light hydrocarbons for solar cooling
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