Analysis of direct ground coupled absorber

S. Riffat, S. Wu, K. Eissa and C. Mertzios

International Journal of Low-Carbon Technologies, 2007, vol. 2, issue 3, 312-320

Abstract: This paper discusses a new approach in cooling the absorbent fluid in a vapour absorption refrigerator by directly passing the absorbent fluid through the ground loop. To cope with a possible fairly large flow rate due to using this method, a showerhead spread, an adiabatic vapour absorption type absorber is proposed to incorporate with the ground loop. A mathematical model is developed to simulate the vapour absorption process for this type of absorber. Simulation results from the mathematical model show that the absorption ratio of this absorber is strongly influenced by the diameter of the holes on the showerhead and the initial velocity of the flow entering the absorber vessel. Then some experimental results on the direct ground coupled absorber are presented in the paper for comparison with the indirect arrangement. Copyright , Manchester University Press.

Date: 2007
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