Análise do uso da absorção amônia-água para aparelhos de ar-condicionado comercial a energia solar

Abstract

The use cycle of ammonia-water absorption refrigeration for commercial purposes has been studying a lot. It is being the application in solar air-conditioning the more researched, for many benefits with this system can to offer. The absorption have how principal benefit a low consumption by energy because different from cycle of compression, it do not use compressor, it is substituted for the generator, pump and absorber, that gives the name to the cycle. Therefore, line up its use with air-conditioning is created an equipment with a reduced cost of energy, it being that in current days the need for refrigeration increase be for conservation of food and physic or for thermic comfort, which makes the decrease of energy spent by these handsets attractive. This can be bigger with use of solar energy, for it decreases the environmental and it is more abundant in hot days, in these days more use air-conditioning and fan, so there many study about it. However the ammonia is a danger compound, and it is using only the industries with can offer safety equipment, so its use in houses need be study for do not threaten the cheers and the life of living beings. This work propose created a program that calculate the efficiency by basic solar cycle of ammonia-water absorption refrigeration and use it with the boundary conditions of an air-conditioning sized for a restaurant, because the conventional calculations involves the interpretation of hard and imprecise diagrams, also was searched on catalogs an appliance with already use this system for comparison of data. So it was analyze with is possible its use for these purpose.