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Information Seminar Paper

Title

THEORETICAL AND EXPERIMENTAL EVALUATION OF SOME EFFECTIVE FACTORS ON PERFORMANCE COEFFICIENT OF AN AMMONIA ABSORPTION REFRIGERATION CYCLE

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Abstract

 LOW ELECTRICAL ENERGY CONSUMPTION OF ABSORPTION REFRIGERATION CYCLES, INCREASES THE NECESSITY OF RESEARCHING ABOUT THIS CYCLES. IN ADDITION TO LITHIUM BROMIDE ABSORPTION REFRIGERATION IN AIR CONDITIONING, AMMONIA ABSORPTION REFRIGERATION CYCLE IS A SUITABLE CASE FOR REFRIGERATION AT TEMPERATURES UNDER -10 DEGREE OF CELSIUS. IN THIS PAPER EFFECT OF DIFFERENT FACTORS ON COEFFICIENT OF PERFORMANCE WERE STUDIED THEORETICALLY AND EXPERIMENTALLY. AN AMMONIA ABSORPTION REFRIGERATION CYCLE WITHOUT LIQUID/VAPOR HEAT EXCHANGER WAS DESIGNED AND CONSTRUCTED. NECESSARY EXPERIMENTS IN FOUR GROUPS WERE DESIGNED IN ORDER TO EVALUATE THE EFFECT OF GENERATOR, COOLING LIQUID, EVAPORATOR TEMPERATURES ON PERFORMANCE EFFICIENCY. AFTER STARTING THE SYSTEM UP AND CARRYING EXPERIMENTS OUT, RESULTS SHOW THAT INCREASING EVAPORATOR TEMPERATURE ENHANCES PERFORMANCE COEFFICIENT. INCREASING GENERATOR TEMPERATURE REDUCES THE CYCLE PERFORMANCE. THE PERFORMANCE COEFFICIENT IS MAXIMIZED AT A SPECIAL GENERATOR TEMPERATURE.

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