Performance analysis of air cycle refrigerator integrated desiccant system for cooling and dehumidifying warehouse |
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Authors: | S.S. Elsayed T. Miyazaki Y. Hamamoto A. Akisawa T. Kashiwagi |
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Affiliation: | aGraduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Naka-cho 2-24-16, Koganei-shi, Tokyo 184-8588, Japan;bDepartment of Mechanical Engineering Science, Kyushu University, 6-10-1 Hakozaki, Higashi-Ku, Fukuoka 812-8581, Japan |
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Abstract: | In this paper, the performance of air cycle refrigerator integrated desiccant system used to cool and dehumidify warehouse is analyzed theoretically. Simulation analysis is carried out to calculate the system coefficient of performance, cooling effects and the humidity change under different values of pressure ratio, storage zone temperature inside dock and outdoor air conditions. Also, the effect of the air cycle and the rotor parameters on the system performance is evaluated. From the simulation result it is found that, the desiccant system has the ability to supply air to the dock area at very low humidity. The system coefficient of performance increases due to the exhaust heat recovery on the desiccant system, and this enhancement can be more than 100%. The coefficient of performance of the proposed system is greater than that of a conventional system under the same operating conditions. |
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Keywords: | Compression system Modelling Simulation Thermodynamic cycle Air Cold store Desiccant Dehumidification PerformanceMots clé s: Systè me à compression Modé lisation Simulation Cycle thermodynamique Air Entrepô t frigorifique Dé shydratateur Dé shumidification Performance |
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