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Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.659 CiteScore™: 1.2

ISSN Печать: 2150-3621
ISSN Онлайн: 2150-363X

International Journal of Energy for a Clean Environment

Ранее издавался как Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.2020029330
pages 1-13

PERFORMANCE EVALUATION OF VAPOR COMPRESSION REFRIGERATION SYSTEM BY VARYING AIR FLOW RATES IN AIR-COOLED AND EVAPORATIVELY COOLED CONDENSERS

Taliv Hussain
Department of Mechanical Engineering, Aligarh Muslim University, Aligarh, India 202002
Amit Kumar Singh
Department of Mechanical Engineering, Aligarh Muslim University, Aligarh, India 202002
Ankur Mittal
Department of Mechanical Engineering, Aligarh Muslim University, Aligarh, India 202002
Ashish Verma
Department of Mechanical Engineering, Aligarh Muslim University, Aligarh, India 202002
Zafar Alam
Department of Mechanical Engineering, Aligarh Muslim University, Aligarh, India 202002

Краткое описание

Increasing the coefficient of performance (COP) of vapor compression refrigeration systems with conventional air-cooled condensers is a required problem especially in areas having adverse ambient conditions. An effective way of tackling this problem is by employing an evaporatively cooled condenser. In this paper, the effect of evaporative cooling on the performance of the vapor compression refrigeration system at three different ambient temperatures of 23°C, 29°C, and 35°C is studied. It also compares the effect of cellulose and steel-wire mesh pads used in an evaporative cooler. The effect on the performance of vapor compression refrigeration system is also evaluated by changing three different air flow rates (i.e., 1.15, 0.93, and 0.88 m/s) in air-cooled and evaporatively cooled condensers. The experimental results show that at 23°C for air flow rate of 0.88 m/s the performance of the system is increased by 2.3% and 1.1% by employing an evaporative cooler using cellulose and steel-wire pads, respectively, as compared to air-cooled condenser. Effect on the performance of the system will be more pronounced if evaporative coolers having high heat transfer coefficients are employed.

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