NDLI: Performance Study of a Two Stage Solar Adsorption Refrigeration System

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Performance Study of a Two Stage Solar Adsorption Refrigeration System

Content Provider	Semantic Scholar
Copyright Year	2011
Abstract	The present study deals with the performance of a two stage solar adsorption refrigeration system with activated carbon-methanol pair investigated experimentally. Such a system was fabricated and tested under the conditions of National Institute of Technology Calicut, Kerala, India. The system consists of a parabolic solar concentrator, two water tanks, two adsorbent beds, condenser, expansion device, evaporator and accumulator. In this particular system the second water tank is act as a sensible heat storage device so that the system can be used during night time also. The system has been designed for heating 50 litres of water from 25C to 90C as well as cooling 10 litres of water from 30C to 10C within one hour. The performance parameters such as specific cooling power (SCP), coefficient of performance, solar COP and exergetic efficiency are studied. The dependency between the exergetic efficiency and cycle COP with the driving heat source temperature is also studied. The optimum heat source temperature for this system is determined as 72.4C. The results show that the system has better performance during night time as compared to the day time. The system has a mean cycle COP of 0.196 during day time and 0.335 for night time. The mean SCP values during day time and night time are 47.83 and 68.2, respectively. The experimental results also demonstrate that the refrigerator has cooling capacity of 47 to 78 W during day time and 57.6 W to 104.4W during night time.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.idc-online.com/technical_references/pdfs/mechanical_engineering/PERFORMANCE%20STUDY.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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