NDLI: Investigations on water–LiBr-based absorption refrigerator with solar parabolic dish in cogeneration mode

Content Provider	IET Digital Library
Author	Shukoor, Pathuthara Abdul Reddy, Kalvala Srinivas
Abstract	Here, performance of 11 kW solar-powered lithium bromide water absorption chillers in cogeneration mode is investigated. A 40 m2 solar parabolic dish of 19 kWth capacity is used for both processes heating and cooling. Extensive thermodynamic design and analysis are carried out, and the results obtained are validated. Parabolic dish and cavity receiver are sized for Chennai (13°N, 80.18°E), India. In the present analysis, a new performance parameter COPWE is introduced by replacing the thermal input component in the calculation of COP, by an equivalent amount of high-grade energy. Both physical and chemical exergy at all state points of the chiller are estimated and found that total irreversibility is about 2.37 kW in desorber followed by absorber which is 0.41 kW. The developed model estimates solution concentration at the exit of solution expansion valve (SEV) that is important since it affects absorption of refrigerant in the absorber.
Starting Page	2310
Ending Page	2318
Page Count	9
ISSN	17521416
Volume Number	13
e-ISSN	17521424
Issue Number	Issue 13, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/13/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2018.5285
Journal	IET Renewable Power Generation
Publisher Date	2019-06-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Absorption Absorption Refrigerator Cavity Receiver Chennai Cogeneration Cogeneration Mode Cooling Engineering Material Exergy Heat And Thermodynamic Processes LiBr Lithium Compound Mechanical Engineering Parabolic Dish Power 0.41 KW Power 11.0 KW Power 2.37 KW Processes Heating Refrigerants Refrigeration Solar Parabolic Dish Solar-powered Lithium Bromide Water Absorption Chillers Solution Expansion Valve Thermal Power Stations And Plant Thermodynamic Design Thermodynamics Water–LiBr
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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