Show simple item record

AuthorFerwati, M. Salim
AuthorAhmad, Ahmad Mohammad
AuthorTakalkar, Gorakshnath Dadabhau
AuthorBicer, Yusuf
Available date2023-10-03T05:03:01Z
Publication Date2021
Publication NameCase Studies in Thermal Engineering
ResourceScopus
ISSN2214157X
URIhttp://dx.doi.org/10.1016/j.csite.2021.101382
URIhttp://hdl.handle.net/10576/48184
AbstractSolar thermal energy-driven double effect absorption refrigeration system (DE-ARS) for district cooling in smart cities is an efficient, and sustainable alternative for centralized air conditioning and concurrently harnesses low-grade solar energy. This work investigates ionic liquid based H2O-[mmim][DMP] mixture as an alternative working fluid to overcome the drawback of H2O–LiBr driven DE-ARS. The thermodynamic properties of H2O-[mmim][DMP] mixture is evaluated using the excess Gibbs free energy model. Performance modeling and simulation of DEARS is based on both energy and exergy analysis by applying the first and second laws of thermodynamic. The performance, and solution circulation ratio of parallel flow DE-ARS is assessed and optimized under various temperatures and solution distribution ratios. In comparison to the conventional H2O–LiBr, the proposed H2O-[mmim][DMP] working fluid achieves 5.22% and 4.95% improvement in COP and ECOP, respectively at Th/Te/Ta/Tc of 140/5/30/30◦C . An optimization of generator temperature to achieve maximum COP and ECOP is performed for a wide range of evaporation temperature from 5 to 20◦C and Ta/Tc from 30 to 40◦C. An optimization of H2O-[mmim][DMP] mixture driven DE-ARS reveals the uppermost COPmax and ECOPmax of 1.81 and 0.69 for Te of 20◦C and Ta––Tc=30◦C.
SponsorThis publication was made possible by the NPRP grant (NPRP 12S-0304-190230) from the Qatar National Research Fund (a member of Qatar Foundation ). The statements made herein are solely the responsibility of the author (s).
Languageen
PublisherElsevier
SubjectDistrict cooling
Energy and exergy analysis
H2O-[mmim][DMP]
Parallel flow double effect absorption refrigeration cycle
Solution distribution ratio
TitleEnergy and exergy analysis of parallel flow double effect H2O-[mmim][DMP] absorption refrigeration system for solar powered district cooling
TypeArticle
Volume Number28
dc.accessType Open Access


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record