Performance Analysis of Waste Heat Driven Pressurized Adsorption Chiller
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AbstractThis article presents the transient modeling and performance of waste heat driven pressurized adsorption chillers for refrigeration at subzero applications. This innovative adsorption chiller employs pitch-based activated carbon of type Maxsorb III (adsorbent) with refrigerant R134a as the adsorbent-adsorbate pair. It consists of an evaporator, a condenser and two adsorber/desorber beds, and it utilizes a low-grade heat source to power the batch-operated cycle. The ranges of heat source temperatures are between 55 to 90°C whilst the cooling water temperature needed to reject heat is at 30°C. A parametric analysis is presented in the study where the effects of inlet temperature, adsorption/desorption cycle time and switching time on the system performance are reported in terms of cooling capacity and coefficient of performance. © 2010 by JSME.
CitationLOH WS, SAHA BB, CHAKRABORTY A, NG KC, CHUN WG (2010) Performance Analysis of Waste Heat Driven Pressurized Adsorption Chiller. Journal of Thermal Science and Technology 5: 252–265. Available: http://dx.doi.org/10.1299/jtst.5.252.
SponsorsThis work is the revision and extension of the paper in RE2010 International Conference in Yokohama with the paper number O-He-2-2. The opportunity is gratefully acknowledged. The authors wish to thank the joint A*STAR-MPA grant R-265-000-268-305/490 of Centre of Offshore Research and Engineering (CORE), National University of Singapore, the King Abdullah University of Science and Technology (KAUST), and the World Class University (WCU) Project of the National Research Foundation (R33-2009-000-101660), Korea, for the generous financial support.
PublisherJapan Society of Mechanical Engineers