Journal of Thermal Science and Technology
Online ISSN : 1880-5566
ISSN-L : 1880-5566
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Performance Analysis of Waste Heat Driven Pressurized Adsorption Chiller
Wai Soong LOHBidyut Baran SAHAAnutosh CHAKRABORTYKim Choon NGWon Gee CHUN
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2010 Volume 5 Issue 2 Pages 252-265

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Abstract

This 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.

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© 2010 by The Japan Society of Mechanical Engineers and The Heat Transfer Society of Japan
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