Investigation of thermal characteristics of strontium chloride composite sorbent for sorption refrigeration

Tang, K., Lu, Y. , Jiang, L., Wang, L., Wang, Y., Roskilly, A. P. and Yu, X. (2019) Investigation of thermal characteristics of strontium chloride composite sorbent for sorption refrigeration. Thermal Science and Engineering Progress, 10, pp. 179-185. (doi: 10.1016/j.tsep.2019.01.020)

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Thermal characteristics such as thermal conductivity, permeability, and sorption kinetics, which determines the overall sorbent performance, play as the critical roles in the sorption refrigeration system. In this paper, composite strontium chloride (SrCl2) developed with a host matrix of Expanded Natural Graphite (ENG) has been comprehensively investigated under different densities and mass ratios of salt. Results indicate that the composite sorbent has overall good heat and mass transfer performance. The highest thermal conductivity is 3.07 W/(m.K), which is 15 times higher than normal granular SrCl2. The permeability of composite sorbent ranges from 9.5 × 10−10 to 9.36 × 10−14 m2. Sorption performance of composite SrCl2 has also been tested, and the results showed that for the sorption amount ranged between 400 and 700 (g/kg SrCl2) ammonia at 40 min in the adsorption process. These quantitative results obtained from this study can be used as crucial parameters to conduct the simulation modelling for the SrCl2-ENG sorption system.

Item Type:Articles
Additional Information:The authors would like to thank the supports by EPSRC from the EPSRC Prosperity Outcomes Award 2016 (EP/P511201/1)-Study of carbon based Nanomaterial to Enhance heat transfer and efficiency in Chemisorption Cogeneration system, EPSRC IAA- Study of engine waste heat technologies (EP/K503885/1), from NSFC-RS Joint Project under the grant number No. 5151101443 and IE/151256, National Natural Science Foundation of China for general program (Grant No. 51606118), Innovative Research Groups (Grant No. 51521004), and by Engineering and Physical Science Research Council of the UK for IDRIST project (EP/M008088/1).
Glasgow Author(s) Enlighten ID:Lu, Dr Yiji
Authors: Tang, K., Lu, Y., Jiang, L., Wang, L., Wang, Y., Roskilly, A. P., and Yu, X.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Thermal Science and Engineering Progress
Published Online:31 January 2019
Copyright Holders:Copyright © 2019 Elsevier Ltd.
First Published:First published in Thermal Science and Engineering Progress 10:179-185
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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