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Novel ammonia sorbents "porous matrix modified by active salt" for adsorptive heat transformation : 3. Testing of "BaCl2/vermiculite" composite in a lab-scale adsorption chiller
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Veselovskaya, J. V., Critoph, Robert E., Thorpe, Roger, Metcalf, S., Tokarev, M. M. and Aristov, Yu. I.. (2010) Novel ammonia sorbents "porous matrix modified by active salt" for adsorptive heat transformation : 3. Testing of "BaCl2/vermiculite" composite in a lab-scale adsorption chiller. Applied Thermal Engineering, Vol.30 (No.10). pp. 1188-1192. ISSN 1359-4311
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Official URL: http://dx.doi.org/10.1016/j.applthermaleng.2010.01...
Abstract
A composite adsorbent composed of BaCl2 impregnated into expanded vermiculite has been synthesized and tested in a laboratory scale adsorption chiller. Previous work has established the promising theoretical performance of this adsorbent with ammonia as a refrigerant, in terms of equilibrium uptake, suitable equilibrium temperatures for use in air conditioning applications and good reaction dynamics. Analysis of the adsorption phase revealed a simple exponential approach to equilibrium uptake which was not previously observed in larger scale experiments.
It was demonstrated that this material can provide effective operation of the chiller using a low potential heat source (80-90 degrees C) giving COP as high as 0.54 +/- 0.01 and SCP ranging from 300 to 680 W/kg,. The specific cooling power depends strongly on the driving temperature difference and the cycle duration. (C) 2010 Elsevier Ltd. All rights reserved.
| Item Type: | Journal Article | ||||
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| Subjects: | Q Science > QC Physics T Technology > TJ Mechanical engineering and machinery |
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| Divisions: | Faculty of Science > Engineering | ||||
| Journal or Publication Title: | Applied Thermal Engineering | ||||
| Publisher: | Pergamon-Elsevier Science Ltd. | ||||
| ISSN: | 1359-4311 | ||||
| Official Date: | July 2010 | ||||
| Dates: |
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| Volume: | Vol.30 | ||||
| Number: | No.10 | ||||
| Number of Pages: | 5 | ||||
| Page Range: | pp. 1188-1192 | ||||
| Identification Number: | 10.1016/j.applthermaleng.2010.01.035 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Royal Society (Great Britain), Russian Foundation for Basic Researches | ||||
| Grant number: | 09-08-92604-KO, 08-08-00808 | ||||
| URI: | http://wrap.warwick.ac.uk/id/eprint/5874 |
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