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Accurate adsorption isotherms of R134a onto activated carbons for cooling and freezing applications
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Saha, Bidyut Baran, El-Sharkawy, Ibrahim I., Thorpe, Roger and Critoph, Robert E. (2012) Accurate adsorption isotherms of R134a onto activated carbons for cooling and freezing applications. International Journal of Refrigeration, Vol.35 (No.3). pp. 499-505. doi:10.1016/j.ijrefrig.2011.05.002 ISSN 0140-7007.
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Official URL: http://dx.doi.org/10.1016/j.ijrefrig.2011.05.002
Abstract
The objective of this article is to improve the performance of thermally powered adsorption/cooling systems by selecting a new adsorbent/refrigerant pair. Adsorption equilibrium data of R134a onto granular activated carbon (AC) and Unitika activated carbon fiber (ACF) of type (A-20) have been measured experimentally using Rubotherm ISOSORP 2000 within evaporation temperatures range between −20 and 40 °C and adsorption temperatures range from 30 to 80 °C. Experimental data have been correlated using various popular isotherm models. The isosteric heat of adsorption of the assorted adsorbent/refrigerant pairs has also been extracted from the present experimental data.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | International Journal of Refrigeration | ||||
Publisher: | Elsevier Ltd. | ||||
ISSN: | 0140-7007 | ||||
Official Date: | 2012 | ||||
Dates: |
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Volume: | Vol.35 | ||||
Number: | No.3 | ||||
Page Range: | pp. 499-505 | ||||
DOI: | 10.1016/j.ijrefrig.2011.05.002 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published |
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