Journal
APPLIED ENERGY
Volume 174, Issue -, Pages 15-24Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2016.04.080
Keywords
Adsorption; Refrigeration; Ethanol; Activated carbon
Categories
Funding
- PON Ricerca e Competitivita in the frame of the project Tecnologie ad alta Efficienza per la Sostenibilita Energetica ed ambientale On board, TESEO [02_00153_2939517]
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In the present paper design, realization and testing of a novel small scale adsorption refrigerator prototype based on activated carbon/ethanol working pair is described. Firstly, experimental activity has been carried out for identification of the best performing activated carbon available on the market, through the evaluation of the achievable thermodynamic performance both under air conditioning and refrigeration conditions. Once identified the best performing activated carbon, the design of the adsorber was developed by experimental dynamic performance analysis, carried out by means of the Gravimetric-Large Temperature Jump (G-LTJ) apparatus available at CNR ITAE lab. Finally, the whole 0.5 kW refrigerator prototype was designed and built. First experimental results both under reference air conditioning and refrigeration cycles have been reported, to check the achievable performance. High Specific Cooling Powers (SCPs), 95 W/kg and 50 W/kg, for air conditioning and refrigeration respectively, were obtained, while the COP ranged between 0.09 and 0.11, thus showing an improvement of the current state of the art. (C) 2016 Elsevier Ltd. All rights reserved.
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