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Proof of concept car adsorption air conditioning system using a compact sorption reactor

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Critoph, Robert E., Metcalf, Steven John and Tamainot-Telto, Zacharie. (2010) Proof of concept car adsorption air conditioning system using a compact sorption reactor. Heat Transfer Engineering, Vol.31 (No.11). pp. 950-956. ISSN 0145-7632

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Official URL: http://dx.doi.org/10.1080/01457631003604459

Abstract

A prototype compact sorption generator using an activated-carbon ammonia pair based on a plate heat exchanger concept has been designed and built at Warwick University. The novel generator has low thermal mass and good heat transfer. The heat exchanger uses Nickel brazed shims and spacers to create adsorbent layers only 4 mm thick between pairs of liquid flow channels of very low thermal mass. The prototype sorption generator manufactured has been evaluated under the EU car air conditioning testing conditions. While driven with waste heat from the engine coolant water (at 90°C), a pair of the current prototype generators (loaded with about 1 kg of a carbon in each of two beds) has produced an average cooling power of 1.6 kW with 2 kW peaks.

Item Type:	Journal Article
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Automobiles -- Air conditioning, Air conditioning -- Electric equipment, Heat exchangers, Adsorption
Journal or Publication Title:	Heat Transfer Engineering
Publisher:	Taylor & Francis Inc.
ISSN:	0145-7632
Date:	28 January 2010
Volume:	Vol.31
Number:	No.11
Number of Pages:	7
Page Range:	pp. 950-956
Identification Number:	10.1080/01457631003604459
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	European Union (EU)
Grant number:	TST4-CT-2005-012394 (EU)
References:	[1] Mola, S., Centro Richerche Fiat, private communication. [2] Critoph, R. E. and Metcalf, S. J. - Specific cooling power intensification limits in carbon-ammonia adsorption refrigeration systems - Applied Thermal Engineering, Vol. 24, Issues 5- 6, pp. 661-679, 2004. [3] Metcalf, S. J. – Gas-fired adsorption heat pump for domestic gas boiler replacement - International Heat Powered Cycles Conference (HPC 2006), Paper No 06137, Newcastle, UK, September 2006. [4] Holman, J.P. Heat transfer, in: SI Units, seventh ed., McGraw-Hill, 1992, p. 289. [5] Critoph, R.E., ‘Adsorption Refrigerators and Heat Pumps’ from ‘Carbon Materials for Advanced Technologies’, ed. T.D. Burchell, Elsevier, 1999 [6] Dubinin M.M., Astakhov V.A. Adv. Chem. Ser. 102, 69, 1970. [7] Critoph, R.E., Lynch, P., Metcalf S.J. and Tamainot-Telto, Z.- Expanded natural graphite - Active carbon composite for adsorption heat pumps - International Symposium on Innovative Materials for Processes in Energy Systems, Tokyo (Japan), Paper A044, October 2007.
URI:	http://wrap.warwick.ac.uk/id/eprint/3989