Tamainot-Telto, Zacharie, Metcalf, Steven J. and Critoph, Robert E. (2009) Novel compact sorption generators for car air conditioning. International Journal of Refrigeration, Vol.32 (No.4 Sp. Iss.). pp. 727-733. doi:10.1016/j.ijrefrig.2008.11.010

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Abstract

A prototype compact generator using the activated carbon-ammonia pair based on the 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 was evaluated under EU car air conditioning test conditions.

The prototype sorption generator is described and its experimental performance reported. While driven with waste heat from the engine coolant water (at 90 degrees C), a pair of the current prototype generators (loaded with about 1 kg of activated carbon) operating out of phase has produced an average cooling power 1.6 kW with about 2 kW peaks. The typical average COP obtained is 0.22.

Item Type:	Journal Article
Alternative Title:	Nouveau générateur compact à sorption pour le conditionnement d’air automobile
Subjects:	Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering T Technology > TP Chemical technology
Divisions:	Faculty of Science > Engineering
Library of Congress Subject Headings (LCSH):	Automobiles -- Air conditioning, Carbon, Activated, Adsorption, Ammonia, Heat recovery, Prototypes, Engineering, Electric generators
Journal or Publication Title:	International Journal of Refrigeration
Publisher:	Elsevier Ltd.
ISSN:	0140-7007
Official Date:	June 2009
Dates:	Date Event June 2009 Published
Volume:	Vol.32
Number:	No.4 Sp. Iss.
Number of Pages:	7
Page Range:	pp. 727-733
DOI:	10.1016/j.ijrefrig.2008.11.010
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)
Version or Related Resource:	Paper previously presented at: International Sorption Heat Pump Conference (ISHPC 2008), Seoul, South Korea, 23-26 Sept, 2008.

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