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Novel compact sorption generators for car air conditioning.

Author(s) : TAMAINOT-TELTO Z., METCALF S. J., CRITOPH R. E.

Type of article: Article, IJR article

Summary

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°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.

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Pages: 727-733

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Details

  • Original title: Novel compact sorption generators for car air conditioning.
  • Record ID : 2009-1767
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 32 - n. 4
  • Publication date: 2009/06

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