Share

IIR document

Experimental study on heat pump operation of prototype CO2 mobile air conditioning system.

Author(s) : HAFNER A.

Summary

The heating-up time of the passenger compartment has to be short even in vehicles with modern direct injection engines. An efficient supplementary heating system is required to meet this need. A prototype CO2 air conditioning system was tested in heat pump mode. The heating capacity was between 2 and 6 kW at ambient temperatures of 5 and -5 °C and the relative humidity was 80%. Frost formation on the exterior heat exchanger surface was the limiting factor. The formation of frost could be delayed by controlling the evaporation pressure with a variable displacement compressor. The air-flow through the exterior heat exchanger was blocked after 15-20 minutes of operation.

Available documents

Format PDF

Pages: 2000-1

Available

  • Public price

    20 €

  • Member price*

    Free

* Best rate depending on membership category (see the detailed benefits of individual and corporate memberships).

Details

  • Original title: Experimental study on heat pump operation of prototype CO2 mobile air conditioning system.
  • Record ID : 2002-0492
  • Languages: English
  • Source: Final proceedings of the 4th IIR-Gustav Lorentzen Conference on Natural Working Fluids at Purdue.
  • Publication date: 2000/07/25

Links


See other articles from the proceedings (65)
See the conference proceedings

Indexing