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CO2 cooling and power combined cycle for mobile applications.

Author(s) : CHEN Y., LUNDQVIST P.

Summary

A carbon dioxide cooling and power combined system, which can provide air conditioning and produce power at the same time, is proposed in this paper. The power part of the system can use the energy in automobile exhaust gases to produce electricity for the A/C's compressor, thus both increases the cooling COP and decreases the vehicle's fuel consumption by reducing the compressor's energy demand. Moreover, different factors that influence the cycle's optimum working condition are also discussed. The software Engineering Equations Solver (EES) is used to model and to analyze the system performance. The results show that the proposed combined system can achieve a COP of 3.18 for the cooling part and 12.6% efficiency for the power part under a typical working condition. After transferring the energy gained from the cycle to its compressor, the new COP will be 4.45 and the improvement of COP will be around 40% accordingly.

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Pages: 2006-2

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Details

  • Original title: CO2 cooling and power combined cycle for mobile applications.
  • Record ID : 2007-1720
  • Languages: English
  • Source: 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2006). Proceedings
  • Publication date: 2006/05/29

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