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Development of a novel refrigerated transport system using a combination of liquid nitrogen expansion and mechanical vapour compression.

Number: pap. n. 766

Author(s) : TEYSSANDIER E., METCALF P., OWEN N., et al.

Summary

Most transport refrigeration systems use vapour compression cycles, powered by main or auxiliary Diesel engines. A minority use liquid nitrogen, using only the energy of low-pressure vapourisation. The system described uses a vapour cycle driven by a Dearman Engine, a highly efficient Rankine-cycle engine powered by the phase-change expansion of liquid nitrogen. The system uses the synergy between cooling of the vapour compression condenser and a novel heat exchange process in the cryogen expansion cycle, to deliver high efficiency. Analysis, test results and techno-economics show that a practical system can deliver significant savings in operating cost and life-cycle carbon compared to incumbents; the only exhaust is cold nitrogen, offering a significant benefit in local air quality.

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Pages: 8 p.

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Details

  • Original title: Development of a novel refrigerated transport system using a combination of liquid nitrogen expansion and mechanical vapour compression.
  • Record ID : 30015401
  • Languages: English
  • Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
  • Publication date: 2015/08/16
  • DOI: http://dx.doi.org/10.18462/iir.icr.2015.0766

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