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Development of a novel refrigeration system for refrigerated trucks incorporating phase change material

  • Liu, Ming
  • Saman, Wasim
  • Bruno, Frank
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    An innovative refrigeration system incorporating phase change material (PCM) is proposed to maintain refrigerated trucks at the desired thermal conditions. The advantage of using PCM to maintain low temperatures is that a conventional refrigeration system does not have to be located on-board the vehicle. In addition, the system consumes less energy and produces much lower local greenhouse gas (GHG) emissions. The phase change thermal storage unit (PCTSU) is charged by a refrigeration unit located off the vehicle when stationary. The PCM is discharged and provides cooling when in service. A new PCM with a lower cost than currently available PCMs was developed, suitable for maintaining the refrigerated truck at a temperature of −18°C. The PCM has a melting temperature of −26.7°C and a latent heat of 154.4kJkg−1. A prototype system was constructed and test results proved that the proposed refrigeration system is feasible for mobile transport. An analysis shows that delivery of refrigerated products can be made with a PCM system having a weight comparable to that of an on board conventional refrigeration system with less than half of the energy cost.

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    Article provided by Elsevier in its journal Applied Energy.

    Volume (Year): 92 (2012)
    Issue (Month): C ()
    Pages: 336-342

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    Handle: RePEc:eee:appene:v:92:y:2012:i:c:p:336-342
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