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Numerical evaluation of a propane cooling unit for transportable insulated boxes equipped with eutectic tube TES.

Number: 1166

Author(s) : FABRIS F., MINETTO S., MARINETTI S., ROSSETTI A.

Summary

Traditionally, Cold TES (CTES) has been used in transport refrigeration in the form of eutectic plates mounted inside insulated boxes, especially for last-mile deliveries. Due to their flexibility, these boxes represent a valid option to increase the resilience of the cold chain under emergency situations, like floods, landslides, etc that are becoming more frequent.
To increase the overall sustainability of the entire solution, and to guarantee the accessibility to cheap and widespread refrigerants, this study presents and numerically evaluates the performance of an efficient cooling unit relying on an innovative TES configuration (eutectic tubes) and on natural refrigerant (propane), to replace a baseline cooling unit employing a synthetic refrigerant. The numerical model is validated against experimental data measured on the baseline unit and demonstrates a +12.6% pulldown COP increase of the proposed system compared to baseline under standard test conditions. Considerations regarding propane charge are also included. 

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Pages: 12 p.

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Details

  • Original title: Numerical evaluation of a propane cooling unit for transportable insulated boxes equipped with eutectic tube TES.
  • Record ID : 30034199
  • Languages: English
  • Subject: Technology
  • Source: 1st IIR International Conference on Refrigeration Adapting to Rising Temperatures
  • Publication date: 2025/08
  • DOI: http://dx.doi.org/10.18462/iir.adaptation.2024.1166

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