Experimental analysis of a paraffin-based cold storage tank

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Torregrosa-Jaime, Barbara ; López-Navarro, Alejandro ; Corberán, José M. ; Esteban-Matías, J. C. ; Klinkner, L. ; Payá-Herrero, Jorge (2013)
  • Publisher: Elsevier
  • Related identifiers: doi: 10.1016/j.ijrefrig.2013.05.001
  • Subject: Experiment | Latent heat storage | Phase change material | Paraffin | Cold storage | TERMODINAMICA APLICADA (UPV) | MAQUINAS Y MOTORES TERMICOS

[EN] The aim of this study is to characterize a paraffin-based cold storage tank. Novel experimental results are presented for this system which combines a significant amount of paraffin (1450 kg) immersed around 18 spiral-shaped coils disposed in counter-current flow. The paraffin has a phase-change temperature in the range 4 8 °C as measured by a 3-layer calorimeter. Different tests have been carried out with a constant mass flow rate and supply temperature. Around 31% of the paraffin has hardly any contact with the coils and hereby acts as a dead mass. The results show the importance of natural convection within the phase-change-material, particularly during the melting process. The highest efficiency has been achieved for the lowest supply temperatures and mass flow rates of the heat transfer fluid. The authors gratefully acknowledge the fundings from ACCIONA Infraestructuras. Torregrosa-Jaime, B.; López-Navarro, A.; Corberán, JM.; Esteban-Matías, JC.; Klinkner, L.; Payá-Herrero, J. (2013). Experimental analysis of a paraffin-based cold storage tank. International Journal of Refrigeration. 36(6):1632-1640. doi:10.1016/j.ijrefrig.2013.05.001 S 1632 1640 36 6
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