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Experimental investigation of melting and solidification processes of phase change material heat exchanger.

Number: 2034

Author(s) : YANG J., MUEHLBAUER J., BACELLAR D., LING J., AUTE V., HWANG Y.

Summary

Rapid development and validation of PCM embedded heat exchangers (PCM-HX) concepts warrant a purpose-built test bench. This paper describes a test facility built for testing various PCM-HX configurations and phase change temperatures that will serve to validate the performance of novel PCM-HX designs. The entire test rig is placed in a temperature-controlled environmental chamber. Inside the PCM-HX containers, up to 48 T-type thermocouples can be spatially distributed on and around the tubes depending on the HX type to capture the phase change process over time. In this paper, a straight tube embedded in PCM having a phase change temperature of 37°C in cylindrical containers is tested. The PCM-HX uses water as an in-tube working fluid. Based on the measured data, the energy balance is analyzed, and its temperature distribution is presented. The maximum deviation between the predicted stored energy and the energy stored calculated from experimental measurements is less than 5%.

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Pages: 8

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Details

  • Original title: Experimental investigation of melting and solidification processes of phase change material heat exchanger.
  • Record ID : 30028871
  • Languages: English
  • Subject: Technology
  • Source: 13rd IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: (online) Vicenza, Italy, September 1-3, 2021.
  • Publication date: 2021/09/01
  • DOI: http://dx.doi.org/10.18462/iir.PCM.2021.2034

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