Experimental investigation of a phase change material charged serpentine heat exchanger with louvered fins.
Number: 0327
Author(s) : YANG J., BACELLAR D., AUTE V., HWANG Y., MUEHLBAUER J.
Summary
Phase change material heat exchangers (PCM-HX) can be used as a latent heat thermal energy storage (LHTES) component in heat pump applications to further enhance the efficiency of a heat pump as well as to yield financial savings by peak-load shifting. In this paper, a low-cost commercially available aluminum serpentine heat exchanger with louvered fins was experimentally investigated to check its thermal performance as a PCM-HX. A transparent rectangular box fabricated from acrylic plates served as a PCM container. Two cameras were used to capture the phase change process of the PCM on the front and top sides of the container during the experiment. A total of 88 installed temperature sensors throughout the test setup and a mass flow meter enabled a quantitative analysis of the PCM-HX as well. The energy balance deviation between the estimated theoretical and experimentally calculated PCM storage was ±14% considering the often-neglected heat loss and thermal mass of the PCM-HX. PCM temperature profiles, charge and discharge rates, and energy densities under different test conditions were also investigated.
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Details
- Original title: Experimental investigation of a phase change material charged serpentine heat exchanger with louvered fins.
- Record ID : 30031125
- Languages: English
- Subject: Technology
- Source: 14th IEA Heat Pump Conference 2023, Chicago, Illinois.
- Publication date: 2023/05/15
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