Characterization of Heat Transfer Rates in an Air to Phase Change Material Thermal Storage Unit for Integration in Air Handling Units
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An air-loop was designed, constructed and instrumented to characterize the heat transfer rates and energy storage potential of a small scale PCM thermal energy storage (TES) unit. The storage unit was custom made and housed multiple aluminum flat plates filled with PCM (RT44HC). The plates were aligned in two rows of 29. Overall, three variables were studied for the characterization: the HTF flow rates, the initial temperature of the PCM and the HTF inlet temperature. An empirical model was created in TRNSYS. This model was used to simulate a PCM TES integrated into an AHU using the integration method of strategic heating with the goal of reducing peak power during start-up. The simulation results were compared to the AHU without PCM TES to determine whether any energy improvements were achieved. It was determined that by adding the PCM TES the start-up peak power could be reduced by 35 kW.
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Copyright © 2018 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2018
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wert-characterizationofheattransferratesinanair.pdf | 2023-05-05 | Public | Download |