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Thermal Performance Improvement of Domestic Refrigerator with Latent Thermal Energy Storage System

Author(s):

Nilesh Bajirao Kamble , Tssms Padmabhooshan Vasantdada Patil Institute of Technology, Bavdhan, Pune, Maharashtra, India, Pin-411021; Akshay Vishnu Jori, Tssms Padmabhooshan Vasantdada Patil Institute of Technology, Bavdhan, Pune, Maharashtra, India, Pin-411021; Somesh Sureshrao Patil, Tssms Padmabhooshan Vasantdada Patil Institute of Technology, Bavdhan, Pune, Maharashtra, India, Pin-411021; Sourabh Dhansing Gaikwad, Tssms Padmabhooshan Vasantdada Patil Institute of Technology, Bavdhan, Pune, Maharashtra, India, Pin-411021; Mr. Rajendra P. Patil, Tssms Padmabhooshan Vasantdada Patil Institute of Technology, Bavdhan, Pune, Maharashtra, India, Pin-411021

Keywords:

Domestic Refrigerator, Latent Thermal Energy Storage, Phase Change Materials, COP

Abstract

The report presents theoretical studies and experimental investigation was carried out to improve the thermal performance of a domestic refrigerator with latent thermal storage system, highlighting the advantages of use of phase change material (PCM) associated with the evaporator. Phase change materials (PCM) are substances with high latent heat content that freeze and melt at a nearly constant temperature, accumulating or releasing large amounts of energy during the process. The desired working model of domestic refrigerator using (PCM) phase change material is successfully designed and fabricated. It is also successfully tested for working. With PCM, the air temperature is kept constant at 10°C for 12 hours, compared to without PCM where the air temperature rises continuously and rises above 10°C in just 1 hour. As the PCM melts, it absorbs the thermal load that enters the cold storage space, thus limiting the rise in the temperature and maintains a constant temperature inside the cabin during loss of electricity, which may occur due to an accidental power loss or done purposely to achieve electrical load shifting. The analysis of the experiment exemplifies the improvement of a conventional refrigeration system’s COP (Coefficient of performance) considerably.

Other Details

Paper ID: IJSRDV7I30486
Published in: Volume : 7, Issue : 3
Publication Date: 01/06/2019
Page(s): 724-727

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