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Design & Development of Lab Scale Latent Heat Energy Storage Equipment using Paraffin Wax

Mohd Ali, Munirah (2008) Design & Development of Lab Scale Latent Heat Energy Storage Equipment using Paraffin Wax. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Latent heat storage is a new and developing technology, which has found considerable interest in recent times due to its operational advantages of smaller temperature fluctuation, smaller size and lower weight per unit of storage capacity. For the development of a latent heat thermal energy storage system, the choice of the phase change material (PCM) plays an important role in addition to heat transfer mechanisms in the PCM. In the application of solar thermal energy storage, it is very important to provide the storage of solar energy during the day and then to use this stored energy for water-heating during the evening and night after the sunset. By choosing a suitable phase change material for the latent heat absorbed during the phase change of the material from solid to liquid, large part of solar thermal energy can be stored during daytime and this energy can be used for water-heating at a later time. PCMs can be used to provide this advantage in various heat energy applications. Heat energy storage systems by phase changing materials (PCM) need to identifY the performance limits and optimize processes and cycles with heat energy analysis. A literature review is presented to explain more deeply on latent heat energy storage, types of PCM and the application of PCM as space heating. The latent heat thermal energy storage system is analyzed experimentally. A design for the storage unit whose geometry is consistent with the melting/solidification characteristics of PCMs is introduced. Four kinds of paraffm waxes with different melting temperatures are used as PCMs. At first, the thermophysical properties of the paraffin waxes used are determined through the differential scanning calorimeter (DSC) analysis. Water is used as the heat transfer fluid (HTF). An experimental set-up is also presented to show the basic concepts on the experiments to be done. The next chapter on results and discussion is completed to show the thermal analysis of paraffin waxes, the thermal storage experimental results and heat energy analysis. A conclusion is done to wrap all the information stated in this report.

Item Type: Final Year Project
Academic Subject : Academic Department - Mechanical Engineering - Materials - Engineering materials - Metals alloys - Fabrication
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:55
Last Modified: 25 Jan 2017 09:44
URI: http://utpedia.utp.edu.my/id/eprint/7853

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