Study On Thermal Energy Storage Medium In Absorption Refrigeration

Usman Duri, Muharnisyam (2018) Study On Thermal Energy Storage Medium In Absorption Refrigeration. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In an era of modern and globalization, thermal energy storage is one of the good ways to get the heat storage to driven the system especially good to increase the efficiency system. Mostly, thermal energy storage is using to store the cold heat in HVAC system. Without the thermal energy storage, based on the problem in absorption refrigeration like the run out power of the systems cannot be solved. But the mediums for store the heat must be storing the large heat. So that, the objective to run this study is to preparation of test trig and to identify the best candidates for storing the heat from three medium that is paraffin wax, propylene glycol and organic oil (vegetable oil). Based on the objective of this project, the flow work of this study starting from the setup test trig and continue by the data collection to calculated the heating rate, cooling rate, and also heat transfer of mediums. The comparison of mediums is will be defined the best candidate for the selected mediums. Based on the properties of medium like high boiling point (370 °C) and low melting point (37 °C), the best candidate for thermal energy storage medium is paraffin wax (candle) while it is not affecting to the ODP and GWP. It is followed by propylene glycol and organic oil (vegetable oil). It shows the mediums suitable for criteria of the TES mediums. Thermal energy storage medium in absorption refrigeration is the title of this project where the topic discussing about the selected medium for absorption refrigeration.

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