Abstract
A thermal energy storage system using U-tube heat exchanger is proposed and compared with the system using single-tube heat exchanger. Based on the enthalpy-porosity method, three-dimensional numer...
Highlights
The basic TES techniques can be described as two types: sensible heat thermal energy storage (SHTES) system and latent heat thermal energy storage (LHTES) system.[5]
The phase change materials (PCMs) occupies the space between the tube and the shell, and the heat is transferred from heat transfer fluid (HTF) which is circulated through the tube.[10]
Paraffin RT35 and water are used as the PCM and HTF, respectively
Summary
The basic TES techniques can be described as two types: sensible heat thermal energy storage (SHTES) system and latent heat thermal energy storage (LHTES) system.[5] Compared with the SHTES system, the main advantages of the LHTES system is the ability to provide higher energy storage density at relatively constant transition temperature using phase change materials (PCMs).[6,7,8,9] Among various LHTES systems, shell-andtube system has gained significant research attention due to its simple configuration and low cost. The PCM occupies the space between the tube and the shell, and the heat is transferred from heat transfer fluid (HTF) which is circulated through the tube.[10]
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