PCM Melting Rate Via Internal Fin and Nanoparticles
$100.00 $40.00 HPC
- This project explores the simulation of phase change material (PCM) melting within a 2D cavity, utilizing internal fins and nanoparticles to enhance thermal performance.
- The cavity, measuring 20mm in width and filled with paraffin wax, features a left wall and fin maintained at a constant temperature of 350K, while the right wall is kept at 300K, with other walls insulated.
- Simulations conducted over 375 seconds revealed that heat transfer occurs due to a temperature gradient, initiating phase change once the PCM reaches its melting temperature.
- Results indicated that 35.65% of the material was melted by the end of the simulation, providing critical insights into heat transfer efficiency and the influence of design parameters on PCM behavior in thermal systems.
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Description
PCM Melting Rate Via Internal Fin and Nanoparticles CFD Simulation by ANSYS Fluent
Project Description:
In this project, we aim to simulate the PCM melting inside a 2D cavity using internal fin & nanoparticles, which setup uses” Enhancement of PCM melting rate via internal fin and nanoparticles “ paper.
Geometry and Mesh:
The geometry of the PCM project is created using Design Modeler software—the cavity, with a size of W = 20 mm, filled with paraffin wax. The geometry is inserted into the Ansys Meshing Software, and approximately 10,000 structure cells are generated.
Methodology:
First, the gravitational acceleration is taken into account. Moreover, in the paper, some of the thermo-physical properties of PCM were applied using user-defined functions (UDFs). Thus, we had to seek the properties in some key points and use a polynomial linear model instead. Note that the properties of the material, which is a mixture of paraffin-wax & CuO, were calculated. The left wall and the fin are maintained at a constant temperature of 350 K, while the right wall is maintained at 300 K. Additionally, the other walls are assumed to be insulated. We have selected the case with a w/W ratio of 0.5 specification.
Results:
After 375 seconds of simulation, the results were extracted. As illustrated in the figure below, heat is transferred from the left wall to the right wall due to a temperature gradient. As the temperature in a region gets to PCM melting temperature, it starts to change phase. After 375 seconds, just 35.65% of the material is melted.
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