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CFD Numerical Analysis of Performance Parameters for Closed Loop Pulsating Heat Pipe using ANSYS FLUENT

  • Unique Paper ID: 165478
  • Volume: 11
  • Issue: 1
  • PageNo: 1506-1511
  • Abstract:
  • Heat Pipe is used for Cooling purpose in Electronics Devices. It is mainly of two type a) Open Loop Heat Pipe and Closed loop Heat Pipe. Closed loop pulsating heat pipe is a device which combines the principles of both thermal conductivity and phase transition to efficiently manage the transfer of heat between two solid interfaces. The performance of Heat pipe depends on various parameters like number of turns, inclination angle, working fluid, filling ratio etc. In this project Analysis of performance parameters was done using CFD on ANSYS Fluent. The results of CFD Analysis are compared with the experimental results mentioned in the various research papers. Also the performance is analyzed with different inputs with the help of Color Contours. In this Study the Geometry of CLPHP with 10 Number of turns was modeled having Inside and Outside diameter of pipe are 3 mm and 4 mm respectively. Length of pipe is 450 mm. The gap between the pipes is 12 mm. Total length of the pipe is 6 m. For getting better results grid independent study is done and element size 5 mm, 2 mm and 3 mm are selected. For Simulation different kind of mesh has been checked and 0.5 mm element size mesh is found optimum and selected for next analysis. Numerical model developed is very useful in observing and analyzing the working phenomenon of CLPHP. Mostly analysis of closed loop pipe was performed in vertical position with different refrigerants having different filling ratio. When the filling ratio of the CLPHP was marked as 50%, highest performance curve was obtained. Thermal contact resistance offered by the CLPHP at this filling ratio was found to be minimum leading to high performance of structure.
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Cite This Article

  • ISSN: 2349-6002
  • Volume: 11
  • Issue: 1
  • PageNo: 1506-1511

CFD Numerical Analysis of Performance Parameters for Closed Loop Pulsating Heat Pipe using ANSYS FLUENT

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UGC Approved
Journal no 47859

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