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Experimental Investigation of Closed Loop Pulsating Heat Pipe Thermal Performance and CFD Validation
Development of efficient cooling system is a challenging task in electronics. Closed loop pulsating heat pipe has a great prospect in the upcoming days for an effective cooling solution due to its excellent characteristics. In this paper the closed loop pulsating heat pipe (CLPHP) setup was prepared of 2 mm internal diameter and in vertical bottom heat mode. Experiments were conducted with DI-water as working fluid for different heat loads. Thermal performance and CFD simulation was carried out to compare experimental results. The VOF model in ANSYS Fluent 17.0 was selected, to analyze phase change process and surface tension effect considered under the surface force model. The simulation was carried out for 10 turns to validate the results with experiment. The CFD simulation with unsteady transient model was successful in reproducing the two phase flow process in CLPHP, together with bubble generation in evaporator section and oscillation caused by the pressure difference. The comparison between experimental results and CFD simulation results of CLPHP were carried out at the same condition.
Experimental Investigation of Closed Loop Pulsating Heat Pipe Thermal Performance and CFD Validation
Development of efficient cooling system is a challenging task in electronics. Closed loop pulsating heat pipe has a great prospect in the upcoming days for an effective cooling solution due to its excellent characteristics. In this paper the closed loop pulsating heat pipe (CLPHP) setup was prepared of 2 mm internal diameter and in vertical bottom heat mode. Experiments were conducted with DI-water as working fluid for different heat loads. Thermal performance and CFD simulation was carried out to compare experimental results. The VOF model in ANSYS Fluent 17.0 was selected, to analyze phase change process and surface tension effect considered under the surface force model. The simulation was carried out for 10 turns to validate the results with experiment. The CFD simulation with unsteady transient model was successful in reproducing the two phase flow process in CLPHP, together with bubble generation in evaporator section and oscillation caused by the pressure difference. The comparison between experimental results and CFD simulation results of CLPHP were carried out at the same condition.
Experimental Investigation of Closed Loop Pulsating Heat Pipe Thermal Performance and CFD Validation
Shailesh D Rajendra (author) / Prof. Dipak A Deshmukh (author) / Dr. Ramkisan S Pawar (author)
2019-04-06
oai:zenodo.org:2631175
Journal of Thermal Engineering and Technology 4(1) 17- 35
Article (Journal)
Electronic Resource
English
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