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Journal of Enhanced Heat Transfer
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NUMERICAL SIMULATION ON PULSATING HEAT PIPE WITH CONNECTED-PATH STRUCTURE

Том 28, Выпуск 2, 2021, pp. 1-17
DOI: 10.1615/JEnhHeatTransf.2020035771
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Dongwei Zhang
Center on the Technology and Equipments for Energy Saving in Thermal Energy System of MOE, School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, China
Erhui Jiang
Center on the Technology and Equipments for Energy Saving in Thermal Energy System of MOE, School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China; Institute of Refrigeration and Cryogenics, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Chao Shen
Zhengzhou University
Junjie Zhou
Center on the Technology and Equipments for Energy Saving in Thermal Energy System of MOE, School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, China
Zhuantao He
Center on the Technology and Equipments for Energy Saving in Thermal Energy System of MOE, School of Mechanical and Power Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, China

Краткое описание

The pulsating heat pipe (PHP) has attracted significant attention due to the increasing demand for heat dissipation. This work proposed a novel structure with connected paths to achieve split-flow of working fluids. The numerical methodology was adopted to further study the effect of physical structures on the heat transfer performance of PHP. At first, the geometric model was established in ANSYS Workbench, and the VoF (Volume of Fluid) model was employed to capture the distribution of the interface of gas and liquid phases. Then, the study numerically investigated the effect of connected-path structure at different inclination angles (30°, 45°, and 60°) on the heat transfer performance using Fluent. The results indicated that for the PHP with a connected-path angle of 45° the heat transfer efficiency per unit heat increased by 193.03%, and the thermal resistance decreased 65.59%. However, the application of connected-path structures with 30° and 60° inclination angles would deteriorate the operational performance of PHP.

Ключевые слова: pulsating heat pipe, numerical simulation, heat transfer enhancement
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ЦИТИРОВАНО В

  1. Zhang Dongwei, Jiang Erhui, He Zhuantao, Shen Chao, Zhou Junjie, Effect of ultrasonic on the enhancement of heat transfer for pulsating heat pipe, International Journal of Energy Research, 45, 13, 2021. Crossref

  2. Cheng Lixin, Chai Lei, Guo Zhixiong, THERMAL ENERGY, PROCESS, AND TRANSPORT INTENSIFICATION - A BRIEF REVIEW OF LITERATURE IN 2021 AND PROSPECTS , Heat Transfer Research, 53, 18, 2022. Crossref

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