Jul 1, 2023 · Heat pipe technology is widely used for the extraction of deep geothermal energy [202] which can be found at a depth of 3–10 km from the ground surface. It is a low-carbon energy and can be used as an alternative to fossil fuels. Heat pipe transfers heat from the high to low temperature by the phase change of the working fluid.

The heat pipe Type C has two layers of 50-mesh wick. The three kinds of heat pipe containers are all made of SUS316L steel pipes of 25.4mm in diameter and 1000mm in length. The container of the heat pipe Type A is 3.0mm in thickness, whereas the one of the heat pipes of Type B and Type C is 1.5mm in thickness respectively.

Nov 1, 2023 · Based on the driving force, heat pipes are categorized as gravity-assisted heat pipes, capillary-driven heat pipes, rotating heat pipes, electrohydrodynamic-driven heat pipes, magnetohydrodynamic-driven heat pipes, etc., as shown in Fig. 1 (c). The research object of the paper is the high-temperature capillary-driven heat pipe adopted liquid ...

Jun 1, 2017 · The heat pipe radiator was designed to overcome the disadvantages of the pumped loop radiator due to its isothermal characteristics, lower mass and high operational limits. The heat pipe radiator characteristics were analysed and compared with a pumped loop radiator using numerical calculations.

Oct 18, 2024 · Optimization of heat pipe is crucial for the heat transfer performance [3]. However, the traditional heat pipe design methods [[4], [5], [6]], which rely on subjective judgment and experience, are labor-intensive, low efficiency and prone to unpredictable human errors. Furthermore, these methods may not yield the optimal structural parameters ...

Heat pipe designs for thermal management: (A) graphene-based heat pipe which provides heat dissipation capacity of 7230 W m −2 K −1 g −1, about 3.5 times higher than that of copper-based commercial heat pipes [124], (B) infrared illustration for heat transfer of a thin loop heat pipe under the steady state operation developed by Fujitsu ...

A gravity-assisted heat pipe is vertically installed in the air chamber, with copper fins submerged in a water pool. When the water temperature exceeds the surrounding environment, the heat pipe provides unidirectional cooling to the interior using thermal storage from the rooftop pool.

Nov 1, 2024 · The proposed heat pipe offers a strategic arrangement of wick structure in order to balance pore radius and permeability for achieving high capillary pumping force. The characteristics of the hybrid heat pipe supporting the experimental study are thoroughly investigated in this study.

Dec 1, 2024 · The separated gravity heat pipe is designed to achieve a heat transfer capacity of 50 kW, with vacuum and pressure within the tube varying from −0.1 to 1 MPa. Both the evaporator and the condenser use a tube-fin heat exchanger, is characterized by an inner tube diameter of 10 mm, with the exterior of the tubes fitted with a serpentine fin ...

Feb 1, 2025 · A concentric annular heat pipe is designed for the thermal protection of infrared sensors in high-temperature environments. A key to thermal protection is the rapid analysis of the heat pipe's heat transfer characteristics, particularly in calculating thermal resistance and temperature, which remains challenging.