Topic
Heat pipe
About: Heat pipe is a research topic. Over the lifetime, 30354 publications have been published within this topic receiving 243669 citations. The topic is also known as: heatpipe & heat-pipe.
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15 Jun 1988
TL;DR: In this paper, a structure of a loop-type heat pipe is disclosed in which a heat carrying fluid, preferably a bi-phase non-condensative fluid, circulates in a loop form in itself under its own vapor pressure at a high speed within an elongate pipe so as to repeat vaporization and condensation, thus carrying out a heat transfer.
Abstract: A structure of a loop-type heat pipe is disclosed in which a heat carrying fluid, preferably a bi-phase non-condensative fluid, circulates in a loop form in itself under its own vapor pressure at a high speed within an elongate pipe so as to repeat vaporization and condensation, thus carrying out a heat transfer. A structure of the loop-type heat pipe includes the elongate pipe, both ends thereof being air-tightly interconnected to form a loop-type container, the heat carrying fluid, at least one heat receiving portion and at least one heat radiating portion, both being placed at given portions of a elongate pipe, and at least one check valve for limiting a stream direction of the heat carrying fluid. A check valve(s) propels and amplifies forces generated by the heat carrying fluid and its vapor to move toward the stream direction limited by the check valve(s) so that the heat carrying fluid circulates in the stream direction through the closed-loop passage defined by the elongate pipe at the high speed, repeating vaporization at the heat receiving and radiating portions.
358 citations
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TL;DR: In this paper, experiments were performed to find out how the thermal performance of a two-phase thermosyphon solar collector was affected by using different refrigerants, and the experimental results were compared to the results found in the literature and they showed good agreement.
357 citations
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TL;DR: In this article, a wide range of pulsating heat pipes is experimentally studied and the influence of gravity and number of turns on the performance of closed loop pulsing heat pipes (CLPHPs) is analyzed.
352 citations
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TL;DR: In this paper, the advantages, challenges and progress of various cooling techniques, including cooling with heat spreaders (using high thermal conductivity materials or heat pipes), cooling with separate air flow, cooling with liquid (water or antifreeze coolant), and cooling with phase change (evaporative cooling and cooling through boiling), are systematically reviewed.
345 citations
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TL;DR: In this paper, the effect of porosity and pore density on heat transfer, thermal conductivity, specific heat, latent heat and charging/discharging time are critically reviewed.
336 citations