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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.


Papers
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01 Aug 1969
TL;DR: Rotating wickless hollow shaft heat pipe utilizing centrifugal acceleration for return pumping of condensate and transferring high heat fluxes was used in this article for transfer of heat flux.
Abstract: Rotating wickless hollow shaft heat pipe utilizing centrifugal acceleration for return pumping of condensate and transferring high heat fluxes

72 citations

Journal ArticleDOI
TL;DR: In this article, a closed-loop pulsating heat pipe (PHP) with four types of working fluids, deionized water, methanol, ethanol and acetone, was investigated.

72 citations

Patent
19 Feb 2003
TL;DR: In this article, a novel energy efficient sorption processes and systems for cooling, dehumidifying and heating using multistage liquid desiccant regenerators, or hybrid cooling systems or adsorption cooling systems involving appropriate combinations of rotating contacting devises, adsorization modules with heat transfer passages in thermal contact with the adorption module wall and switchable heat pipes.
Abstract: The present invention relates to novel energy efficient sorption processes and systems for cooling, dehumidifying and heating using multistage liquid desiccant regenerators, or hybrid cooling systems or adsorption cooling systems involving appropriate combinations of rotating contacting devises, adsorption modules with heat transfer passages in thermal contact with the adsorption module wall and switchable heat pipes. The sorption processes of this invention help in flexible designing of compact cooling, dehumidifing, heating systems easy operability. The adsorption module of this invention leads to lower cycle times as low as 5 minutes; makes it possible to achieve high system Coefficient of Performance (COP) up to 0.9 due to reduced thermal mass; offers high specific cooling power in the range of 50 to 750 W/kg of AC; is easy to manufacture and operates at low costs. The refrigeration cum heating system of this invention with heat pipe in thermal contact with the adsorption modules increase the heat transfer rates without increasing the thermal mass leading to increase of COP and the single or multistage pressure equalisation increases the internal regeneration of heat thereby increasing the COP, reducing the cycle time resulting in increased specific cooling power (SCP), reducing the required quantity of adsorbent/refrigerant making the module compact and cost effective.

72 citations

Patent
30 Sep 1993
TL;DR: In this article, an integrated circuit package (10) includes a substrate (12) comprising a porous ceramic body (14) and a nonporous covering (16) providing a hermetic seal around the porous body.
Abstract: Integrated circuit package (10) includes a substrate (12) comprising a porous ceramic body (14). A non-porous covering (16) provides a hermetic seal around the porous ceramic body (14). A heat transfer liquid (18) partially fills pores (30) of the porous ceramic body (14). A plurality of integrated circuit chips (20) are attached to a surface of the substrate (12) by epoxy, solder or other bonds (22). On an opposite surface, the substrate (12) includes a plurality of heat transfer fins (24). In use, the heat transfer liquid (18) in the ceramic body (14) is vaporized to fill the balance of the pores (30) and condensed in a continuous heat pipe cycle to remove heat from the integrated circuits (20) mounted on the substrate.

71 citations

Patent
15 Sep 1972
TL;DR: In this article, two large-surface elements are joined to each other with pipes connected in parallel which are in good heat conducting contact with the large surface elements, and the internal space of the pipes is closed and filled with a heat carrier in a state of saturated vapour within the operating range.
Abstract: In a device for the absorption and release of heat, two largesurface elements are provided, of which one emits the heat and acts as a heat source and the other absorbs the heat and acts as a heat sink. These two large-surface elements are joined to each other with pipes connected in parallel which are in good heat conducting contact with the large-surface elements. The internal space of the pipes is closed and filled with a heat carrier in a state of saturated vapour within the operating range.

71 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023343
2022511
2021619
2020986
20191,301
20181,498