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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TL;DR: In this article, a flat, flexible, lightweight, polymer heat pipe (FPHP) was fabricated, and the overall geometry of the heat pipe was 130 mm × 70 mm × 1.31 mm.
Abstract: Flat, flexible, lightweight, polymer heat pipes (FPHP) were fabricated. The overall geometry of the heat pipe was 130 mm × 70 mm × 1.31 mm. A commercially available low-cost film composed of laminated sheets of low-density polyethylene terephthalate, aluminum and polyethylene layers was used as the casing. A triple-layer sintered copper woven mesh served as a liquid wicking structure, and water was the working fluid. A coarse nylon woven mesh provided space for vapor transport and mechanical rigidity. Thermal power ranging from 5 to 30 W was supplied to the evaporator while the device was flexed at 0°, 45° and 90°. The thermal resistance of the FPHP ranged from 1.2 to 3.0 K W−1 depending on the operating conditions while the thermal resistance for a similar-sized solid copper reference was a constant at 4.6 K W−1. With 25 W power input, the thermal resistance of the liquid–vapor core of the FPHP was 23% of a copper reference sample with identical laminated polymer material. This work shows a promising combination of technologies that has the potential to usher in a new generation of highly flexible, lightweight, low-cost, high-performance thermal management solutions.
80 citations
TL;DR: In this paper, the authors present the classification of loop heat pipe operating modes on the basis of the criterion of presence or absence of the working fluid vapor phase in the compensation chamber.
80 citations
TL;DR: In this article, the performance of solar domestic hot water systems manufactured with heat pipes was evaluated and a series of tests were conducted on a number of systems to elicit the most suitable configuration of the system for possible commercialization in Korea.
80 citations
TL;DR: In this article, the phase change material (PCM) composited by erythritol and expanded graphite with melting temperature of 119°C was filled in the aluminum pipes, and those pipes were placed inside the evacuated tubes.
80 citations
TL;DR: In this paper, the efficiency and heat transfer characteristics of a newly designed flat polymer heat pipe that uses copper micro thermal via was investigated using a fabricated laboratory model to measure the amount of heat that could be removed from a given heat source (a heater or a light emitting diode (LED) module) under a range of different operating conditions.
80 citations