Investigation of thermal characteristics of high-capacity loop heat pipes after a long-term storage

Yu.F. Maydanik, M.A. Chernysheva and V.G. Pastukhov

Energy, 2014, vol. 74, issue C, 804-809

Abstract: Repeat thermal tests of two high-capacity LHPs (loop heat pipes) have been conducted after their long-term storage under normal conditions. The first of them 1820 mm long with a capacity of 1200 W and water as a working fluid was made and first tested in 1985. The other device with a length of 2750 mm and a capacity of 800 W, which consisted of two ammonia LHPs joined in series, was made and tested for the first time in 1988. Both the devices were made of stainless steel and equipped with a titanium and nickel capillary structures. The tests, which were conducted in conditions similar to the initial ones, have shown that a long-term storage has not had any considerable impact on the LHP thermal characteristics. Such devices may be used in systems of utilization of low-potential heat and solar energy, and also for heating and cooling various objects.

Keywords: Loop heat pipes; Heat-transfer systems; Low-potential heat utilization; Capacity; Thermal resistance; Capillary structure (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:74:y:2014:i:c:p:804-809

DOI: 10.1016/j.energy.2014.07.053

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