Thermosyphon-assisted cooling system working in the moderate heat flux range; Thermal Science and Engineering Progress; Vol. 32

Thermosyphon-assisted cooling system working in the moderate heat flux range; Thermal Science and Engineering Progress; Vol. 32

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Parent link:Thermal Science and Engineering Progress
Vol. 32.— 2022.— [101330 , 12 p.]
Tác giả của công ty: Национальный исследовательский Томский политехнический университет Инженерная школа энергетики Научно-образовательный центр И. Н. Бутакова (НОЦ И. Н. Бутакова)
Tác giả khác: Ponomarev K. O. Konstantin Olegovich, Kuznetsov G. V. Geny Vladimirovich, Orlova E. G. Evgeniya Georgievna, Feoktistov D. V. Dmitriy Vladimirovich
Tóm tắt:Title screen
Ensuring the permissible temperature regime of heat-loaded and energy-saturated equipment is still an urgent problem in heat power engineering and thermal physics. In this work, it is demonstrated that thermosyphons without a boiling coolant on their lower lid can be used in practice as self-regulating heat exchangers ensuring the permissible temperature regime of heat-loaded and energy-saturated equipment. The experiments showed that heat flux in the range of 0.18–2.60 kW·m-2 can be removed from engineering heated surfaces of equipment by a self-regulating thermosyphon-assisted cooling system (TCS) with intense evaporation of a coolant (without boiling) on its lower lid and air cooling of the condenser due to natural convection. Using modern tools for registration of thermophysical and hydrodynamic processes, the effect of the coolant type, the filling ratio of evaporator and the presence of thermal insulation on the side surface of a TCS on its efficiency was studied. To increase the efficiency of the thermally insulated TCS, it is advisable to create mixed or forced convection above the upper lid with the heat transfer coefficient of 22–53 W·m2·K-1. It was hypothesized that the heat transfer intensity in the TCS characterizing by the temperature distributions and evaporation rates depends on heat transfer and convection in the liquid layer on the lower lid of the TCS.
Режим доступа: по договору с организацией-держателем ресурса
Ngôn ngữ:Tiếng Anh
Được phát hành: 2022
Những chủ đề:
электронный ресурс
труды учёных ТПУ
thermosyphon
coolant layer
intensive evaporation
heat flux
thermal insulation
temperature
Truy cập trực tuyến:https://doi.org/10.1016/j.tsep.2022.101330
Định dạng: Điện tử Chương của sách
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668933

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