Crisis of heat transfer on a micro-finned heater with gas-driven FC-72 film flow in a mini-channel

Abstract

The crisis of heat transfer in a FC-72 liquid film moving under the action of a gas flow along a smooth or micro-finned heater was experimentally investigated. It is shown that the use of micro-finning leads to an increase in the critical heat flux, since additional washing of the heated surface occurs due to the capillary effect.

Original language	English
Pages (from-to)	461-464
Number of pages	4
Journal	Thermophysics and Aeromechanics
Volume	26
Issue number	3
DOIs	https://doi.org/10.1134/S0869864319030144
Publication status	Published - 1 May 2019

Keywords

film flows
heat transfer crisis
local heating
micro-finning
two-phase flows

ASJC Scopus subject areas

Radiation
Nuclear and High Energy Physics

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10.1134/S0869864319030144

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title = "Crisis of heat transfer on a micro-finned heater with gas-driven FC-72 film flow in a mini-channel",

abstract = "The crisis of heat transfer in a FC-72 liquid film moving under the action of a gas flow along a smooth or micro-finned heater was experimentally investigated. It is shown that the use of micro-finning leads to an increase in the critical heat flux, since additional washing of the heated surface occurs due to the capillary effect.",

keywords = "film flows, heat transfer crisis, local heating, micro-finning, two-phase flows",

author = "Cheverda, {V. V.} and Kabov, {O. A.}",

year = "2019",

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AB - The crisis of heat transfer in a FC-72 liquid film moving under the action of a gas flow along a smooth or micro-finned heater was experimentally investigated. It is shown that the use of micro-finning leads to an increase in the critical heat flux, since additional washing of the heated surface occurs due to the capillary effect.

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KW - local heating

KW - micro-finning

KW - two-phase flows

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