확산동기 증발에 의한 극저온 액체 과냉각 Subcooling of cryogenic liquid by diffusion-driven evaporation

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This paper relates to reducing the temperature of a cryogenic liquid by contacting it with gas bubbles, which can be characterized by diffusion-driven evaporative cooling, The characteristic of diffusion-driven evaporative cooling is thoroughly examined by theoretical. analytical and experimental methods specifically for the case of helium injection into liquid oxygen. The results reveal that if the gaseous oxygen partial pressure in helium bubbles is lower than the liquid oxygen vapor pressure, cooling occurs autonomously due to diffusion mass transfer. The method of lowering the injected helium temperature turns out to be very effective for cooling purpose.
Publisher
한국초전도.저온공학회
Issue Date
2007-09
Language
Korean
Citation

한국초전도.저온공학회논문지, v.9, no.3, pp.72 - 82

ISSN
1229-3008
URI
http://hdl.handle.net/10203/87941
Appears in Collection
ME-Journal Papers(저널논문)
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