Определение начального уровня заполнения емкости шугообразным криопродуктом

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А.В. Тарасова, Г.Н. Товарных
12 Инженерный журнал: наука и инновации # 2·2017
Determining the initial level
of the reservoir fill with slush cryogen
© A.V. Tarasova, G.N. Tovarnykh
Bauman Moscow State Technical University, Moscow, 105005, Russia
The article considers obtained relations for finding the initial degree of filling spherical
and toroid reservoirs with the liquid phase and slush taking into account changes in the
volume occupied by cryogen due to melting the solid phase and the thermal expansion of
the liquid phase. It is assumed that the area of slush is isothermal and has a melting tem-
perature of the solid phase; the sludge — pure liquid interface is flat; free liquid surface
is still and has a saturation temperature at a given pressure. In the pure liquid the tem-
perature is distributed linearly. These approximate relationships allow assessing the size
of the required “gas cushion” when melting slush cryogen in a reservoir without detailed
calculation of temperature fields in the area of pure liquid.
Keywords: cryogenic liquid, cryogen, liquid, slush, "gas cushion", melting, reservoir,
tank
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