THERMODYNAMIC MODELS OF A FILLING TANK BY THE CRYOGENIC LIQUID
DOI:
https://doi.org/10.18198/j.ind.gases.2011.0574Keywords:
Thermodynamics of open systems, Cryogenic liquid, Liquefied natural gas (LNG), Cryogenic tank, Filling a cryogenic tank, Duration of refuelling, Losses of cryogenic liquidAbstract
For opened systems models of filling a cryogenic tank with open vent at supply liquid downright on the fluid level and frombelow the fluid level, also a model of filling a tank with closed vent were developed on the bases of the first law of thermodynamics. Using these models allows estimating values of key parameters of the filling: duration of the filling, changing pressure in the tank, liquid losses at the filling. It is shown that duration of the process is less at the bottom filling of warm tank than at the top filling. The conditions for reducing the duration of filling with closed vent the cryogenic tank are defined.
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