Dynamic condensation blocking in cryogenic refueling

Osipov, V. V.; Muratov, C. B.
December 2008
Applied Physics Letters;12/1/2008, Vol. 93 Issue 22, p224105
Academic Journal
We demonstrate that a negative feedback between vapor pressure and condensation rate may be established in two-phase systems during vapor compression with rates of practical importance. As a result, dynamic condensation blocking occurs. The effect is studied numerically in the case of filling a no-vent insulated tank by liquid hydrogen. It is shown that the filling dynamics quite sensitively depends on the filling rate, and for sufficiently fast filling rates consist of a fast stage dominated by gas compression and a slow stage governed by heat conduction in the liquid.


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