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Pressurization of Liquid Hydrogen

FLOW-3D aerospace simulation of pressurization in a tank
Temperature distribution: 100 sec.

Here is an example of FLOW-3D used to simulate the pressurization of a tank containing a small amount of liquid hydrogen. The tank has an ellipsoidal endcap and has a diffuser near the top. Hot hydrogen is pumped in from the bottom.

The hydrogen liquid and vapor in the tank are both initially at a uniform temperature of 20.26K (saturated conditions at 1 atm). The total time simulated was 100 seconds. The image to the left shows the temperature distribution at 100 seconds.