A Study of Bubble Motion in Liquid Nitrogen

  • C. G. Fritz
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 11)


In liquid rocket propulsion systems helium gas is injected at the lower ends of the suction lines to locally subcool the LOX and at the same time mechanically break up any thermal stratification. Because helium will not condense when in contact wih LOX, it Is also used to initially pressurize the LOX tank and later, as the tank Is draining, acts as a piston or buffer between the LOX and hot oxygen gas.


Reynolds Number Test Section Drag Coefficient Froude Number Weber Number 
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Copyright information

© Springer Science+Business Media New York 1966

Authors and Affiliations

  • C. G. Fritz
    • 1
  1. 1.NASA George C. Marshall Space Flight CenterHuntsvilleUSA

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