Cryogenic fluids play an important role in space transportation. Liquid oxygen and hydrogen are vital fuel components for liquid rocket engines. It is also difficult to accurately measure the liquid level in the cryogenic tanks containing the liquids. The current methods use thermocouple rakes, floats, or sonic meters to measure tank level. Thermocouples have problems examining the boundary between the boiling liquid and the gas inside the tanks. They are also slow to respond to temperature changes. Sonic meters need to be mounted inside the tank, but still above the liquid level. This causes problems for full tanks, or tanks that are being rotated to lie on their side.


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    Title :

    Optical Cryogenic Tank Level Sensor


    Contributors:
    A. Duffell (author)

    Publication date :

    2005


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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