A Single-Channel, Multipoint, Continuous, Liquid-Level System for Liquid Hydrogen, Using Carbon Resistors
A cryogenic point-sensor system for liquid hydrogen can be designed using the graphical data of Muhlenhaupt and Smelser . The point sensor operates on the principle of resistor heat-transfer differences between gas and liquid and the large negative coefficient of the resistor in a cryogenic environment. Such a system sacrifices precise indication and fast time response, and generally uses one instrumentation channel per point sensor.
KeywordsLiquid Level Liquid Hydrogen Test Cylinder Point Sensor Carbon Resistor
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