A Nitrogen Supply System for Post-Run Cooldown of Nuclear Reactors
During a reactor test the nozzle, neutron reflector, and fuel elements are cooled by flowing hydrogen. The coolant is preheated by being passed countercurrently through the nozzle wall and reflector before entering the reactor core . This flow can be as high as 70 lb m /sec (i.e., 7000 gal/min) in the test facilities being used. The liquid hydrogen reaches the reactor through 8-in.-diameter vacuum-jacketed lines.
KeywordsHeat Exchanger Fuel Element Liquid Hydrogen Atmospheric Vaporizer Tank Farm
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