The Nuclear Ship Savannah / First Atomic Merchant Ship, One of the World's Safest Ships

by United States. Department of Commerce; United States. Maritime Administration; U.S. Atomic Energy Commission

EXCESSIVE RISE OR FALL IN PRESSURE

Too low a pressure could result in boiling of the primary coolant, while too high a pressure could result in poor heat transfer as well as placing unnecessary stresses on the reactor’s fuel element core structure. There are a number of causes for either condition, all of which would relay a “scram” signal to the operator and to the automatic safety system.