Caption: Dedication - Nuclear Reactor
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8 : 0 0 p . m . OPEN HOUSE AT THE NUCLEAR REACTOR LABORATORY Manufacturer Reactor, Licensed Operating Power, Fuel Control, Moderator, Reflector, Shield. General Atomic Division of General Dynamics Corporation TRIGA Mark II 100 kw. Sixty 20% enriched U*** fuel elements, totalling approximately 2 kilograms U1*5 Three boron carbide filled rods 65% zirconium hydride 35% water Graphite — 12 inches around the sides and 4 inches top and bottom Radial — 7.5 feet of concrete, s.g. = 2.75 Vertical — 16 feet of water Weight of concrete approximately 1,000,000 lbs. Four One One One One One 6 in. horizontal beam ports 4 x 4 x 5 . 5 ft. graphite thermal column 40 position rotary specimen rack 1.33 in. ID central thimble pneumatic transfer system for short-lived isotopes 8 x 10 x 12 ft. bulk shielding facility Experimental facilities:* Thermal Neutron Fluxes (100 kw.): Building: Central thimble — 3 x 10" n/cm* sec. Rotary specimen rack — 7 x 10u n/cm* sec. 4 4 x 8 0 feet and 37 feet tall Reactors of this type have demonstrated the capability of being pulsed to prak powers above 1000 megawatts for durations of 30 to 40 milliseconds* The reactor fuel limits the peak powers by its nuclear properties and returns the reactor power to a normal operating level. #
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