Variable-fluence neutron source

Details Variable-fluence neutron source Variable-fluence neutron source

1976-12-09

1978-08-22

Dixon, Harold A.

Radiant energy

Radiant energy generation and sources

With container for radioactive source and radiation...

250432R, 250500, G21G 402

Patent

active

041091531

ABSTRACT:
A source in which the neutron fluence can be varied makes use of a (.alpha.,n) reaction between a radioactive emitter in powdered form and a target in fluid form. The emitter is immersed in the target fluid between an upper and lower filter within a closed chamber. When the emitter rests on the lower filter in the quiescent state, radiation is limited by self-absorption and the source is in the state of minimum fluence. When the target fluid is circulated by means of a booster, the emitter is fluidized and maximum fluence is achieved. Variable intermediate values can be obtained by regulating the pressure and rate of circulation of the target fluid.

REFERENCES:
patent: 2592115 (1952-04-01), Carroll
patent: 3571595 (1971-03-01), Silver
patent: 3866043 (1975-02-01), Freck

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