Mono-energetic neutron void meter

Details Mono-energetic neutron void meter Mono-energetic neutron void meter

1979-04-16

1981-08-04

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Neutron responsive means

250391, G01T 300

Patent

active

042824354

ABSTRACT:
The ability to measure the ratio of vapor versus liquid in a nuclear steam generating system is highly desirable, particularly since, during transient events such as rapid depressurization, the vapor may not be in thermal equilibrium with its liquid and its distribution in the liquid may be highly non-uniform. By using a relatively mono-energetic neutron source such as Californium 252, exposing the medium under investigation to the radiation and using a proton recoil detector as an energy discriminating counter one can estimate the ratio of vapor to liquid by measuring the reduction of flux loss due to scattering when the medium includes vapor as well as liquid.

REFERENCES:
patent: 2997587 (1961-08-01), Mims
patent: 3100395 (1963-08-01), Morley
patent: 3594575 (1971-07-01), Shoemaker
patent: 3774033 (1973-11-01), Scott et al.

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