Abstract
Neutron-physical parameters at the outlet of the WWR-K reactor beam tube
Highlights
The WWR-K is a 6-MW research tank-type steady state heterogeneous reactor with thermal neutron spectrum [1]
This paper presents general results of the combined experimental and calculation studies of neutron-physical parameters of the WWR-K reactor beam tube #1
The thermal neutron flux density at the outlet of the neutron guide decreased by 9 times
Summary
The WWR-K is a 6-MW research tank-type steady state heterogeneous reactor with thermal neutron spectrum [1]. Modern installation of neutron radiography and tomography is expected to be built at the beam tube #1 [4, 5]. A requirement to enlarge the neutron guide length is related to the radiography installation characteristic parameter L/D , where L is the aperture length and D is the neutron beam diameter. After a series of pilot experiments at the radiography facility, a decision was taken on widening its functionality - via varying the neutron beam diameter (collimation system) and cutting off some components of reactor radiation (screening system). This paper presents general results of the combined experimental and calculation studies of neutron-physical parameters of the WWR-K reactor beam tube #1. Location of the beam tube #1 in the WWR-K reactor is shown on Figure 2
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