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The design and construction of a collimator holder to equip beam tube D of the Tehran research reactor by Z. Aslani Menarebazari; H. Jafari; Z. Gholamzadeh is a Engineering article available to read on EtoBox.

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The continued safe and efficient operation of a research reactor depends on the behavior of the structural materials making up its main components. Many of these materials are difficult to replace in view of hard-to-reach locations after installation or even storage after years of use due to radiation from high exposure to neutrons inside the research reactor structure. The neutron collimator is a major part of the beam-related devices used in a research reactor. This device is installed in the beam tube via a holder. The collimator holder used as a structural component of beam tube D in the Tehran Research Reactor (TRR) has been made of cast iron. This component has been installed inside the beam tube and subjected to irradiation for 30 years. As a result, it has become severely damaged and must be transferred to radioactive waste storage. A necessary measure to recommission beam tube D in TRR is selecting a replacement with higher quality. Suitable candidates for this purpose would be materials that retain the neutron beam quality in addition to being adequate for long lifetime management. In this case, lower induced activity, shorter half-life of produced radioisotopes, and shor

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Author

Z. Aslani Menarebazari; H. Jafari; Z. Gholamzadeh

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)