An investigation on the improvement of neutron radiography system of the Tehran research reactor by using MCNPX simulations

Moharram Amini; Seyed Mehrdad Zamzamian; Amir Hossein Fadaei; Morteza Gharib; Seyed Amir Hosein Feghhi

doi:https://doi.org/10.1016/j.net.2021.04.014

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자료유형: 학술저널

저자정보: Moharram Amini (Amirkabir University of Technology (Tehran Polytechnic)) Seyed Mehrdad Zamzamian (Department of Energy Engineering, Sharif University of Technology) Amir Hossein Fadaei (Amirkabir University of Technology (Tehran Polytechnic)) Morteza Gharib (Amirkabir University of Technology (Tehran Polytechnic)) Seyed Amir Hosein Feghhi (Department of Radiation Application, Shahid Beheshti University G.C, Tehran, Iran)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제10호

발행연도: 2021.10

수록면: 3,413 - 3,420 (8page)

DOI: https://doi.org/10.1016/j.net.2021.04.014

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Applying the available neutron flux for medical and industrial purposes is the most important application of research reactors. The neutron radiography system is used for non-destructive testing (NDT) ofmaterials so that it is one of the main applications of nuclear research reactors. One of these researchreactors is the 5 MW pool-type light water research reactor of Tehran (TRR). This work aims to investigate on materials and location of the beam tube (BT) of the TRR radiography system to improve theindex parameters of BT. Our results showed that a through-type BT with 20 cm thick carbon neutronfilter, 1.2 cm and 9.4 cm of the diameter of inlet (D1) and output (D2) BT, respectively gives thermalneutron flux almost 25.7, 5.6 and 1.1 times greater than the former design of the TRR (with D1 ¼ 1.8 cmand D1 ¼ 9.4 cm), previous design of the TRR with D1 ¼ 3 cm and D1 ¼ 9.4 cm, and another design withD1 ¼ 5 cm and D1 ¼ 9.4 cm, respectively. Therefore, the design proposed in this paper could be a betteralternative to the current BT of the TRR

#Neutron radiography system #Beam tube #Collimator #Tehran research reactor

참고문헌 (21)

참고문헌 신청

M. Moguiy / 2011 / Recognition of effective parameters and investigating their effects on the beam tube application / Appl. Radiat. Isot 69(7):975~981

2001 / Current Status of Neutron Capture Therapy :302

H. Iikura / 2013 / Investigation of the brightness enhancement using brightness enhancement films on a scintillator / Physics Procedia 43:161~168

H. Li / 2017 / Neutron imaging development at China academy of engineering physics(CAEP) / Physics Procedia 88:154~161

N. Winch / 2014 / Thermal neutron imaging with CsBr storage phosphors / Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip 763:394~398

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