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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 151 - 158 (8page)
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초록· 키워드
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The neutron powder diffractometer (NPD) is used to study a variety of technologically important andscientifically driven materials such as superconductors, multiferroics, catalysts, alloys, ceramics, cements,colossal magnetoresistance perovskites, magnets, thermoelectrics, zeolites, pharmaceuticals,etc. Monte Carloebased codes are powerful tools to evaluate the neutronic behavior of the NPD. In thepresent study, MCNPX 2.6.0 and Vitess 3.3a codes were applied to simulate NPD facilities, which couldbe equipped with different optic devices such as pyrolytic graphite or neutron chopper. So, the MonteCarloebased codes were used to simulate the NPD facility of the 5 MW Tehran Research Reactor. Thesimulation results were compared to the experimental data. The theoretical results showed goodconformity to experimental data, which indicates acceptable performance of the Vitess 3.3a code in theneutron optic section of calculations. Another extracted result of this work shows that application ofneutron chopper instead of monochromator could be efficient to keep neutron flux intensity higherthan 106 n/s/cm2 at sample position.
목차
등록된 정보가 없습니다.
참고문헌 (27)
참고문헌 신청
E.H. Kisi / 2012 / Applications of Neutron Powder Diffraction / Oxford University Press
I.S. Anderson / 2009 / Neutron imaging and applications, 200 (2209) / Springer Science+ Business Media :987~990
A.D. Stoica / 1999 / Neutron Monochromators for Residual Stress Mapping at the New HB-2 Beamport
C.M. Mobley / 1966 / The Construction of a Fermi Neutron Chopper for Cross Section Measurements
D.J. Hughes / 1959 / Nuclear Instrumentation I/Instrumentelle Hilfsmittel der Kernphysik I Volume 8/44 of the series Encyclopedia of Physics/Handbuch der Physik :390~446
I.S. Anderson / 2009 / Neutron imaging and applications, 200 (2209) / Springer Science+ Business Media :987~990
A.D. Stoica / 1999 / Neutron Monochromators for Residual Stress Mapping at the New HB-2 Beamport
C.M. Mobley / 1966 / The Construction of a Fermi Neutron Chopper for Cross Section Measurements
D.J. Hughes / 1959 / Nuclear Instrumentation I/Instrumentelle Hilfsmittel der Kernphysik I Volume 8/44 of the series Encyclopedia of Physics/Handbuch der Physik :390~446
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