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020 ▼a 9780438018686
035 ▼a (MiAaPQ)AAI10809000
035 ▼a (MiAaPQ)purdue:22739
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 247004
0820 ▼a 539.76
1001 ▼a Jing, Tian.
24510 ▼a Evaluation of Reactivity Feedbacks Due to Core Deformation in Fast Reactors.
260 ▼a [S.l.]: ▼b Purdue University., ▼c 2018.
260 1 ▼a Ann Arbor: ▼b ProQuest Dissertations & Theses, ▼c 2018.
300 ▼a 176 p.
500 ▼a Source: Dissertation Abstracts International, Volume: 79-10(E), Section: B.
500 ▼a Adviser: Won Sik Yang.
5021 ▼a Thesis (Ph.D.)--Purdue University, 2018.
520 ▼a In order to meet the worldwide demands on sustainable energy, new generation of nuclear reactor systems has been proposed to continue the benefit of nuclear power for electricity production. Sodium-cooled fast reactor (SFR) is one of the most pr
520 ▼a The objective of this doctoral work is to develop a perturbation theory method for accurate and efficient evaluation of the feedback reactivity induced by SFR core deformation. The pre-calculated assembly bowing reactivity coefficient could be a
520 ▼a The major challenge in using perturbation theory method to calculate the assembly bowing reactivity worth is the evaluation of the bi-linearly weighted reaction rate integral for a perturbed geometry. Direct adoption of the conventional perturba
520 ▼a The key practice of the proposed perturbation theory method is to convert the problem of calculating material property perturbation to the problem of evaluating the difference of the fluxes to which materials are exposed at original and perturbe
520 ▼a We developed a computer code named RAINBOW (ReActivity INduced by assembly BOWing) applying the proposed perturbation theory method. RAINBOW reads forward and adjoint fluxes from VARIANT and PROTEUS-SN solutions and reconstructs the heterogeneou
520 ▼a The verification of the RAINBOW code was performed by comparing the perturbation results with the direct subtractions between eigenvalues of both unperturbed and perturbed cases. The reference eigenvalues were calculated by both MCNP6 Monte Carl
590 ▼a School code: 0183.
650 4 ▼a Nuclear engineering.
690 ▼a 0552
71020 ▼a Purdue University. ▼b Nuclear Engineering.
7730 ▼t Dissertation Abstracts International ▼g 79-10B(E).
773 ▼t Dissertation Abstract International
790 ▼a 0183
791 ▼a Ph.D.
792 ▼a 2018
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T14997850 ▼n KERIS ▼z 이 자료의 원문은 한국교육학술정보원에서 제공합니다.
980 ▼a 201812 ▼f 2019
990 ▼a ***1012033