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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.8
- 수록면
- 1,611 - 1,625 (15page)
- DOI
- 10.1016/j.net.2020.01.005
이용수
초록· 키워드
오류제보하기
We propose a scaled-down experimental model of vertical air-natural convection channels by applying the modified IshiieKataoka scaling method with the assistance of numerical analyses to the Reactor Vault Cooling System (RVCS) of the Proto-type Gen-IV Sodium-cooled fast reactor (PGSFR) being developed in Korea. Two major non-dimensional numbers (modified Richardson and Friction number) from the momentum equation and Stanton number from the energy balance equation were identified to design the scaled-down experimental model to assimilate thermal-hydraulic behaviors of the natural convective air-cooling channel of RVCS. The ratios of the design parameters in the PGSFR RVCS between the prototype and the scaled-down model were determined by setting Richardson and Stanton number to be unity. The friction number which cannot be determined by the Ishii-Kataoka method was estimated by numerical analyses using the MARS-KS system code. The numerical analyses showed that the friction number with the form loss coefficient of 2.0 in the scale-down model would result in an acceptable prediction of the thermal-hydraulic behavior in RVCS. We also performed experimental benchmarking using the scaled-down model with the MARS-KS simulations to verify the appropriateness of the scaledown model, which demonstrated that the temperature rises and the average air flow velocity measured in the scale-down model.
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참고문헌 (18)
참고문헌 신청
유재운 / 2016 / Overall System Description and Safety Characteristics of Prototype Gen IV Sodium Cooled Fast Reactor in Korea / Nuclear Engineering and Technology 48(5):1059~1070
C. Choi / 2018 / Thermal-hydraulic analyses of passive reactor vault cooling system(RVCS)in PGSFR using MARS-LMR / Ann. Nucl. Energy 117:333~342
S. Yeom / 2015 / The effect of duct level on the performance of reactor vault cooling system in the PGSFR / Proceedings of the KNS 2015 Fall Meeting
C. Choi / 2017 / Effect of ractor vault cooling system (RVCS) on reactivity feedback using MARS-LMR / Asian Conference on Thermal Sciences
J. Heineman / 1988 / Experimental and Analytical Studies of a Passive Shutdown Heat Removal System for Advanced LMRs / Argonne National Lab
C. Choi / 2018 / Thermal-hydraulic analyses of passive reactor vault cooling system(RVCS)in PGSFR using MARS-LMR / Ann. Nucl. Energy 117:333~342
S. Yeom / 2015 / The effect of duct level on the performance of reactor vault cooling system in the PGSFR / Proceedings of the KNS 2015 Fall Meeting
C. Choi / 2017 / Effect of ractor vault cooling system (RVCS) on reactivity feedback using MARS-LMR / Asian Conference on Thermal Sciences
J. Heineman / 1988 / Experimental and Analytical Studies of a Passive Shutdown Heat Removal System for Advanced LMRs / Argonne National Lab
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