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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 183 - 194 (12page)
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Recently, a CANDU digital reactivity computer system (CDRCS) to measure the worth of the liquid zone controller in aCANDU-6 was developed and successfully applied to a physics test of refurbished Wolsong Unit 1. In advance of using theCDRCS, its measureable reactivity range should be investigated and confirmed. There are two reasons for this investigation.
First, the CANDU-6 has a larger reactor and smaller excore detectors than a general PWR and consequently the measuredreactivity is likely to reflect the peripheral power variation only, not the whole core. The second reason is photo neutronsgenerated from the interaction of the moderator and gamma-rays, which are never considered in a PWR. To evaluate thelimitations of the CDRCS, several tens of three-dimensional steady and transient simulations were performed. The simulateddetector signals were used to obtain the dynamic reactivity. The difference between the dynamic reactivity and the static worthincreases in line with the water level changes. The maximum allowable reactivity was determined to be 1.4 mk in the case ofCANDU-6 by confining the difference to less than 1%.
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참고문헌 (6)
참고문헌 신청
ANS / 2005 / Reload Startup Physics Test for PWR / ANS/ANSI-19.6.1-2005
B. Rouben / 1995 / Overview of current RFSP-code capabilities for CANDU core analysis / Proceedings of the Annual General Meeting of the American Nuclear Society
D. H. Park / 2013 / Calibration method of liquid zone controller using the excore detector signal of CANDU 6 reactor / Annals of Nuclear Energy 54 : 209 ~ 217
E. K. Lee / 2005 / New dynamic method to measure rod worths in zero power physics test at PWR startup / Annals of Nuclear Energy 32 : 1457 ~ 1475
J. O. Johnson / 1995 / TORT-DORT: Two-and Three- Dimensional Discrete Ordinates Transport Version 2.12.14
B. Rouben / 1995 / Overview of current RFSP-code capabilities for CANDU core analysis / Proceedings of the Annual General Meeting of the American Nuclear Society
D. H. Park / 2013 / Calibration method of liquid zone controller using the excore detector signal of CANDU 6 reactor / Annals of Nuclear Energy 54 : 209 ~ 217
E. K. Lee / 2005 / New dynamic method to measure rod worths in zero power physics test at PWR startup / Annals of Nuclear Energy 32 : 1457 ~ 1475
J. O. Johnson / 1995 / TORT-DORT: Two-and Three- Dimensional Discrete Ordinates Transport Version 2.12.14
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