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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 296 - 307 (12page)
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초록· 키워드
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Permanent magnet sodium flowmeter (PMSF) have been used to measure the sodium flow in fast breeder reactors. Due to the effects of irradiation, thermal cycling, time lapse, etc., the magnetic flux density of the PMSF will decrease after being used in the reactor for a period of time. Therefore, it must be calibrated regularly. But some flowmeters that immersed in sodium cannot be removed for an off-line calibration, so the on-line calibration is required. However, the best online calibration accuracy of PMSF using cross-correlation analysis method was 2.0-level without considering the repeatability. In order to further improve this work,the operational principle of the transducer in PMSF is analyzed and the design principle of the transducer is proposed. The transducers were tested on the sodium flow loop to collect the experimental data. The signal characteristics are analyzed from the time and frequency domains, respectively. The cross-correlation analysis method based on biased estimation is adopted to obtain the flow rate. The verification experimental results showed that the measurement accuracy is 1.0-level when the flowvelocity is above0.5 m/s, and the measurement accuracyis 3.0-level when the flow velocity is in the range of 0.2 m/s to 0.5 m/
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등록된 정보가 없습니다.
참고문헌 (13)
참고문헌 신청
A. C. Raptis / 1977 / A signal analysis method using cross-correlation of turbulence flow signals to determine calibration of permanent magnet sodium flowmeters / IEEE Trans. Nucl. Sci 25:278~281
A. Endou / 1984 / In service calibration method of electromagnetic flowmeter for LMFBR utilizing cross correlation of output voltage fluctuations / J. Nucl. Sci. Technol 21:501~514
H. Araki / 2009 / Electromagnetic flowmeter in-situ calibration by the flow fluctuation cross correlation method / Trans. Soc. Instrum. Control Eng 22:210~217
R. Ramakrishna / 2013 / In-situ calibration of permanent magnet flowmeters in PFBR using noise analysis technique / Flow Meas. Instrum 34:76~82
Y. Y. Liu / 2015 / Correlation sodium flow measurement system design based on labview / Atomic Energy Sci. Technol 49:1865~1869
A. Endou / 1984 / In service calibration method of electromagnetic flowmeter for LMFBR utilizing cross correlation of output voltage fluctuations / J. Nucl. Sci. Technol 21:501~514
H. Araki / 2009 / Electromagnetic flowmeter in-situ calibration by the flow fluctuation cross correlation method / Trans. Soc. Instrum. Control Eng 22:210~217
R. Ramakrishna / 2013 / In-situ calibration of permanent magnet flowmeters in PFBR using noise analysis technique / Flow Meas. Instrum 34:76~82
Y. Y. Liu / 2015 / Correlation sodium flow measurement system design based on labview / Atomic Energy Sci. Technol 49:1865~1869
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