Abstract
This paper discussed the uncertainty calculation process of containment leakage rate. Containment leakage rate is linear regressed based on the change of containment air standard volume. The uncertainty of leakage rate is the combination of the uncertainty of Type A evaluation and Type B evaluation. The uncertainty of Type A evaluation reflects the effect of random fluctuation of containment air volume on the regression line slope and is calculated using statistical theory directly. The uncertainty calculation of Type B evaluation can be conducted based on empirical data and statistical theory. The uncertainty of sensor data is analyzed based on empirical data. With the knowledge of sensor data uncertainty, the calculation process of leakage rate is further decomposed into several steps and the calculation of each step is established according to statistical theory. All of these jobs determine the uncertainty calculation method of Type B evaluation.
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© 2019 Springer Nature Singapore Pte Ltd.
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Sun, Y., Tian, J., Li, TY., Liu, Zy. (2019). Discussion for Uncertainty Calculation of Containment Leakage Rate. In: Xu, Y., Xia, H., Gao, F., Chen, W., Liu, Z., Gu, P. (eds) Nuclear Power Plants: Innovative Technologies for Instrumentation and Control Systems. SICPNPP 2018. Lecture Notes in Electrical Engineering, vol 507. Springer, Singapore. https://doi.org/10.1007/978-981-13-3113-8_9
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DOI: https://doi.org/10.1007/978-981-13-3113-8_9
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