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Maintaining and Improving the Accuracy of Feed-Water Flow Measurement and Thermal Power Determination in NPP Reactor Units

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Atomic Energy Aims and scope

An analysis of the error of the feed-water flow rate measured in NPP reactor units with the help of regular flow meters based on restrictive devices is presented. A comparison is made of the methods and technical means allowing in-line metrological tracking of feed-water flow rate measurements. The rationale for using ultrasonic flow meters to maintain the accuracy of measurements of the feed-water flow rate performed with regular devices is given. The possibility of using high-accuracy ultrasonic flow meters to increase the rated thermal power of power units is examined.

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Authors and Affiliations

  1. National Research Center Kurchatov Institute, Moscow, Russia

    A. S. Timonin

  2. Promservis, Dimitrovgrad, Russia

    S. N. Eshchenko, A. A. Minakov, A. Yu. Efremov & O. G. Piyadov

  3. Beloyarsk NPP, Branch of Rosenergoatom Concern, Zarechnyi, Russia

    O. A. Potapov

  4. Tsentrpribor, Dzerzhinskii, Moscow Oblast, Russia

    V. M. Gurevich

Authors
  1. A. S. Timonin
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  2. S. N. Eshchenko
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  3. A. A. Minakov
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  4. A. Yu. Efremov
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  5. O. G. Piyadov
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  6. O. A. Potapov
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  7. V. M. Gurevich
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Corresponding author

Correspondence to A. S. Timonin.

Additional information

S. N. Eshchenko is deceased.

Translated from Atomnaya Énergiya, Vol. 132, No. 3, pp. 150–158, March, 2022.

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Timonin, A.S., Eshchenko, S.N., Minakov, A.A. et al. Maintaining and Improving the Accuracy of Feed-Water Flow Measurement and Thermal Power Determination in NPP Reactor Units. At Energy 132, 155–162 (2022). https://doi.org/10.1007/s10512-023-00919-2

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  • DOI: https://doi.org/10.1007/s10512-023-00919-2

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