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Research on Steam Generator False Water Level Calculation Improvement for PWR NPP Simulation Program

[+] Author Affiliations
Junying Hong, Zhao Xu

China Nuclear Power Engineering Co., Ltd., Beijing, China

Paper No. ICONE26-81128, pp. V06AT08A012; 7 pages
doi:10.1115/ICONE26-81128
From:
  • 2018 26th International Conference on Nuclear Engineering
  • Volume 6A: Thermal-Hydraulics and Safety Analyses
  • London, England, July 22–26, 2018
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5148-7
  • Copyright © 2018 by ASME

abstract

A U tube PWR NPP Steam Generator (SG) false water level phenomenon is researched in this paper. Lumped parameter method was employed to establish the SG thermo-hydraulic model. To simulate the false level phenomenon of SG, a fossil electricity generation plant boiler steam pocket model technique was applied by adding a non-linear equation into the original model. Furthermore, a set of static calculation and dynamic calculation in typical plant transient condition were done. And related preliminary validation was also carried out. It is indicated that the model established in this paper is able to simulate the false level phenomenon of SG with proper accuracy. And it will be helpful for future design and related analysis work.

Copyright © 2018 by ASME

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