Skip to main content
SpringerLink
Log in

Validation of the KORSAR/GP Code Based on the Results of Tests of Maneuvering Conditions of a VVER Reactor with an Extended Control Range

  • Published:
Physics of Atomic Nuclei Aims and scope Submit manuscript

Abstract

The report presents part of large-scale work on validation of the KORSAR/GP code for the calculation of the parameters of a VVER reactor in power maneuvering regimes. The relevance of the work is due to the novel requirements for NPP power units related to maintaining a flexible schedule of electric load and the feasibility of its operational change, which is required by both Russian and foreign users of VVER technology. Over the past two years, a significant amount of experimental results obtained in testing the daily schedule of maintaining electric load by a high-power VVER reactor unit was accumulated. Ten daily cycles were tested in succession at the beginning and end of the fuel cycle. An important distinguishing feature was the application of an extended range of the secondary-circuit pressure control, which made it possible to use the coolant temperature variation as one of the main methods to affect reactivity. The first stage of the validation work, which was carried out for pretest calculations, enabled checking the qualitative coincidence of the main parameters of a reactor unit with experimental data. This study is devoted to the validation of reactor unit power and the temperature of coolant in the circulation circuits and determination of the quantitative assessment of error. Results of validation are provided for various schedules of power variation of a reactor unit and, in addition, justified conclusions are made regarding the accuracy of the computational model used in the KORSAR/GP code.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1.
Fig. 2.
Fig. 3.
Fig. 4.
Fig. 5.
Fig. 6.
Fig. 7.
Fig. 8.
Fig. 9.
Fig. 10.
Fig. 11.
Fig. 12.
Fig. 13.
Fig. 14.
Fig. 15.
Fig. 16.
Fig. 17.

REFERENCES

  1. M. A. Uvakin, I. V. Makhin, A. L. Nikolaev, and E. V. Sotskov, in Proc. 11th Int. Sci.-Tech. Conf. on Safety Provision in Nuclear Power Plants with VVER (Podolsk, Moscow oblast, 2019).

  2. A. L. Nikolaev and M. A. Uvakin, in Proc. 11th Int. Sci.-Tech. Conf. on Safety Provision in Nuclear Power Plants with VVER (Podolsk, Moscow oblast, 2019).

  3. M. A. Uvakin, A. L. Nikolaev, I. V. Makhin, and E. V. Sotskov, Vopr. At. Nauki Tekh., Ser.: Yad.-Reakt. Konstanty, No. 1, 55 (2021). https://doi.org/10.55176/2414-1038-2021-1-55-65

  4. P. E. Filimonov, Yu. M. Semchenkov, V. V. Malyshev, N. Yu. Dolgopolov, V. P. Povarov, and I. N. Gusev, At. Energy 129, 123 (2020). https://doi.org/10.1007/s10512-021-00721-y

    Article  CAS  Google Scholar 

  5. A. L. Nikolaev, M. A. Uvakin, M. V. Antipov, I. V. Makhin, and E. V. Sotskov, Vopr. At. Nauki Tekh., Ser.: Fiz. Yad. Reakt., No. 2, 41 (2021).

  6. A. L. Nikolaev and M. A. Uvakin, Vopr. At. Nauki Tekh., Ser.: Fiz. Yad. Reakt., No. 4, 5 (2019). https://doi.org/10.55176/2414-1038-2019-4-5-14

  7. “Software complex KORSAR/GP,” RF Attestation Pass No. 537 (Rostekhnadzor, 2021).

Download references

Funding

This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.

Author information

Authors and Affiliations

  1. Special Design Bureau Gidropress, 142103, Podolsk, Moscow oblast, Russia

    A. L. Nikolaev, M. A. Uvakin, M. V. Antipov, I. V. Makhin, E. V. Sotskov & N. V. Sharyi

Authors
  1. A. L. Nikolaev
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. M. A. Uvakin
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. M. V. Antipov
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. I. V. Makhin
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. E. V. Sotskov
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. N. V. Sharyi
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding authors

Correspondence to A. L. Nikolaev or M. A. Uvakin.

Ethics declarations

The authors of this work declare that they have no conflicts of interest.

Additional information

Translated by M. Shmatikov

Publisher’s Note.

Pleiades Publishing remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Nikolaev, A.L., Uvakin, M.A., Antipov, M.V. et al. Validation of the KORSAR/GP Code Based on the Results of Tests of Maneuvering Conditions of a VVER Reactor with an Extended Control Range. Phys. Atom. Nuclei 86, 1863–1873 (2023). https://doi.org/10.1134/S1063778823080252

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1134/S1063778823080252

Keywords:

Search

Navigation