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Investigation of the Aerodynamics of the Main Building of NPP with a Reactor Equipped with a Passive Heat-Removal System

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The results of an investigation of the aerodynamic action of wind on the operation of the heat-exchangers of a passive system removing heat to atmospheric air are presented. The object of the investigation is the main building of Novovoronezh NPP-2. The investigations were performed at the Institute for Physics and Power Engineering on an aerodynamic setup with maximum air flow rate in the loop 80·103 m3/h. The linear scale of the model is 1:200. In the experiments the pressure distribution was measured at several points: on the outer surface of the containment vessel of the reactor, at the locations of the air intakes of the heat-exchangers of the passive heat-removal system, inside the top deflector and the pressure drop along the air ducts of the heat exchangers of the passive heat-removal system for all possible directions and speeds of the wind. The investigation was conducted for constant air temperature and a one-dimensional velocity field in the air flow. The influence of a gradient velocity profile was judged according to the results obtained with a two-step profile of the velocity in the air flow. The experiments validated the technical decisions ensuring that the operation of the passive heat-removal system in the VVER at Novovoronezh NPP-2 is independent of the wind speed and direction.

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Authors and Affiliations

  1. State Science Center of the Russian Federation – Leipunskii Institute for Physics and Power Engineering (GNTs RF – FEI), Obninsk, Russia

    D. O. Kolomiets, Yu. D. Levchenko & L. V. Terenik

  2. Atomenergoprom Company, Moscow, Russia

    M. B. Mal’tsev & G. S. Taranov

Authors
  1. D. O. Kolomiets
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  2. Yu. D. Levchenko
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  3. L. V. Terenik
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  4. M. B. Mal’tsev
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  5. G. S. Taranov
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Additional information

Translated from Atomnaya Énergiya, Vol. 116, No. 2, pp. 72–78, February, 2014.

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Kolomiets, D.O., Levchenko, Y.D., Terenik, L.V. et al. Investigation of the Aerodynamics of the Main Building of NPP with a Reactor Equipped with a Passive Heat-Removal System. At Energy 116, 92–99 (2014). https://doi.org/10.1007/s10512-014-9824-1

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  • DOI: https://doi.org/10.1007/s10512-014-9824-1

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