Investigation of Aerosol-Deposition Induced Changes in Heat-Exchanger Material Properties During a Severe Accident at NPP

Investigation of Aerosol-Deposition Induced Changes in Heat-Exchanger Material Properties During a Severe Accident at NPP

The results of an experimental investigation of the changes occurring in the properties of heat-exchanger material and the thermal conductivity as a result of non-soluble aerosol deposition on heat-exchange surfaces of the passive system removing heat from the containment during severe accidents at...

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Veröffentlicht in:Atomic energy (New York, N.Y.) N.Y.), 2020-02, Vol.127 (4), p.223-227
Hauptverfasser: Fis’kov, A. A., Bezlepkin, V. V., Kritskii, V. G., Pogrebenkov, V. M., Ditts, A. A.
Format: Artikel
Sprache:eng
Schlagworte:
Aerosols
Cooling water
Deposition
Energy industry
Experiments
Gas mixtures
Gases
Hadrons
Heat
Heat conductivity
Heat exchange
Heat exchangers
Heavy Ions
Material properties
Nitrogen
Nuclear Chemistry
Nuclear Energy
Nuclear Physics
Nuclear power plants
Physics
Physics and Astronomy
Thermal conductivity
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Zusammenfassung:The results of an experimental investigation of the changes occurring in the properties of heat-exchanger material and the thermal conductivity as a result of non-soluble aerosol deposition on heat-exchange surfaces of the passive system removing heat from the containment during severe accidents at NPP are reported. As the investigations showed, the deposited aerosol does not significantly influence the heat exchange between the steam-gas mixture and the cooling water flowing through the heat exchanger.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-020-00614-6