2019-3(32)

Operation of nuclear industry facilities

Article Name10.26583/GNS-2019-03-09
Development of Methods for Calculating the Frequency of Acoustic Standing Waves Generated by WWER Reactors
AuthorsK.N. Proskuryakov1, S.K. Belova2, A.V. Anikeev3, E. Afshar4
Address

National Research University «Moscow Power Engineering Institute», Krasnokazarmennaya st. 14, Moscow, Россия 111250

1ORCID iD: 0000-0002-1884-5576

 Wos Researher ID: I-3583-2017

e-mail: proskuriakovkn@mpei.ru

2ORCID iD: 0000-0002-4105-6110

e-mail: twitti.gus@mail.ru

3ORCID iD: 0000-0001-6463-2328X

e-mail: Anikeev@mpei.ru

4ORCID iD: 0000-0002-1884-5576

e-mail: afshari@mpei.ru

AbstractA comparison of results of calculation of acoustic standing waves frequency with auto spectral power densities of the sensor signals of pressure fluctuations for complex combinations of acoustic elements of the 1st contour of nuclear power plants with WWER-440 is provided. The results of calculation of acoustic standing waves frequencies are found to be in satisfactory agreement with the measurement data. The new approach to calculate the acoustic characteristics of combination of number acoustical elements in the coolant system of the WWER-440 is worked out. The reactor with cold and hot pipelines as a complex Helmholtz resonator was studied for the first time. It is established that the frequencies of acoustic standing waves depend on the number of acoustic elements contained in the supply and discharge pipelines taken into account in the calculation
Keywordsstanding waves, AFM, acoustic mass, acoustic compliance, verification
LanguageRussian
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