Verification of a Reactor’s Digital Acoustic Model in the Startup and Nominal Operation Modes of NPPs Equipped with VVER Reactors

• Published in: Thermal engineering Vol. 68; no. 11; pp. 834 - 840
• Main Authors: Proskuryakov, K. N., Anikeev, A. V., Afshar, E.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01.11.2021; Springer Nature B.V
• Subjects: Acoustic properties; Acoustic resonance; Acoustics; Coolant pumps; Cyclic loads; Design optimization; Dynamic loads; Emergency procedures; Engineering; Engineering Thermodynamics; Fuels; Heat and Mass Transfer; Helmholtz resonators; Modular design; Nuclear fuels; Nuclear Power Plants; Nuclear reactors; Pressurized water reactors; Renewable energy sources; Seismic stability; Seismic waves; Standing waves; Structural stability; Structural vibration; Technical information; Verification; Vibration monitoring; cyclic loads; Helmholtz resonator; fuel assemblies; dynamic loads; vibration; verification of analysis methods; coolant; optimization of structures and layouts

— At present, the regulatory technical documents developed in the late 21st century that stipulate design solutions and operating regulations for nuclear power plants do not include provisions for predicting and preventing the occurrence of vibroacoustic resonances of structures involving acoustic s...