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Title: Analytic prediction of complex unsteady flow fields in preheat PWR steam generators: Final report

Technical Report ·
OSTI ID:5160033

Turbulent buffeting and associated tube vibration may cause unacceptable levels of fretting wear within steam generator tube banks. Fretting wear occurs when the vibrating tubes impact against support plates and anti-vibration bars. The goal of this work is to investigate the feasibility of predicting stem generator tube buffeting and vibration in turbulent crossflow using computer models that avoid empiricisms. The value of such a technquie lies in the ability to verify its predictions with separate effect tests, that are more controlled and readily available, and in the greater reliability of its predictions in situations that have not been tested experimentally.

Research Organization:
Electric Power Research Inst., Palo Alto, CA (USA)
OSTI ID:
5160033
Report Number(s):
EPRI-NP-5543; ON: TI88010996
Country of Publication:
United States
Language:
English