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Journal Articles

Flow-induced vibration evaluation of primary hot-leg piping in advanced loop-type sodium-cooled fast reactor for demonstration

Yamano, Hidemasa; Xu, Y.*; Sago, Hiromi*; Hirota, Kazuo*; Baba, Takeo*

Proceedings of 2016 International Congress on Advances in Nuclear Power Plants (ICAPP 2016) (CD-ROM), p.1029 - 1038, 2016/04

This study conducted the flow-induced vibration evaluation of the primary hot-leg piping in the demonstration reactor design of advanced loop-type sodium-cooled fast reactor in order to confirm the integrity of the piping. Following the description of the primary hot-leg piping design and a design guideline of the flow-induced vibration evaluation, this paper describes mainly the flow-induced vibration evaluation and thereby the integrity assessment. In the fatigue evaluation for the flow-induced vibration, the pipe stresses considering the stress concentration factor and so on, at representative locations were less than the design fatigue limit. Therefore, this evaluation confirmed the integrity of the primary hot-leg piping in the demonstration reactor.

Journal Articles

Study on flow induced vibration evaluation for a large scale JSFR piping, 2; Vibration analysis in 1/3 scale hot-leg piping experiments under swirl inflow conditions

Baba, Takeo*; Hirota, Kazuo*; Sago, Hiromi*; Yamano, Hidemasa; Aizawa, Kosuke; Xu, Y.*

Proceedings of 19th International Conference on Nuclear Engineering (ICONE-19) (CD-ROM), 9 Pages, 2011/10

Oral presentation

Study on flow-induced-vibration evaluation of large-diameter pipings in a sodium-cooled fast reactor, 27; 1/3 scale hot-leg piping experiments and vibration analysis under swirl inflow conditions

Baba, Takeo*; Hirota, Kazuo*; Sago, Hiromi*; Yamano, Hidemasa; Aizawa, Kosuke; Xu, Y.*

no journal, ,

no abstracts in English

Oral presentation

Evaluation for flow-induced vibration of a primary circuit hot-leg piping in a sodium-cooled fast reactor, 3; Evaluation method for random vibration based on PSD and correlation length of pressure fluctuation

Hirota, Kazuo*; Baba, Takeo*; Sago, Hiromi*; Xu, Y.*; Kaneko, Tetsuya; Yamano, Hidemasa

no journal, ,

no abstracts in English

Oral presentation

Study on flow-induced vibration of large-diameter pipings in a sodium-cooled fast reactor, 36; 1/3 scale hot-leg piping experiments and vibration analysis under deflected inflow conditions

Baba, Takeo*; Hirota, Kazuo*; Sago, Hiromi*; Xu, Y.*; Yamano, Hidemasa; Kaneko, Tetsuya

no journal, ,

no abstracts in English

Oral presentation

Study on flow-induced-vibration evaluation of large-diameter pipings in a sodium cooled fast reactor, 45; Structural integrity evaluation of the primary hot leg pipe due to flow-induced vibration

Xu, Y.*; Sago, Hiromi*; Hirota, Kazuo*; Baba, Takeo*; Yamano, Hidemasa

no journal, ,

Structural integrity evaluation has been carried out for a hot-leg pipe due to random vibration induced by turbulence of pipe flow using "proposed guideline of flow-induced vibration evaluation for the primary hot-leg piping in sodium-cooled fast reactor", which has reflected the R&D results of the flow-induced vibration for a large-diameter piping. This gave the prospect of integrity of the primary hot-leg piping in the demonstration fast reactor.