PRESSURE MEASUREMENT TEST OF SINGLE ELBOW SIMULATING Na COOLED FAST REACTOR COLD-LEG PIPING
bow piping system is adopted for its cold-legs. Flow Induced Vibration (FIV) is considered to be caused by complex flow with very high velocity in the elbows. In this study, pressure measurement test of a single elbow flow is conducted to find out pressure fluctuation characteristic which is related to the elbow turbulent flow and lead potentially to the FIV. Two types of experimental loops, that is, 1/7 and 1/15-scale setup simulating the JSFR cold-leg pipings, are used for pressure measurement, and a distinguishing peak can be seen in the power spectrum density profile of pressure fluctuation obtained where flow separation occurs and at the downstream from it. This characteristics of pressure fluctuation is obtained from the two different scale experiments, and the scale effect is not found in terms of the pressure fluctuation.
Shinji Ebara Yuta Aoya Tsukasa Sato Hidetoshi Hashizume Kazuhisa Yuki Kosuke Aizawa Hidemasa Yamano
Department of Quantum Science and Energy Engineering,Graduate School of Engineering,Tohoku Universit Tokyo University of Science, Yamaguchi Japan Atomic Energy Agency
国际会议
18th International Conference on Nuclear Engineering(第18届国际核能工程大会 ICONE 18)
西安
英文
1-9
2010-05-17（万方平台首次上网日期，不代表论文的发表时间）