Pressure field measurement system for 3D flows around rotating wind turbines

2016 Fiscal Year Final Research Report

• Project/Area Number: 15K13861
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Fluid engineering
• Research Institution: Hokkaido University
• Principal Investigator: Murai Yuichi 北海道大学, 工学研究院, 教授 (80273001)
• Project Period (FY): 2015-04-01 – 2017-03-31
• Keywords: 流体工学 / 風力発電 / 自然エネルギー / 風車 / PIV / 可視化 / 圧力計測 / 風洞

Outline of Final Research Achievements

Wind power now speads at a pace of ten folds a decade, and experiences various problems which has not been pointed out before such as lack of power estimated, blade damage with sudden unstable airflows, and flow noises claimed by residents. All of them associate to pressure field of flow. Particle image velocimetry has been contributing to experimental fluid dynamics though, it hardly produces problem-solving of the issue above. This is because PIV does not measure pressure field directly despite to its rich information of velocity vector field. In this project, we have developed several numerical and experimental systems that can measure multi-dimensional pressure field as a function of time, to improve the pace of development in trial-and-error designs of various wind turbines.

Free Research Field

流体工学