1909 二次元乱流噴流中の速度二成分・圧力場の同時計測の試み(S21-2 噴流,後流及びはく離流れの流動解析と応用(2),21世紀地球環境革命の機械工学:人・マイクロナノ・エネルギー・環境)

概要

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The fluctuating static pressure plays an important role in the energy balance and anisotropy of turbulence. So, for understanding dynamical characteristics of turbulent flow, the simultaneous measurement of velocity and pressure field is essential. In this study, we attempted to develop the combined probe of X-type hot-wire and static pressure probe, and the measurement was carried out in two dimensional jet flow by this new combined probe. In the velocity spectrum, the κ^<-5/3> power low could be observed and in the pressure spectrum, the κ^<-7/3> power low could be observed.
2008-08-02