| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2011: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2009: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Research Abstract |
In this study, we developed a measuring method of instantaneous concentration distributions in turbulent flow based on the results of flow visualization. We applied this method to the turbulent mixing in a cross-flow type T-junction. By analyzing the measured instantaneous concentration distributions with the proper orthogonal decomposition, we extracted large scale periodic fluctuations of the mixing interface between two flows mixed in the T-junction. Then, the turbulent heat/mass transfer process in the T-junction was made clear by combining these data with the measured results of velocity and turbulent heat fluxes.
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