907 オリフィスを通過する旋回流の流速分布について
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概要
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Swirl flow occurs frequently in fluid machines and curved pipe line. The swirl flow in a circular tube may have higher axial velocity at the wall than the center due to non-uniform pressure in a cross-section of tube. It is interested in the swirl flow through an orifice plate because the distorted velocity profiles can affect the flow measurement and flow-accelerated corrosion of pipe wall. Using the laser doppler velocimeter, this study found the velocity distribution and turbulence intensity of swirl flow through the orifice plate, and the results appear to be physically reasonable.
- 2007-09-28