PIV measurements of velocities and concentrations of wood fibres in pneumatic transport

Melander O; Rasmuson A

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PIV measurements of velocities and concentrations of wood fibres in pneumatic transport

机译：PIV测量气动运输中木纤维的速度和浓度

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A method for simultaneous measurement of the concentration and velocity of wood fibres suspended in air was developed. The velocity of the wood fibres was measured by the use of particle image velocimetry (PIV). The concentration of wood fibres was measured using the raw images from the PIV equipment as input data. An image processing procedure was used to determine the volume fraction of the fibre particles in the images. The method gave good qualitative and quantitative results for low volume fractions of fibres; for higher volume fractions the quantitative results were unsatisfactory.

机译：开发了一种同时测量悬浮在空气中的木纤维浓度和速度的方法。木纤维的速度通过使用颗粒图像测速仪（PIV）进行测量。使用来自PIV设备的原始图像作为输入数据来测量木纤维的浓度。使用图像处理程序确定图像中纤维颗粒的体积分数。该方法对低体积分数的纤维给出了良好的定性和定量结果。对于更高的体积分数，定量结果并不令人满意。

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《Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow》 |2004年第2期|共8页
作者
Melander O; Rasmuson A;
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正文语种 eng
中图分类流体力学;
关键词
particle image velocimetry; particle laden flows; two-phase flows; fibres; particle transport; AIR SUSPENSIONS; FLOW;

机译：颗粒图像测速;颗粒载流;两相流;纤维;颗粒传输;空气悬浮;流动;

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2. PIV measurements of velocities and concentrations of wood fibres in pneumatic transport [J] . Melander O, Rasmuson A Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow . 2004,第2期

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PIV measurements of velocities and concentrations of wood fibres in pneumatic transport

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