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

被引：14
|
作者：
Melander, O [1 ]
Rasmuson, A
机构：
[1] Metso Paper Sundsvall AB, Sundsvall, Sweden
[2] Chalmers Univ Technol, Dept Chem Engn & Environm Sci, S-41296 Gothenburg, Sweden
来源：
EXPERIMENTS IN FLUIDS | 2004年 / 37卷 / 02期
关键词：
particle image velocimetry; particle laden flows; two-phase flows; fibres; particle transport;
D O I：
10.1007/s00348-004-0819-x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
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.
引用
收藏
页码：293 / 300
页数：8
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