Three-dimensional instantaneous velocity field measurement using digital holography microscope

被引：0
|
作者：
DHANANJAY KUMAR SINGH
P K PANIGRAHI
机构：
[1] Indian Institute of Technology,Department of Mechanical Engineering
[2] Indian Institute of Technology,Centre for Lasers and Photonics
来源：
Pramana | 2014年 / 82卷
关键词：
Holography; velocity measurements; laminar flow in microchannel.; 42.40.–i; 06.30.Gv; 47.15.Rv;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In the present study, a digital holography microscope has been developed to study instantaneous 3D velocity field in a square channel of 1000 × 1000 μm2 cross-section. The flow field is seeded with polystyrene microspheres of size dp = 2.1 μm. The volumetric flow rate is set equal to 20 μl/min. The instantaneous 3D velocity field is obtained by correlating the particles obtained from the 3D numerical reconstruction of holograms using particle tracking velocimetry (PTV).
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页码：439 / 444
页数：5
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