Optical coherence tomography velocimetry in controlled shear flow.
Optical coherence tomography velocimetry in controlled shear flow.
复制标题
受控剪切流中的光学相干断层扫描测速。
DOI:
10.1103/physreve.83.031502
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发表时间:
2011
期刊:
影响因子:
--
通讯作者:
Harvey M
中科院分区:
文献类型:
--
作者:
Harvey M
Doppler-shift optical coherence tomography with infrared light was used to probe the velocity profiles of concentrated solutions of complex fluids with samples experiencing steady-state shear flow. The apparatus is sensitive to a velocity range of 0.7–330 mm/s probing very small volumes of material (quasicylindrical volume elements of 9-μm length and 11-μm radius with 3.4-picoliter volumes) inside a plate-plate rheometer with a total sample volume of ∼100–1000 μL. The technique can scan the flow in the plane perpendicular to the shear direction, building up a two-dimensional map of the velocity flow field. The use of a coherence gate with a broad-band infrared source (9-μm coherence length, 1300-nm wavelength) allows opaque specimens, such as concentrated colloidal suspensions (2% w/w) and margarine, to be probed. We observe the phenomena of wall slip (margarine) and shear banding (polyacrylamide, a linear flexible polyelectrolyte) using this technique.
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影响因子:
3.3
作者:
M. Tassieri;T. Waigh;J. Trinick;A. Aggeli;R. Evans
通讯作者:
R. Evans
影响因子:
4
作者:
Sharma R
通讯作者:
Sharma R
影响因子:
3.6
作者:
B. Heise;D. Stifter
通讯作者:
D. Stifter
影响因子:
3.3
作者:
Fluerasu, Andrei;Kwasniewski, Pawel;Madsen, Anders
通讯作者:
Madsen, Anders
DOI:
10.1088/0953-8984/17/25/l06
发表时间:
2005
期刊:
Journal of Physics: Condensed Matter
影响因子:
--
作者:
A. Papagiannopoulos;T. Waigh;A. Fluerasu;C. Fernyhough;A. Madsen
通讯作者:
A. Madsen