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yt.yutian.

金虫 (小有名气)

[求助] 翻译2句话

The microfluidic channels with large width to depth ratios (e.g.,
the expanded channel) can be approximated as two closely spaced
parallel plates similar to a Hele-Shaw cell. At low Reynolds
numbers, the depth averaged Navier-Stokes equation reduces
to the Laplace equation for pressure (Darcy’s law). This equation
is a potential flow equation and based on this assumption, the
streamlines will linearly expand with the channel dimensions.
Nearly linear amplification of streamlines has also been experimentally
observed by Yamada et al.,39 and therefore, the distance
between the particle centers in the broadened section is given as
where a is the aspect ratio of the device defined as the ratio of
broadened section width and pinched section width (wb/wp) and
¢dp is the difference of the particle diameters.
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至尊木虫 (职业作家)

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yt.yutian.(金币+10, 翻译EPI+1): 谢谢 2011-05-28 21:37:51
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