Nanotechnology in Environmental Science by Hussain Chaudhery Mustansar Mishra Ajay Kumar & Ajay Kumar Mishra

Author:Hussain, Chaudhery Mustansar,Mishra, Ajay Kumar & Ajay Kumar Mishra
Language: eng
Format: epub
ISBN: 9783527342945
Publisher: John Wiley & Sons, Inc.
Published: 2018-04-04T00:00:00+00:00

13.2.3.3.2 Attachment Tendency of 1–30 µm Size-range (St = 3 · 10−3–2.6)

Time for attachment in this particle size range increases when particle size is reduced. We assume that this is due to the fact that large particles deviate from the streamlines, a drift that leads to grouping. Figure 13.9 compares the grouping tendencies for two particle sizes: grouping of two 2 µm particles and of two 20 µm particles. The trajectory of 2 µm particles has a sinusoidal shape, which means that particles are following the streamlines. However, the trajectories of the 20 µm particles are less sinusoidal in shape. They do not closely follow the streamlines and grouping is more rapid for the larger particles.

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