High-Speed Droplet Hitting a Dry Surface with Different Liquid
Date Issued
2008
Date
2008
Author(s)
Tseng, Kun-Cheng
Abstract
The study discusses the physical atmosphere of the droplet impact the dry surface with the experiment and designs the appliance to speed droplet in a short distance. With regard to a droplet hitting dry surface, the liquid used to hit are water, Glycerol, Heptane, and Nonane. The control parameter is hitting speed and surface roughness. The experiment emphasizes the liquid hitting surface process by the picture taking from the top because there are few studies used by this way, and it also discusses the different physical atmosphere. In addition, on account of the hitting process capture of the high speed video camera, we can analyze and discuss the splash diameter and maximum spread diameter of different liquid. There also discusses the relation with the number of fingers and surface roughness and compare with the former workers.
Subjects
droplet collision,
high speed droplet
dry surface
splash diameter
Weber number
Type
thesis
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ntu-97-R95522113-1.pdf
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