NDLI: Characteristics of Fluid Flows in a Novel Self-Stirring Reactor

Content Provider	Springer Nature Link
Author	Zhang, Zimu Zhao, Qiuyue Lv, Chao Dou, Zhihe Lv, Guozhi Zhang, Dianhua Zhang, Tingan
Copyright Year	2014
Abstract	Fluid flow characteristics in a novel self-stirring reactor have been studied by numerical simulation method and particle image velocity (PIV) in this article. The novel self-stirring reactor is furnished with a driving turbine that can make impellers agitate under high-pressure energy of fluid. It is found that areas of dead zone decrease with an increase of the liquid level in range of 60–200 mm for the driving turbine and impeller types used in this study. The dead zone almost disappears with the liquid level 200 mm. Some minor-cycle flows that appear in the axial direction promote the mixing and exchange of fluid, which is beneficial to the process of dissolution reaction. Free-fall of liquid becomes more distinct and more energy losses occur as the situation gets further from the inlet. The pressure energy of fluid is converted into kinetic energy, and the velocity near the driving turbine is greater. While rotation drag is smaller at liquid level of 180 mm, the effect of circulation is obvious. The flow field recorded by PIV is consistent with the result achieved by simulation. Agitation leads to the level fluctuation. The velocity direction is away from the stirring shaft and outward toward the wall of the reactor.
Starting Page	1197
Ending Page	1201
Page Count	5
File Format	PDF
ISSN	10474838
Journal	JOM
Volume Number	66
Issue Number	7
e-ISSN	15431851
Language	English
Publisher	Springer US
Publisher Date	2014-06-03
Publisher Institution	The Minerals, Metals & Materials Society (TMS)
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Engineering Chemistry/Food Science Physics Environment Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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