NDLI: Experimental Study of Axial Slit Wall Effect on Taylor-Couette Flow

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Lee, Sang-Hyuk Kim, Hyoung-Bum
Copyright Year	2007
Abstract	Taylor-Couette flow has been studied extensively and lots of variables which affect the flow instability are being reported. The wall geometry effect of Taylor-Couette flow, however, has been less studied. In this study, we investigated the effect of axial slit of outer cylinder. This kind of configuration can be easily seen in rotating machinery. Particle image velocimetry method was used to measure the velocity fields in longitudinal and latitudinal planes. The index matching method was used to avoid light refraction. The velocity fields between the slit and plain model which has the smooth wall were compared. From the experiments, both models have the same flow mode below Re = 143. The transition from circular Couette flow to plain Taylor vortex flow began at Re = 103, and the next transition to wavy vortex flow occurred at 124. The effect of slit wall appeared when the Reynolds number is larger than Re = 143. Above this Reynolds number, there was no stable mode and plain and wavy Taylor vortex flow randomly appeared.
Sponsorship	Fluids Engineering Division
Starting Page	21
Ending Page	25
Page Count	5
File Format	PDF
ISBN	0791842894
DOI	10.1115/FEDSM2007-37321
e-ISBN	0791838056
Volume Number	Volume 2: Fora, Parts A and B
Conference Proceedings	ASME/JSME 2007 5th Joint Fluids Engineering Conference
Language	English
Publisher Date	2007-07-30
Publisher Place	San Diego, California, USA
Access Restriction	Subscribed
Subject Keyword	Plain taylor vortex Wavy vortex flow Circular couette flow Cavity flow Rotating reynolds number (re) Flow (dynamics) Reynolds number Vortex flow
Content Type	Text
Resource Type	Article

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