NDLI: Behavior of rapidly sheared bubble suspensions

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Behavior of rapidly sheared bubble suspensions

Content Provider	NASA Technical Reports Server (NTRS)
Author	Kushch, V. I. Sangani, A. S. Koch, D. L. Nahra, H. Tsang, Y. Hoffmann, M.
Copyright Year	2002
Description	An experiment to be carried out aboard the International Space Station is described. A suspension consisting of millimeter-sized bubbles in water containing some dissolved salt, which prevents bubbles from coalescing, will be sheared in a Couette cylindrical cell. Rotation of the outer cylinder will produce centrifugal force which will tend to accumulate the bubbles near the inner wall. The shearing will enhance collisions among bubbles creating thereby bubble phase pressure that will resist the tendency of the bubbles to accumulate near the inner wall. The bubble volume fraction and velocity profiles will be measured and compared with the theoretical predictions. Ground-based research on measurement of bubble phase properties and flow in vertical channel are described.
File Size	847210
Page Count	18
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20020038581
Archival Resource Key	ark:/13960/t8x975856
Language	English
Publisher Date	2002-02-01
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Thermodynamics Bubbles Gravitational Effects Shear Flow Collisions Spaceborne Experiments Pressure Distribution Centrifugal Force Couette Flow Velocity Distribution Microgravity Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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