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The behavior of immiscible liquids in spaceA demonstration experiment (TV102) was performed on the Skylab 4 mission to illustrate the behavior of immiscible liquids of different densities in zero-gravity. The purpose of the experiment was to determine the rate of coalescence of two well-characterized liquids, Krytox 143 AZ oil and water, after the liquids were finely dispersed by shaking. An analysis of the video-taped data and 35mm color transparencies indicates that all investigated emulsions were stable with only a small amount of observed coalescence for at least 10 hours after mixing, whereas the fluids in the ground-control case separated completely in 10 seconds. This experiment indicates that the coalescence rate was at least .000003 times smaller on Skylab than on earth.
Document ID
19740053165
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lacy, L. L. (NASA Marshall Space Flight Center Space Sciences Laboratory, Huntsville, Ala., United States)
Otto, G. H. (Alabama, University Huntsville, Ala., United States)
Date Acquired
August 7, 2013
Publication Date
July 1, 1974
Subject Category
Fluid Mechanics
Report/Patent Number
AIAA PAPER 74-668
Report Number: AIAA PAPER 74-668
Meeting Information
Meeting: Thermophysics and Heat Transfer Conference
Location: Boston, MA
Start Date: July 15, 1974
End Date: July 17, 1974
Sponsors: American Institute of Aeronautics and Astronautics, American Society of Mechanical Engineers
Accession Number
74A35915
Distribution Limits
Public
Copyright
Other

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