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Ground Based Studies of Gas-Liquid Flows in Microgravity Using Learjet TrajectoriesA 1.27 cm diameter two phase gas-liquid flow experiment has been developed with the NASA Lewis Research Center to study two-phase flows in microgravity. The experiment allows for the measurement of void fraction, pressure drop, film thickness and bubble and wave velocities as well as for high speed photography. Three liquids were used to study the effects of liquid viscosity and surface tension, and flow pattern maps are presented for each. The experimental results are used to develop mechanistically based models to predict void fraction, bubble velocity, pressure drop and flow pattern transitions in microgravity.
Document ID
19970003778
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Bousman, W. S.
(Houston Univ. TX United States)
Dukler, A. E.
(Houston Univ. TX United States)
Date Acquired
August 17, 2013
Publication Date
January 1, 1994
Publication Information
Publisher: American Inst. of Aeronautics and Astronautics
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
NAS 1.26:202554
NASA-CR-202554
AIAA Paper 94-0829
E-9563
Meeting Information
Meeting: Aerospace Sciences Meeting and Exhibit
Location: Reno, NV
Country: United States
Start Date: January 10, 1994
End Date: January 13, 1994
Sponsors: American Inst. of Aeronautics and Astronautics
Accession Number
97N70250
Funding Number(s)
CONTRACT_GRANT: NAG3-510
PROJECT: RTOP 656-61-23
Distribution Limits
Public
Copyright
Public Use Permitted.
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