Analysis and testing of high entrainment single nozzle jet pumps with variable mixing tubes /
Kenneth E. Hickman, Philip G. Hill, and Gerald B. Gilbert.
Description
- Language(s)
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English
- Published
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Washington, D.C. : National Aeronautics and Space Administration ; 1972.
- Summary
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An analytical model was developed to predict the performance characteristics of axisymmetric single-nozzle jet pumps with variable area mixing tubes. The primary flow may be subsonic or supersonic. The computer program uses integral techniques to calculate the velocity profiles and the wall static pressures that result from the mixing of the supersonic primary jet and the subsonic secondary flow. An experimental program was conducted to measure mixing tube wall static pressure variations, velocity profiles, and temperature profiles in a variable area mixing tube with a supersonic primary jet. Static pressure variations were measured at four different secondary flow rates. These test results were used to evaluate the analytical model. The analytical results compared well to the experimental data. Therefore, the analysis is believed to be ready for use to relate jet pump performance characteristics to mixing tube design.
- Note
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"NASA CR-2067."
"June 1972."
Cover title.
Also available via Internet from the NASA Technical Reports Server (http://ntrs.nasa.gov/). Address as of 6/21/06: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19720020347%5f1972020347.pdf.
- Physical Description
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iii, 137 p. :
ill. ;
27 cm.
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University of Illinois at Urbana-Champaign
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