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Fluid state oscillator operating characteristics
Howes, David B.
Howes, David B.
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t1964_Howes.pdf
Adobe PDF, 7.24 MB
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1964-05
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Abstract
A fluid state oscillator based on a turbulence amplifier was tested to provide parametric information on oscillator operating characteristics. The test oscillator was a laboratory device not suitable for direct incorporation into a fluid system.
The testing of the oscillator was accomplished by determining the effects of changes in flow conditions and geometric parameters on the frequency of oscillation. The parameters considered were nozzle-receiver spacing, feedback tube length, the length of the output tubes, and nozzle velocity. A simple hot-wire anemometer system was fabricated to determine the frequency of oscillation. Plots of dimensionless parameters were made to express relationships between the frequency of oscillation and the geometrical parameters.
The major conclusions made were that the StrouhaI number is independent of Reynolds number and that the frequency of oscillation is relatively independent of the length of the output tubes.
Table of Contents
List of Symbols -- Summary -- Introduction -- Theoretical considerations -- Test equiptment and instrumentation -- Experimental results -- Conclusions -- Appendix A - hot-wire anemometer techniques -- Appendix B - preliminary tests -- References -- Bibliography
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Thesis (M.S.)-- University of Wichita, College of Engineering, Dept. of Aeronautical Engineering
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Wichita State University
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Wichita State University