Noise Generation of Air Bubbles in Water: An Experimental Study of Creation and Splitting
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Noise Generation of Air Bubbles in Water: An Experimental Study of Creation and Splitting
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1987-12
Publisher
St. Anthony Falls Hydraulic Laboratory
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Report
Abstract
Although the study of two-phase flow, especially air-water
mixtures, has received much attention in recent years, little has been
done concerning the noise' generated by non-cavitating air water flows.
The main purpose of this work is to examine these flows; in particular,
to look at the noise associated with the creation of air bubbles at a
nozzle, and the noise radiated by air bubbles splitting in the shear
layer of a submerged turbulent water jet. Experiments were conducted to
measure the sound pressure levels associated with bubble creation and
bubble splitting, under a variety of conditions. Comparison were made
with existing theories. An improved physical understanding of the
mechanism of noise generation was gained through data analysis and
photographic studies. Recommendations for further research are given.
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269
269
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Department of the Navy
David W. Taylor Naval Ship Research and Development Center
Contract No. N00167-86-K-0054
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Frizell, Kenneth Warren; Arndt, Roger E. A.. (1987). Noise Generation of Air Bubbles in Water: An Experimental Study of Creation and Splitting. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/114029.
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