Sturtevant, B. and Keller, J. J. (1978) Subharmonic nonlinear acoustic resonances in open tubes. Part II: Experimental investigation of the open-end boundary condition. Zeitschrift für Angewandte Mathematik und Mechanik, 29 (3). pp. 473-485. ISSN 0044-2275. doi:10.1007/bf01590768. https://resolver.caltech.edu/CaltechAUTHORS:20200702-141159710
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Abstract
Nonlinear oscillations driven by a piston which oscillates near one-half of the fundamental frequency of an open tube are studied. A simple model for the boundary condition at the open end of the tube, which allows for arbitrary losses during inflow and outflow, is investigated. Experimental results are presented which lead to the determination of the relationship between departures from Bernoulli flow during inflow and outflow. It is shown that rounded mouth pieces show very small losses, presumably due to nonsteadyflow effects. Sharp mouth pieces exhibit extremely large losses, much larger than in steady-flow jets. The sources of the large variation of end losses with relatively small changes of mouth geometry and of large frequency dependence exhibited by the end losses in sharp-lipped mouths are not understood.
Item Type: | Article | ||||||
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Additional Information: | © 1978 Springer Verlag. Received 06 January 1978; Issue Date May 1978. | ||||||
Group: | GALCIT | ||||||
Subject Keywords: | Fundamental Frequency; Nonsteady flow; Nonlinear Oscillation; Large Frequency; Open Tube | ||||||
Issue or Number: | 3 | ||||||
DOI: | 10.1007/bf01590768 | ||||||
Record Number: | CaltechAUTHORS:20200702-141159710 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20200702-141159710 | ||||||
Official Citation: | Sturtevant, B., Keller, J.J. Subharmonic nonlinear acoustic resonances in open tubes. Part II: Experimental investigation of the open-end boundary condition. Journal of Applied Mathematics and Physics (ZAMP) 29, 473–485 (1978). https://doi.org/10.1007/BF01590768 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 104216 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 02 Jul 2020 21:16 | ||||||
Last Modified: | 16 Nov 2021 18:29 |
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