XVIII. On acoustically effective vortex motion in gaseous jets
- 1 September 1941
- journal article
- research article
- Published by Taylor & Francis in Journal of Computers in Education
- Vol. 32 (212) , 245-252
- https://doi.org/10.1080/14786444108520791
Abstract
Tollmien's general criterion of instability of one-dimensional fluid motion is applied to the problem of sound sensitive plane jets. Bickley's formula is inserted into Tollmien's disturbance equation and stream function, wave-velocity and wave-length are found. The stream-line representation shows good qualitative agreement with G. B. Brown's photographs of smoke jets. Furthermore, a formula connecting the frequency of the sound with either of the two proper values of the disturbance equation is derived, which is in fair agreement with G. B. Brown's measurements on edge-tones. A brief explanation of the phenomenon of sensitive jets is given.Keywords
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