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    Abstract
2014 (Vol. 8, Issue: 1)
Article Information:

Management of the Acoustic Characteristics of Jet Streams

Bulat Pavel Viktorovich and Uskov Vladimir Nikolaevich
Corresponding Author:  Bulat Pavel Viktorovich 

Key words:  Acoustic generator, acoustic waves, gas-jet acoustic generator, resonator, siren, whristle,
Vol. 8 , (1): 143-149
Submitted Accepted Published
April ‎08, ‎2014 May ‎10, ‎2014 July 05, 2014
Abstract:

The objects of research are devices, which generate and suppress the acoustic and wave pressure oscillations. Purpose of the study is the classification of oscillations generating devices, description of the physical principles of acoustic waves generation. The schemes of the most common sound generators-whistles are discussed. The gas-jet sound generators are described separately. It is shown that a simple cylindrical head at the supersonic nozzle can both enhance the acoustic emission and serve as an effective silencer. The comparison of acoustic emission of a supersonic jet and a jet, flowing into a cylindrical head is given. The results presented in the study can be recommended by the developers of whistles, sirens, other acoustic generators, installations for thermo-acoustic hardening metals, metallurgical blast devices.
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  Cite this Reference:
Bulat Pavel Viktorovich and Uskov Vladimir Nikolaevich, 2014. Management of the Acoustic Characteristics of Jet Streams.  Research Journal of Applied Sciences, Engineering and Technology, 8(1): 143-149.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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