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Abstract
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Article Information:
Management of the Acoustic Characteristics of Jet Streams
Bulat Pavel Viktorovich and Uskov Vladimir Nikolaevich
Corresponding Author: Bulat Pavel Viktorovich
Submitted: April 08, 2014
Accepted: May 10, 2014
Published: July 05, 2014 |
Abstract:
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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.
Key words: Acoustic generator, acoustic waves, gas-jet acoustic generator, resonator, siren, whristle,
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Cite this Reference:
Bulat Pavel Viktorovich and Uskov Vladimir Nikolaevich, . Management of the Acoustic Characteristics of Jet Streams. Research Journal of Applied Sciences, Engineering and Technology, (1): 143-149.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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