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2014 (Vol. 8, Issue: 23)
Article Information:

Discontinuity of Gas-dynamic Variables in the Center of the Compression Wave

Pavel Viktorovich Bulat and Mikhail Pavlovich Bulat
Corresponding Author:  Pavel Viktorovich Bulat 

Key words:  Centered compression wave, compression polar, isentropic compression, shockwave structure, shockwave, shock,
Vol. 8 , (23): 2343-2349
Submitted Accepted Published
‎September ‎22, ‎2014 November ‎10, ‎2014 December 20, 2014
Abstract:

The purpose of research-the study of the flow in the center of the centered isentropic compression waves. Gas-dynamic discontinuities cover shocks, shockwaves, interfaces and sliding surfaces and also the center of the centered compression wave one-dimensional and two-dimensional. For a long time there has been no analysis of the shockwave structures arising in the center of compression waves. At the same time, the problem of development of supersonic and hypersonic air inlets demands to consider the process of the stream isentropic compression. This problem is connected (three-dimensional case) to the problem of arising inside the streams of hinged shocks as opposite to the usual discontinuities not resulted by interaction of supersonic streams, waves and discontinuities, but like from nowhere. This study sets the problem for study in the terms of the developed theory of the interference of gas-dynamic discontinuities of the area of existing solutions for the structures of possible types. We have obtained the relations describing the parameters in the center of the compression wave. We have considered the neutral polar of neither compression meeting the case when in the center of the compression wave there neither shocks nor depression waves. The analysis of properties of the centered compression wave adds to the theory of stationary gas-dynamic discontinuities. We have specified the borders of the shock structure existence area optimal for development of supersonic diffusers.
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  Cite this Reference:
Pavel Viktorovich Bulat and Mikhail Pavlovich Bulat, 2014. Discontinuity of Gas-dynamic Variables in the Center of the Compression Wave.  Research Journal of Applied Sciences, Engineering and Technology, 8(23): 2343-2349.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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