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Reference 1: www.physics.info/shock/
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A shockwave is the high pressure wave produced by an object that travels faster than the speed of sound according to the same medium characteristics, in which different changes can be measured for example; extreme pressure and rising of the temperature.
The visualisation of the shockwave can be seen in the following picture.
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Reference 4: Screenshots from the Video bellowbelow.
Mach Number
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Reference 5: http://www.nasa.../airplane/mach.html | This number was proposed by the Austrian phycisist and philosofer Ernst Mach in (1838-1916), one of the most notorius teorist phisicist.
The mach number is known as a measurement or unit and is defined as the coeficient of the velocity of an object and the velocity of the sound.
This number is used to express the velocity of an object taking the sound velocity as a reference, something very interesting about the moment is that velocity of sound changes depending on the atmospheric conditions.
For example: With a higher altitude compare to the sea level, the speed of sound is less than the one found at the sea level. |
Video
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This video has been chosen because it explains briefly the main idea of shockwave and after watch the video you will have the main understanding of how, why and what is a shockwave.
I hope that all of you take 3 minutes to watch the video and enjoy the visual effects that a shockwave can generate.
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| url | https://www.youtube.com/watch?v=gWGLAAYdbbc |
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