Translation and analysis of words by ChatGPT artificial intelligence
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Mach$543565$ - translation to English
.jpg?width=200)
![Bust of Mach in the [[Rathauspark]] (City Hall Park) in [[Vienna]], Austria](https://commons.wikimedia.org/wiki/Special:FilePath/Ernst Mach - Rathauspark, Vienna.jpg?width=200 "Bust of Mach in the [[Rathauspark]] (City Hall Park) in [[Vienna]], Austria")
.jpg?width=200 "Ernst Mach in 1905")
Wikipedia
In fluid dynamics, a Mach wave is a pressure wave traveling with the speed of sound caused by a slight change of pressure added to a compressible flow. These weak waves can combine in supersonic flow to become a shock wave if sufficient Mach waves are present at any location. Such a shock wave is called a Mach stem or Mach front. Thus, it is possible to have shockless compression or expansion in a supersonic flow by having the production of Mach waves sufficiently spaced (cf. isentropic compression in supersonic flows). A Mach wave is the weak limit of an oblique shock wave where time averages of flow quantities don't change (a normal shock is the other limit). If the size of the object moving at the speed of sound is near 0, then this domain of influence of the wave is called a Mach cone.
