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Fandorin Posted 18 years ago
Medical & Dental Studies

Propagation velocity perturbations

Could anyone explain me in more words this term? So it concerns ultrasound. Does it mean - difraction from moving elements ?

Thank you so much.
  

Top answer

Hi, I'm afraid your offering is more foreign to me than the original. I think you probably know way more about it than I do. , 343 meters per second through dry air at room temperature.

— Avangi

  • Hi, I'm afraid your offering is more foreign to me than the original.
  • I think you probably know way more about it than I do.
  • , 343 meters per second through dry air at room temperature.
  • It's much different when travelling through water, or through a steel railroad rail, all of which I'm sure you know.
  • I take "perturbations" to be upsets in the speed at which the waves are travelling, as they encounter various media.
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2 Answers
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Hi,

I'm afraid your offering is more foreign to me than the original. I think you probably know way more about it than I do.

Comparing to conventional sound, the velocity changes with the medium through which it travels, eg., 343 meters per second through dry air at room temperature. It's much different when travelling through water, or through a steel railroad rail, all of w
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Hi. Thank you for your wide explanation. It turns in a simple thing. I found it.
"propagation velocity" is only a speed of moving. And, therefore, "propagation velocity perturbations" is simply a speed of moving wave, perturbation is a wave process.
Anyway, your explanation turns me on the right way.
Thanks.
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