About Sonic Booms and Quiet Aircraft

  • Thread starter royp
  • Start date
  • #1
48
15
Hello,
I am having this small confusion about sonic boom. Let's talk about aircrafts of the future -say having electric, noiseless engines (suppose). Essentially, these aircrafts practically generate no noise while flying. Now, if these aircrafts can travel faster than sound, will there still be sonic boom - in terms of loud noise and shattered window-glass?
 

Answers and Replies

  • #2
berkeman
Mentor
59,279
9,437
Welcome to the PF. :smile:

Yes, it will still generate a sonic boom, since that is caused by the air being displaced by the aircraft as it flies, not engine noise.

https://encrypted-tbn0.gstatic.com/...6WTPipDkBoQYVezcHn4eyGwTJq7_5PX3TuIesl2d2VI1A

images?q=tbn:ANd9GcTZgnjSz6WTPipDkBoQYVezcHn4eyGwTJq7_5PX3TuIesl2d2VI1A.jpg
 

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  • #5
48
15
Many thanks, berkeman - for a very clear explanation!
 

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