It doesn't have to take sonic speed to yield/show the cone

as long as the pressure in the wave front matches/exceeds the vapor pressure of water at that location. It can happend during commerical jet take-off over the wing as well. This is a visualization of aerodynamic flow field/pattern.

所有跟帖： 

• 看來是物理大牛。。 -盈盈一笑間- ♀ (0 bytes) () 10/28/2023 postreply 08:10:34

• Thank you. -xia23- ♂ (0 bytes) () 10/28/2023 postreply 09:09:00

• But I doubt. If it happens in this case, I could watch and -xia23- ♂ (146 bytes) () 10/28/2023 postreply 10:35:51

• All I am saying is that -Marauders- ♀ (389 bytes) () 10/28/2023 postreply 22:19:23

• 謝謝。 I agree that could happen. But that might not be -xia23- ♂ (270 bytes) () 10/29/2023 postreply 06:22:56