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Shockwave formation on the wing. Is this diagram correct?



 
 
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Old February 28th 07, 02:06 AM posted to rec.aviation.piloting
xerj
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Posts: 31
Default Shockwave formation on the wing. Is this diagram correct?

On this page, there's an animated diagram (aptly done in shockwave) about
normal shockwave formations:-

http://selair.selkirk.bc.ca/aerodyna...ed/Page2c.html

Something confuses me though. As diagrammed, the red pressure wave at the
rear has a low frequency at the front and a high frequency at the back. Why
would this happen (if indeed it does)? Why is the frequency HIGHER in the
direction that the airflow is moving?

Thanks in advance.


 




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