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Old   October 5, 2004, 16:43
Default Vortex shedding
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Hi there,

I am conducting some investigations for the vortex shedding behind blunt objects. I observed consistently that it might more physically sound if the Reynolds and Strouhal numbers are based on the vorticity rather than the conventional free stream velocity. I am wondering if anybody out there is aware of any people/paper that might support this idea?

Thanks in advance.

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Old   October 7, 2004, 05:29
Default Re: Vortex shedding
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Yes you are right. St and Re numbers are better parameters. My master thesis dealt with vortex shedding in counterflowing jets and I have used the LES model.


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Old   October 7, 2004, 12:01
Default Re: Vortex shedding
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Actually, I have just found my answer. The idea I proposed is consistent with the free-stream concept of Roshko A (1955) for the universal scaling of Karman-type vortex shedding.

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