class15_dimensional_analysis_pt2

class15_dimensional_analysis_pt2 - ES330 Section 2 Dr...

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10/25/2007 1 ES330, Section 2 Dr. Douglas Bohl 239 Camp x6683, [email protected] www.clarkson.edu/~dbohl/es330 Vortex shedding behind the wake of a circular cylinder http://www.eng.fsu.edu/~shih/succeed/cylinder/cylinder.htm
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2 Outline • Normalization – Tacoma Narrows Bridge – Examples for Buckingham PI – Scaling for experiments •O b j e c t i v e – Be able to apply the Buckingham-Pi theorem to determine the relevant non-dimensional parameters for a problem • Announcements – HW#7 Thursday – Exam#1 Re-do due now…. .
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3 Tacoma Narrows Bridge • Opened on July 1, 1940 and was nicknamed “Galloping Gertie”. • Designed to withstand 120 MPH winds • Collapsed on Nov. 7, 1940 in 40 MPH winds
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4 Tacoma Narrows Bridge Just as I drove past the towers, the bridge began to sway violently from side to side. Before I realized it, the tilt became so violent that I lost control of the car… I jammed on the brakes and got out, only to be thrown onto my face against the curb… Around
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This note was uploaded on 04/07/2008 for the course ES 330 taught by Professor Bohl during the Spring '08 term at Clarkson University .

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class15_dimensional_analysis_pt2 - ES330 Section 2 Dr...

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