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Question 3 - Flapping Freq/Damping in a Vacuum

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Br. Marius
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Question 3 - Flapping Freq/Damping in a Vacuum Mar 31, 2015 13:29:25 GMT

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Post by Br. Marius on Mar 31, 2015 13:29:25 GMT

For a uniform blade, the viscous damping ratio and rotating natural frequency of torsion mode in vacuum chamber were determined to be 1% and 4/rev. If the rotor speed is doubled, calculate the new rotating natural frequency and damping ratio.

Br. Marius Administrator Posts: 126	Question 3 - Flapping Freq/Damping in a Vacuum Apr 1, 2015 19:02:01 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Br. Marius on Apr 1, 2015 19:02:01 GMT \(\nu_{\theta2}=2.18/rev\) \(\zeta_2=0.9%\) Work is attached. Attachments: HW7-3.docx (20.25 KB)

Deleted Deleted Member Posts: 0	Question 3 - Flapping Freq/Damping in a Vacuum Apr 1, 2015 22:18:28 GMT Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Deleted on Apr 1, 2015 22:18:28 GMT Yep, same here.

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