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Drag Force Calculation

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Old   August 13, 2022, 16:54
Default Drag Force Calculation
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Pratik More
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Hii i am trying to find the drag force on savonius turbine using 2d transient system. As the turbine is rotating constantly and the projected area is changing what should I put in reference values of area?
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Old   August 23, 2022, 01:33
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S. JAWAHAR SIVABHARATHY
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Hi Pratik,


The drag force acting on the turbine changes with rotation. If you are using varying
projected area you can't compare the coefficient with time. I would suggest you to use
planform area to non-dimensionalize the drag force for understanding the dynamics.
Thanks.
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