350 W. J. Morrell et al. 0.01 DSF balance - 5 weight planes DSF balance - 10 weight planes DSF balance - 15 weight planes DSF balance - 20 weight planes DSF balance - 28 weight planes Effect of Number of Weight Planes on Reduction in Peak Value of Third Mode - Deflection Shape Balance Balancing at the First Two Critical Speeds 0.009 0.008 0.007 0.006 0.005 Probability 0.004 0.003 0.002 0.001 0 0 0.2 0.4 0.6 0.8 Modal Magnitude(Fraction of Initial Value) 1 1.2 1.4 Fig. 35.20 Effect of the number of weight planes on the achieved modal magnitude for the third mode when balancing at the first two critical speeds Acknowledgements This material was sponsored by the US Department of Energy, Office of Science. Oak Ridge National Laboratory is managed by UT-Battelle, LLC, for the US Department of Energy.
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