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Unformatted text preview: shaft running unrestrained? What is the torque T at zero rotation? ANSWER (c) Show that your result in (a) reduces to the universal form T S T S = f ( ) and plot this function. (d) Derive the power output to the shaft, ˙ W S = T S , as a function of ϖ . At what range of values of β will the power output be positive (that is, the system be a pump), if β0? At what value(s) of ϖ / ϖ is the power output maximized? Provide expressions for the maximum power and the angular frequency at which it is attained, expressed in terms of Q, , b, r 1 , r 2 , 1 , and 2 . ANSWER...
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 Fall '05
 GarethMcKinley
 Fluid Dynamics, Angular Momentum, Frequency, Expression, Physical quantities

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