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(清华大学2006--2007学年春季学期期中考试试题)as in Fig.4-62,A liquid jet of velocity Vj and
(清华大学2006--2007学年春季学期期中考试试题)as in Fig.4-62,A liquid jet of velocity Vj and area Aj strikes a single 180°bucket on a turbine wheel rotating at angular velocity Ω.Find an expression for the power P delivered.At what Ω?is the power a maxi mum?How does the analysis differ if there are many buckets,so the jet continually strikes at least one?
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