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A BWR operates under natural circulation and produces saturated steam at 7.0 MPa. The nonboiling region has an average density of 730kg/m3 and measures

A BWR operates under natural circulation and produces saturated steam at 7.0 MPa. The nonboiling region has an average density of 730kg/m3 and measures 2.0 meters high. The boiling region has an average density of 600kg/m3 and measures 1.5 meters high. The downcomer temperature is 275C, the slip ratio is 1.90, and the exit quality is 12.0%. Assuming total pressure losses are 18.5kPa, what is the required chimney height to maintain flow?

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