1. A BWR operates under natural circulation and produces a saturated steam/liquid mixture

at 7.0 MPa. The nonboiling region has an average density of 730 kg/m³ and measures 1.2

meters high. The boiling region has an average density of 600 kg/m³ and measures 1.8

meters high. The downcomer temperature is 275°C, the slip ration is 1.90, and the exit

quality is 16.0%. Assuming total pressure losses are 32.2 kPa, what is the required chimney

height to maintain flow?