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Una turbina adiabtica opera en situacin estacionaria como se muestra en la figura adjunta. Entra vapor a 3 MPa y 400 C con un caudal

Una turbina adiabtica opera en situacin estacionaria como se muestra en la figura adjunta. Entra vapor a 3 MPa y 400 C con un caudal volumtrico de 85 m3/min. Parte del vapor se extrae de la turbina a una presin de 5 bar y una temperatura de 180 C. El resto se expande a una presin de 0,06 bar y sale de la turbina con un caudal msico de 40.000 kg/h y un ttulo del 90%. Las variaciones en la energa cintica y potencial pueden despreciarse. Calcular: (a) El dimetro, en m, de la tubera por donde se extrae el vapor, si su velocidad es de 20 m/s. (b) El caudal volumtrico del conducto de expansin.

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