Steam enters an insulated pipe at 200 kPa and 200 °C and leaves at 150 kPa and 150 °C. The inlet to outlet diameter ratio for the pipe is D:/D2 = 1.80. Determine the inlet and exit velocities (in m/s) of the steam. (H1 = 2870.7 kJ/kg, vị = 1.0805 m/kg, H2 = 2772.9 kJ/kg, V2 = 1.2855 m/kg)

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Steady State Model

The steady-state model typically states that the entire universe is always enlarging, although it balances a fixed average density and matter that is being constantly generated to make new galaxies, star forms at a similar rate that the previous ones get indistinguishable due to the growing range and velocity of recession.