Water flows through a horizontal coil heated from the outside by high-temperature flue gases. As it passes through the coil the water changes state from liquid at 200 kPa and 80 C to vapor at 100 kPa and 125 C. Its entering velocity is 3 ms and its exit velocity is 200 m s. Determine the heat transferred through the coil per unit mass of water. Enthalpies of the inlet and outlet streams are: Inlet: 334.9 kJ kg: Outlet: 2,726.5 kJ kg-¹ Obras
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