![]() Determine (a) the quality of steam at theġ75 m elevation. Heat losses from the supply line to the surroundings is 50 kJ/kg. (b) What-if scenario: What would the exit velocity be if the IG modelĪ steam heating system for a building 175 m high is supplied from a boiler 20 m below ground level.ĭry, saturated steam is supplied from the boiler at 300 kPa, which reaches the top of the building at 250 kPa. Assume incompressible flow and use the PG model for air. After a transition, the duct is exhausted uniformly through a rectangular slot 3 cm x 6 cm in cross section. ![]() Section-1: Open Steady Systems with a Single Flow.Īir at a pressure of 150 kPa, a velocity of 0.2 m/s, and a temperature of 30 oC flows steadily in a 10 cm-diameter duct.
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