Determine the final volume of the balloon

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Reference no: EM131276321

The air-release flap on a hot-air balloon is used to release hot air from the balloon when appropriate. On one hot-air balloon, the air release opening has an area of 0.5 m² , and the filling opening has an area of 1 m² . During a two minute adiabatic flight maneuver, hot air enters the balloon at 100 kPa and 35°C with a velocity of 2 m/s; the air in the balloon remains at 100 kPa and 35°C; and air leaves the balloon through the air-release flap at velocity 1 m/s. At the start of this maneuver, the volume of the balloon is 75 m³ . Determine the final volume of the balloon and work produced by the air inside the balloon as it expands the balloon skin.

Reference no: EM131276321

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