Water injection is added to the engine in Problem 3 which delivers 1 lbm of water for every 30 lbm of gasoline used. Heat of vaporization of water Calculate: (a) Temperature of the air–fuel mixture...

Water injection is added to the engine in Problem 3 which delivers 1 lbm of water for every 30 lbm of gasoline used. Heat of vaporization of water

Calculate:

(a) Temperature of the air–fuel mixture after evaporation of fuel and water. [°F]

(b) Percent loss or gain in engine volumetric efficiency due to evaporation of fuel and water. [%]