A wind turbine with circular blades of diameter 30 m operates steadily under the average wind speed of 20 m/s. Assuming that the density of the air is constant, being 1.14 kg/m3,
(4a) (4p) Please find the volumetric and mass flow rates of the air through this turbine.
(4b) (4p) Also, please find the maximum power production of this turbine

A2-m rigid tank initially contains saturated water vapor at 100 kpa. the tank is connected to a supply line through a valve. steam is flowing in the supply line at 600 kpa and 300 c. the valve is opened, and steam is allowed to enter the tank until the pressure in the tank reaches the line pressure, at which point the valve is closed. a thermometer placed in the tank indicates that the temperature at the final state is 200°c. determine (a) the mass of steam that has entered the tank (b) the amount of heat transfer.