(a) Write down the complex potential and show that it satisfies the boundary conditions (b) Find the position of the stagnation point in terms of m, u, and a.
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- consider water flowing through a converging channel as shown and discharging freely to the atmosphere at the exit, what is the gage pressure at the inlet? assume the flow to be incompressible, and neglect any frictional effects.A large lawn sprinkler with two identical arms is used to generate electric power by attaching a generator to its rotating head. Water enters the sprinkler from the base along the axis of rotation at a rate of 5 gal/s and leaves the nozzles in the tangential direction. The sprinkler rotates at a rate of 180 rpm in a horizontal plane. The diameter of each jet is 0.5 in, and the normal distance between the axis of rotation and the center of each nozzle is 2 ft. Determine the maximum possible electrical power produced.A large lawn sprinkler with two identical arms is used to generate electric power by attaching a generator to its rotating head. Water enters the sprinkler from the base along the axis of rotation at a rate of 5 gal/s and leaves the nozzles in the tangential direction. The sprinkler rotates at a rate of 180 rpm in a horizontal plane. The diameter of each jet is 0.5 in, and the normal distance between the axis of rotation and the center of each nozzle is 2 ft. If the rotating head is somehow stuck, determine the moment acting on the head.
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- A converging nozzle having an exit diameter of 30 mmmm is connected to the large tank (Figure 1). The absolute pressure outside the tank is 102 kPakPa. If the temperature of the air in the tank is 20∘C∘C and the absolute pressure is 480 kPakPa, determine the mass flow from the tank. Express your answer using three significant figures.A fire hose discharges water through a nozzle having a diameter of 2.5cm. The head lost in the nozzle is 4% of the velocity head in the jet. If the gage pressure at the base of the nozle is 400kpa, find the flow and the maximum horizontal range to which the stream can be thrown.A converging nozzle having an exit diameter of 30 mmmm is connected to the large tank (Figure 1). The absolute pressure outside the tank is 102 kPa If the temperature of the air in the tank is 20∘C and the absolute pressure is 580 kPa, determine the mass flow from the tank in kg/s