A joining elbow on horizontal plane is shown in the figure. The fluid is water and assumed to be ideal. Pipe 2 is open to the atmosphere. The flow velocity of pipe 2 is given as uz = [2+ (k/10)] m/s, and pressure at pipe 3 is P3 = 1.6 + k / 4 kPa. (k=5) a) Calculate the flow velocity at pipe 3 (u3 = ?) b) Calculate the discharge and flow velocity of pipe 1 (Q = ?, u; = ?). c) Calculate the pressure at pipe 1 (p. = ?). d) Calculate the x and y components of the net force acting on the joining elbow by the fluid. Draw the force vector. Atmosfer dz-25 cm d;=40 cam dy=25 am

Q: 4 in

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Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.