the rotor has an oute le radius, the inlet bla ding velocity diagrams

An inflow to a turbine with a discharge of 20 m³/s leads to a ration speed of 150 rpm. The blades inlet edges have an angle of 120° to the direction of whirl. The outer diameter of the runner is 1.5 m and the runner inlet width is 1.0 m. 5. (a) To plot the velocity triangle at the blade outlet edge. (b) Assume design operating conditions and no velocity of whirl at outlet, calculate the power delivered by the runner. (c) The elevation difference between the head race and the tail race is 23 m and the head available to the turbine is 20 m, what is the hydraulic efficiency of the turbine and overall efficiency? (d) If a model of 1/10 full scale is constructed to operate under a head of 10 m, what must be its speed, power, water consumption and overall efficiency to run under the similar conditions to the prototype?

PROBLEM 6 An axial flow pump is required to deliver 1m3/s at 7m head while running at 960 rpm. Its outer diameter is 50 and hub diameter is 25 cm. Find the following (1) flow velocity, which is assumed to be constant from hub to tip, and A 4.59 m/s B 6.791 m/s C-60.7 m/s D.39.3 m/s (2) power required to drive the pump if overall efficiency is 84%, A 81.75 KW B. 12.03 KW C:40.7 KW D.60 9 KW

An inward flow reaction turbine has an external and internal diameters of runner 67.5 cm and 50 cm, respectively, and corresponding widths or breadths 15 cm and 22.5 cm, respectively. The effective head is 21 m. If the velocity of flow at inlet is 3 m/s and the guide vane angle is 12°, the runner vane is radial at inlet. Assume that the turbine discharges radially at outlet also.  A.  Find the outlet vane angle, in degree.  B. Find the Power developed, in kilowatts.

From THERMOFLUIDS, M. MASSOUD Please hep me solve this problem i will really appreciate it

A Pelton wheel works under a net head of 300 meters at a speed of 550 rpm developing 5890 kW of shaft power. The overall efficiency of the turbine is 60%. The ratio of jet diameter to the mean bucket circle diameter is 1/10. Find the number of jets, their diameter, the diameter of the turbine and the quantity of water supplied to the turbine. Assume C, 0.97 and bucket speed = 0.47 jet speed. %3D %3D

A Kaplan turbine delivering 40 MW works under a head of 35 m and runs at 167 rpm.The hub diameter is 2.5 m and runner tip diameter is 5 m. The overall efficiency is 87%.Determine the blade angles at the hub and tip and also at a diameter of 3.75 m. Also find the speed ratio and flow ratio based on tip velocity. Assume nH = 90%. Outlet blade angle at the tip O 11.75 20.3 43.7 O 52.5

3. A 90% efficient Francis turbine running at 100 rpm discharges 6m * 3/s of water. The inner runner radius is 1.8 m and the outer periphery of the wheel has a radius of 2.5 m. The blade height is 50 cm. The blade angle beta_{1} is 80 degrees and beta_{2} is 160 degrees Find the vane angle, torque, and the power from the turbine

Turbo machines

The discharge through pump is 0.04 cu. m per sec and velocity of flow is constant and equal tp 2m/s. The internal and external diameter of an impeller of a centrifugal pump are 200 mm and 400 mm, respectively, which is running at 1000rpm. The diameters of the suction and delivery pipes are 140 mm and 90 mm respectively and suction and delivery heads are 6m (abs.) and 30m (abs.) of water respectively. If the outlet vane angle is 45 deg and power required to drive the pump is 16 kW, determine: (a) vane angle of the impeller at inlet, (b) the overall efficiency of the pump, and (c) manometric efficiency of the pump.