A mixed type reaction turbine has D1= 3m and D1= 2.1m. Inlet and outlet Vane angle 60° & 150° respectively and thickness of 30 cm parallel to axis of rotation with guide vanes angle of 15° and a flow rate of 10 m'/s . a) Calculate the required speed of the runner for smooth flow at inlet. b) If the velocity of flow remains constant and the discharge is radial find the power developed and the work done, also find the hydraulic losses, total head, and overall efficiency.

A mixed type reaction turbine has D1= 3m and D1= 2.1m. Inlet and outlet Vane angle 60° & 150° respectively and thickness of 30 cm parallel to axis of rotation with guide vanes angle of 15° and a flow rate of 10 m'/s . a) Calculate the required speed of the runner for smooth flow at inlet. b) If the velocity of flow remains constant and the discharge is radial find the power developed and the work done, also find the hydraulic losses, total head, and overall efficiency.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

A centrifugal pump has an impeller of diameter 250 mm whose width at the exit is 50 mm. The flow velocity through the impeller having radial vanes is constant at 3.0 m/s. The speed of the pump is 1200 rpm and manometric efficiency is 85%. Find discharge (litres/ s) 18:21 /
Q1/ A) An impulse wheel is to be designed to develop at the nozzle pressure is 40 kg/cm and the deflect the jet impinging on them 150°. The center line of the bucket is on a circle of 250 cm find:- 1. The speed of the Pelton wheel (rpm). 2. Efficiency and hours power the theoretical, at the nozzle flow rate 3 m'/sec. 3. Specific speed.
Seven hundred gallons per minute of water are being discharged by a centrifugal pump 5 ft above the pump inlet. The inlet pressure is 4-in Hg above the atmospheric and the discharge pressure is 29 psia. If the pump has an 8-in diameter inlet and a 4-in diameter discharge, find the new flowrate if thr pump speed is doubled. Assume the pump input is 8Hp. A. 700 gpmB. 1050 gpmC. 1400 gpmD. 1750 gpm
None
The guide vanes angles of a Francis water turbine make 20° with the tangent at entry. The runner vanes angle at entry is 70°. The external diameter of the runner is 450 mm and the internal diameter is 300 mm. The width at entry is 65 mm and at exit is 100 mm. The discharge is radial at runner exit. Find: a) The blade angle at exit. b) If the turbine efficiency is 83%, find the head should be supplied to obtain a speed of 300 rpm.
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
Read the question carefully and give me all right solutions with clear calculations. Thank you
Considering the wind speed of 5 m/s, air density of 1 kg/m3, exponentfactor is 0.20 and turbine diameter of 100 m:a. Calculate the turbine electrical power considering the maximumBitz limit,b. The original wind speed was taken at a height of 10 m,calculate the turbine power if it is now installed at 50 m height.c. In what condition a capacity factor of 73% can be reached bythis turbine.
A centrifugal pump having an impeller of diameter 500 mm delivers 140 litres of water per sccond. The velocity of flow is 1 m/s and the vanes are curved back at outlet at 30° to the wheel tangent. If the impeller speed is 400 r.p.m., find the power to drive the pump. (Ans. 12-9 kW) 3.
Solve it fast...
A Pelton wheel develops 70 kW under a head of 60 m of water. It rotates 400 rpm. Overall efficiency is 80%. Find the discharge rate in m³/s. Use the equation below, where P is power of the turbine shaft and no is the overall efficiency, where specific weight of water is is 9.80 kN/m³ no P YQH A generator is driven by a small, single-jet Pelton turbine designed to have a power specific speed sp 0.20. The effective head at nozzle inlet is 200 m and the nozzle velocity coefficient is 0.985. The runner rotates at 880 rev/min, The turbine overall efficiency is 80%. Find (a) the power delivered by the shaft of the turbine and (b) find the power delivered by the water to the turbine. where density of water is 1000 kg/m³ and g is 9.80 m/s². Use Stup Ω P/p (gHE)* Overall efficiency ne and Power developed at turbine shaft hydraulic power P YQH
i need the answer quickly