(b) A water turbine model is constructed at ratio of 1:8 with power system of 10 kW at speed of 555 rpm under a head of 2.5 m. Overall efficiency for both model and prototype is assumed at 0.93. (i) Detemine the specifie speed. mine t); (ii) If the prototype is run under a head of 25 m, calculate its rotational speed, power and discharge.

(b) A water turbine model is constructed at ratio of 1:8 with power system of 10 kW at speed of 555 rpm under a head of 2.5 m. Overall efficiency for both model and prototype is assumed at 0.93. (i) Detemine the specifie speed. mine t); (ii) If the prototype is run under a head of 25 m, calculate its rotational speed, power and discharge.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

KAPLAN TURBINE RUNNER DEVELOPS 9300 KW UNDER A NET HEAD OF 7.4 M. MECHANICAL EFFICIENCY OF THE WHEEL IS 86 %, SPEED RATIO IS 2.2 AND FLOW RATIO IS 0.66. DIAMETER OF THE BOSS IS 0.35 TIMES THE EXTERNAL DIAMETER OF THE WHEEL. DETERMINE (1) THE DIAMETER OF THE RUNNER (II) SYNCHRONOUS SPEED AND (III) THE SPECIFIC SPEED OF RUNNER ASSUME MECHANICAL EFFICIENCY EQUAL TO OVERALL EFFICIENCY.
00 F10 F11 Y F12 Scr Lk PrtS C H V DURING A TEST OF A FRANCIS WHEEL HYDRO ELECTRIC POWERPLANT, THE POWER OUTPUT IS 4 MW AND THE VELOCITY IS 7.5 H/S. THE INSIDE DIAMETER OF THE PENSTOCK IS 3 FT, LENGTH IS 350 FT AND THE ELEVATMON OF THE CENTERLINE OF THE TUR- BINE NO2ZLE IS D FEET ABOVE THE TAILRACE HEADWATER ELEVA- TION 1300 FT, FRICTION FACTOR=0.4, EXIT VELOCITY IN THE PRAFT TUBE 1.6 FT/S IF THE OVERALL EFFICIENCYIS 80%,DETERMINE: • THE TALWATER ELEVATION IN FEET. •THE PRESSURE AT THE BASE OF THE NOZZLE IN PSI. MODULE ASSIGNMENT %3D
Turbine problem
H.turbine civil
Fluid Mechanics-2 Plz, solve it one by one. Reg.no: 5262
5 An impulse turbine of 3 m diameter is rated at 1000 kW at 300 rpm under a head of 500 m. The turbine is operated under the head of 400 m. What is the speed at which it would run? (b) 336 rpm (d) 364 rpm (а) 324 гpm (c) 348 rpm
I need the answer as soon as possible
In a Pelton wheel, the bucket peripheral speed is 10 m/s, the water jet velocity is 25 m/s and volumetric flow rate of the jet is 0.1 m³/s. If the jet deflection angle is 120° and the flow is ideal, the power developed is:
stage Q2. At a stage of reaction turbine, the mean rotor diameter is 1.4 m. The speed ratio is 0.7. Determine the blade inlet angle if the blade outlet angle is 20°. The rotor speed is 3000 rpm. Also find the stage efficiency. Find the stage efficiency and rotor speed if the rotor is designed to run at the best theoretical speed ratio. Assume Parsons turbine and expansion losses as 10 % of heat drop. (50°, 90%, 90%)
Consider a pump–turbine that operates both as a pump and as a turbine. Under conditions in which the rotational speed ? and the volume flow rate V. are the same for the pump and the turbine, verify that turbine specific speed and pump specific speed are related as
Correct solution.
A pipeline with a pump carrying a 50 L/s discharge leads to a nozzle as shown. If the 180 mm diameter pipe is made of cast iron while the 120 mm diameter pipe is made of commercial steel. Determine the head of the pump using the energy equation from pt. A to pt. C. The fluid is water with a kinematic viscosity of 1.02 x 10-6 m³/s. El. 20 m Water B 180-mm dia. pipe 200-m long pipe 300-m long pipe 120-mm dia. pipe El. 10 m El. 30 m