The parameters of a turbine in Figure 1 are r =1.8 m, the specific density is p = 1000 kg/m3, turbine efficiency is nt =0.6 and mechanical power hitting the turbine is Pt = 60 MW. Calculate the; i. sweep area As, ii. turbine velocity vt. ii. mechanical power Pm. Flow direction Turbine blade Normal axis

The parameters of a turbine in Figure 1 are r =1.8 m, the specific density is p = 1000 kg/m3, turbine efficiency is nt =0.6 and mechanical power hitting the turbine is Pt = 60 MW. Calculate the; i. sweep area As, ii. turbine velocity vt. ii. mechanical power Pm. Flow direction Turbine blade Normal axis

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

Estimate the amount of power generated by a wind turbine having a powercoefficient of 0.37 given the annual average wind speed:Rotor diameter = 125 mCenter of rotor at an elevation 160 m above the surface level.Location: Oklahoma City, OK
An 8 m/s wind enters a wind turbine rotor with a diameter of 36 m. Assume the air density 1.2 kg/m3 Calculate: The power of incoming wind, The maximum power extracted by the wind turbine, If the gearbox, generator and electrical transmission and processing efficiencies are 0.85, 0.96 and 0.95, respectively, what is the turbine effective converted power
A pump delivering 0.23 m3/s of water has a 304.8mm diameter suction flange and 254mm discharge flange. The suction pipe is 3.66m long and the discharge pipe is 22.86m long. Neglecting the turbulence losses in the pipe, find: a.) the head which the pump must deliver ( in meters ) b.) the motor power in KW required if the efficiency is 80%, c.) the reynold’s number and type of flow in the suction pipe d.) the reynold’s number and type of flow in the discharge pipe
An electric utility decides to add 50 MW of wind generation to its system. If the individual units are to be rated at 2 MW in a 13-m/s wind at standard conditions and have efficiencies Cp = 0.32, ηm = 0.94, and ηg = 0.96, what is the required swept area of each rotor?
A 1:10 model of a Francis turbine developed 0.5 kW under a head of 2.5 m at 480 rpm. The physical data are r1=1.5m, r2 = 0.4m, α1=15°, β2=135°. Find the speed of the prototype at a head of 20m.
Consider a family of turbines each having a flow coefficient phi = 0.4 blade aspect ratio H / b = 3 and Reynolds number Re = 10 ^ 5 Calculate and plot ne and ne versus degree of reaction for stage loading factors V of 1, 2 and 3 using Soderberg's correlation. For each loading factor find the degree of reactions which yield maximum nt and ns ,respectively
The cylinder bore diameter of a double-acting reciprocating pump is 170 mm and its stroke is 370 mm. The pump runs at 55 rpm and lifts water through a height of 26 m. The delivery pipe is 23.5 m long and 113 mm in diameter. Find (i) the theoretical discharge in liters/s,(ii) the theoretical power required to run the pump in kW, (iii) the percentage of slip, and (iv) the coefficient of discharge., if the actual discharge is 13 liters/s. Assume the weight density of water is 9810 N/m3 (i)Theoretical discharge in liter/s (ii) the theoretical power required to run the pump in kW (iii) the percentage of slip (iv) the coefficient of discharge.
The cylinder bore diameter of a single-acting reciprocating pump is 180 mm and its stroke is 360 mm. The pump runs at 53 rpm and lifts water through a height of 25 m. The delivery pipe is 23 m long and 114 mm in diameter. Find (i) the theoretical discharge in liters/s,(ii) the theoretical power required to run the pump in kW, (iii) the percentage of slip, and (iv) the coefficient of discharge., if the actual discharge is 4.3 liters/s. Assume the weight density of water is 9810 N/m3 ???
A Pelton wheel works at the foot of a dam because of which the head available at the nozzle is 400 m. The nozzle diameter is 160 mm and the coefficient of velocity is 0.98, The diameter of the wheel bucket circle is 1.75 m and the buckets deflect the jet by 150°. The wheel-to-jet speed ratio is 0.45. Neglecting riction, calculate (1) the power developed by the turbine, (i) its speed and (i) hydraulic efficiency.
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 propeller type, horizontal axis wind turbine having following wind characteristics: Speed of the wind 10 m/s at 150 C, The turbine has diameter of 120 m and its operating speed is 40 rpm at maximum efficiency. Calculate (i) the total power density in the wind stream (ii) the maximum obtainable power density assuming wind power coefficient as 40% (iii) total power produced in kW (iv) Maximum thrust and axial thrust. [Ans: 613 W/m2, 2771 kW, 6930 kW, 619.9510 kN, 897 kN] explain the axial thrust part clearly how 897 KN is coming
An orifice on vertical wall has a head of 1.13m of oil ( sp.gr.=0.89). It discharges 6192N of oil in 88 seconds . The trajectory measures yield x = 2.4m and y = 1.37m . Assuming the area of the opening is 25cm2, Calculate Coefficient of Contraction, Coefficient or Velocity