At the best efficiency point with the experiments on the A turbine DA= 72 cm, Ha= 20 m, Va = 50 m/s, Pa= 998 kg/m³, na= 205 revolution per minute , Wmila= 9 Mw values have been obtained. P3= 998 kg/m³, HB= 65 m, nâ= 185 A new B turbine will be designed. According to this ; a) B is the volumetric flow of the turbine (VB) (m/s) find as. c) Find the specific speed of turbine B. b) Find the power of turbine B. (Wmil.B)| 2,5 d) Find the diameter of turbine B. 285 245.3 MW 3.5 120 cm 361 211,5 MW 2.8 156 cm

At the best efficiency point with the experiments on the A turbine DA= 72 cm, Ha= 20 m, Va = 50 m/s, Pa= 998 kg/m³, na= 205 revolution per minute , Wmila= 9 Mw values have been obtained. P3= 998 kg/m³, HB= 65 m, nâ= 185 A new B turbine will be designed. According to this ; a) B is the volumetric flow of the turbine (VB) (m/s) find as. c) Find the specific speed of turbine B. b) Find the power of turbine B. (Wmil.B)| 2,5 d) Find the diameter of turbine B. 285 245.3 MW 3.5 120 cm 361 211,5 MW 2.8 156 cm

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

Q Consider the following data relating toperformance of a centrifugal pump:speed 1200 rpm, flow rate 30 L/s, head 20 m, and power 5 kW. If the speed of the pump is increased to 1500 rpm, assuming the efficiency isunaltered, Find the new flow rate and head.
In our house water pipe line with diameter of 2cm is connected to shower head that has 35 holes. The speed of the water in the pipe line is 1.1m/sec. i) What is the volume flow rate in the pipe line? ii) At what speed does the water leave one of the holes with diameter 0.0014m in the shower head?
1.28. The performance curve for the fan of Problem 1.27 can be approx- imated by a straight line through its BEP (using techniques devel- oped in Chapter 7). The curve is Aps = 4488 – 166Q, with ApT in Pa and Q in m³/s. If this fan is connected to a 1-m dia- meter duct (f = 0.045) whose length is 66 m, what flow rate will result? %3D
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
4. to convert the kinetic energy of water into the mechanical shaft energy. Water enters the turbine, at the inlet, with the velocity Vin = 40m/s and the mass flow rate m=1,000kg/s. Water exits the Vi,z40ms turbine with a negligible velocity, say, Vout = 0 m/s.The efficiency of m - loooly/s Figure on the right shows a hydraulic turbine designed HzO HzO the turbine is 75 %. Potential energy and flow work can be ignored. 4а. Please calculate the specific kinetic energy of water entering the turbine ( ɛr or ke; in J/kg). 4b. Please calculate the rate of total kinetic energy of the water flow ( É̟ or KĖ ; in J/s or W) 4с. Please determine the mechanical power output of this turbine (Wou; in W or kW). 4d. Please determine how much mechanical energy would this turbine generate during an hour
Three immiscible fluiids are contained in a tank: 1.0 m of water, 1.20 m of oil (s= 0.80) and air under a pressure of 16 kPa. The tank is closed and has a height of 3.0 m and diameter of 1.0 m. Find the theoretical velocity throught a 5 cm diameter orifice located 30 cm above the bottom of the tank.CHOICES: a.10.34 m/s b.15.8 m/s c.12.56 m/s d.8.03 m/s
Identify what is the system in this problem and write the general energy balance equation (no need to solve) A turbine is driven by a system that enters the turbine at the ff. conditions: 200 kg/h, 39 atm, 501 deg C, 49 m/s linear speed. The steam exits at a point 8 meters below the inlet stream of the turbine with the following conditions: atmospheric pressure, 290 m/s speed. 69000 W of shft work is delivered by the turbine while 100 kcal/h heat is lost. What is the specific delta H?
Three immiscible fluiids are contained in a tank: 1.0 m of water, 1.20 m of oil (s= 0.80) and air under a pressure of 16 kPa. The tank is closed and has a height of 3.0 m and diameter of 1.0 m. Find the theoretical velocity throught a 5 cm diameter orifice located 30 cm above the bottom of the tank. a. 15.8 m/s b. 8.03 m/s c. 10.34 m/s d. 12.56 m/s
decrease will occurs? Explain. 9. A water pump has one inlet and the P = 500 kPa D= 6 cm two outlets as shown in figure, all at the same elevation. shaft P = 120 kPa V = 5 m/s D = 12 cm P = 300 kPa V 20 m/s What is power required if the pump efficiency is ( 85 % ) ? Neglect all losses. pump D = 4 cm
Using the performance curve of pump A given in Example VIc.3.2 (41.5” and 710 rpm) and find: a) total dynamic head of a similar pump (pump B), at peak efficiency, having a diameter of 35 inches. Assume that both pumps A and B are operating at the same speed. b) pump head if pump B is now operating at 1170 rpm. [Ans.: a) H = 192 ft and b) H = 521.5 ft].
Find the maximum power developed by the turbine. Data H1= 37 m, H4= 2 1 m, D2=56 cm, D4= 35 cm, V4= 8.5 m/s, P4= 200 kPa, Patm= 100 kPa, 1000 kg/m3. * Lake H, P.O V. h D2 H. Turbine Your answer