Q4. The following particulars refer to a stage of an impulse-reaction turbine.Outlet angle of fixed blades = 20°Outlet angle of moving blades = 30°Radial height of fixed blades =100mmRadial height of moving blades =100mmMean blade velocity = 138m/sRatio of blade speed to steam speed = 0.6253Specific volume of steam at fixed blade outlet -1.235 m²/kg3Specific volume of steam at moving blade outlet =1.305 m³/kgCalculation the degree of reaction, the adiabatic heat drop in pair of blade rings, and thegross stage efficiency, given the following coefficients which may be assumed to be thesame in both fixed and moving blades: m = 0.9,0=0.86.

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Answered: Q4. The following particulars refer to…

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

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Q3: Turbomachinery The air mass flow rate in a compressor is 2 kg/s. The rotational speed is 10,000 rpm, with the inlet stagnation temperature and pressure of 293 K and 1.05 kPa, respectively. The number of rotor blades (Z) is 21 and the blade tip radius (r2) is 0.1m. Assume it is an axial inlet and radial exit impeller. Using the above data, determine: the specific work, We.
Q4. A typical 4-cylinder 1.6 Liter 4-stroke gasoline engine runs at 6,000 rpm with an overall thermal efficiency of 25% and volumetric efficiency of 90%. (a) Estimate the power produced by the engine. (b) Calculate the SFC and fuel flowrate. (c) The air mass flowrate and BMEP.
Please only answer STEP 2 question. THIS IS MY 3RD TIME POSTING THE SAME QUESTION AND NOT GETTING THE ANSWER I NEED. DONT SOLVE FOR THE MAIN QUESTION, I NEED THE ANSWER TO THE SECOND PART OF THE QUESTION.
STEAM WITH ABSOLUTE VELOCITY 300 M/S ENTERS THE STAGE OF AN IMPULSE TURBINE PROVIDED WITH A SINGLE ROW WHEEL. THE NOZZLES ARE INCLINED AT 20° TO THE PLANE OF WHEEL AND THE ROTOR BLADES ARE EQUIANGULAR. THE ROTOR WITH MEAN DIAMETER 100 CM ROTATES WITH SPEED OF 3000 R.P.M. ESTIMATE THE POWER DEVELOPED IN THE BLADE IF THE AXIAL THRUST IN THE BLADES IS 145 N. IT MAY BE ASSUMED THAT DUE TO FRICTION IN THE BLADE PASSAGES THE KINETIC ENERGY DUE TO OUTGOING RELATIVE VELOCITY IS ONLY 67% OF THE KINETIC ENERGY DUE TO INCOMING RELATIVE VELOCITY.
For solution of this problem also sketch velocity triangles and label it. A rotodynamic impulse turbine was used to develop power. In an impulse stage the mean diameter of the blade ring is 900 mm and the speed of rotation is 3500 1.p.m The nozzle angle is 22º and the steam exits from the nozzles with a velocity of 350 m / s. Assuming the blade velocity coefficient as 0.85 and also suppose that the blades are symmetric When the axial thrust on the blades is 150 N. Determine the power developed.
setup a Bernoulli's equation in head form that can be used to determine the pump power requirement. Which two locations are you selecting to set up the Bernoulli's equation? What are the state (elevation h, pressure P, velocity u) as the two locations?
2. The figure shows a pipe reducing section that is bolted on to the end of a pipe. Water flows through the pipe and the reducing section and exits to the atmosphere. The diameter at station 1 is 20 cm and the diameter at station 2 is 15 cm. The velocity at station 1 is 5 m/s. water ①1 ② Figure for problem 2. (a) If h 22.5 cm, what is the force acting on the flange bolts? (b) Does Bernoulli's equation hold between stations 1 and 2? Explain. mercury
4. A centrifugal pump delivers 1500 L/min of water from an initial pressure of 156 kPa to a final pressure of 328 kPa. The area of the inlet pipe is 315 cm² and the area of the discharge pipe is 80 cm?. Solve for the power input to the pump, kW.
4. A pump has a displacement volume of 6in³. It delivers 24gpm at 1000rpm and 1000psi. If the prime mover input torque is 1100in.lb, (a) What is the overall efficiency of the pump? (b) What is the theoretical torque required to operate the pump?
! MIN 1/1 米 4:22 PM O O 81% Find a relation between nozzle discharge velocity V2 and tank free surface height h as in figure below. Assume steady frictionless flow. HGL - II Open jet:
A reaction turbine has mean blade speed of 220 m/s and blade speed to steam velocity ratio of 0.7. Determine the angle at inlet of blade and work done per kg of steam flow if angle at exit is 20°.
Q1/1In a single-stage axial flow gas turbine of A319 Airbus Airplane has an axial velocity is equal to 250 m/s, and assume equal inlet and outlet velocities. Stage exit swirl angle is 9° , mass flow rate of gas is 15 kg/s, and nozzle efflux angle is 63°. Assume that blade speed is 350 m/s, gas enters at stagnation pressure of 5 bar, and stagnation temperature of 1980 °R. Also, assume y = 1.33, and C,,=1.147 kJ/kg. K. Determine the rotor blade gas angles, output power, blade-loading coefficient, and degree of reaction.

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