A horizontal cross compound steam engine develops 500 kW at 100 rpm. The coefficient of fluctuation of energy as found from the turning moment diagram is to be 0.1 and the fluctuation of speed is to be kept within ± 0.5% of the mean speed. Find the mass of the flywheel required, if the radius of gyration is 3 meters

Q: A torsion dynamometer is fitted on turbine shaft to measure the angle of twist. The shaft twist 1.6°…

A: A torsion dynamometer is installed on the turbine shaft to measure the angle of twist, as we know.At…

Q: A motor vehicle with a total weight 1361 kg has wheels of 63.5 cm effective diameter. The engine…

A: W = 1361 kgD = 63.5 cm or 0.635 m T = 203 Nm = 85% I = 7.6 kg m2 If = 0.84 kg m2

Q: 0.8m. [Assumptions: No friction losses, no bending in shafts and no shock loading occurs] Turbine…

A:

Q: Fig. 3 shows the load torque variation for one cycle of a shaft driven by a constant torque With an…

A: Here given we have b=2tCs=0.2δ=8050 kg/m3I=125 kgm2Cycle time =4π

Q: Calculate the blade length of a wind turbine rotor which produces a maximum power of 3 MW at a wind…

A:

Q: Establish the reasons of being similar of two turbomachines and Explain the significances c…

A: given; establish the reason of being similar of two turbomachines and explain the significance…

Q: Find a relation for the coefficient of fluctation of apeed in terms of the maximum fluctuation of…

A: The answer is

Q: The following data refer to a Pelton wheel: the bucket angle b=165°, the coefficient of discharge…

A:

Q: A wheel of radius r= 43.1 cm and rotational inertia about the axis of I = 0.09 kg m? fixed on a…

A: r=43.1 cmI=.09 kg.m2θ=29°m=1.6 kgF=7.2 N Now taking forces along the horizontal…

Q: A rotor having a mass of 5 Kg is mounted midway on a 0.01meter diameter shaft supported at the ends…

A:

Q: Fisher & Paykel top loader washing machine is used to extract the 20 kg of wetted and mixture…

A: Solution: Given Data: M=20 kgP=650 WN=1000 rpmm=5 kgr=0.6 mk=500 kN/m   To Find: TFC∆S

Q: A worm running at 2000rev/min is to drive a worm wheel at 200 rev/min and to transmit to it 15kW.…

A:

Q: Determine the torque needed to bring a turbine whose moment of inertia of 60 slugs-ft² to rest in…

A: Given that, Moment of inertia  = I= 60 slugs-ft2 Initial speed = Ni=764 rpm Final speed = Nf=0 rpm…

Q: Falcon company Nizwa is conducting a campus interview to you. You are asked to design the propeller…

A:

Q: a continuation of the 1st question, let's assume that we find the required engine power P=3 kW while…

A: from the given dataRA = 96 mmRD = 151 mmRB = ?VD = 7 m/sNA = 2800 rpm

Q: A wind turbine rotates at speed of 300 rpm. What is the circumferential velocity at the tip of the…

A: GivenN=300rpmwind velocity V=7m/sTip speed ratio TSR =7m/s

Q: 2. A thin flywheel rim 1.2m in diameter, is made of cast iron density 7.21 g/cm³. Find the speed in…

A:

Q: If a wind turbine has blades of length 50 m, calculate the number of cycles, N, the turbine would…

A: Given: The tip speed ratio = 10 The wind speed, v = 12 m/s The length of blade, R = 50 m

Q: Calculate the displacement, the real power and the real torque of an  hydraulic power engine with a…

A:

Q: A 4-stroke six cylinder tractor engine having a mean effective pressure of 120 psi and runs at 2,400…

A:

Q: 10-20 A Darrieus rotor with a swept area of 1000 m² produces 240 kW output in a 10-m/s wind. (a)…

A: Approach to solving the question:

Q: Q7 You are given atubular steel shaft of length (1+0.1-X)m, external diameter 20mm and internal…

A: Given: The shaft length, L = ( 1 + 0.1X) The external diameter of tube, D = 20 mm The internal…

Q: determine the rotation rate for the smaller , homologus pump . Using ONLY AFFINITY LAWS

A: To calculate the rotation rate of the smaller pumpgiven flow rategiven head of the pumpspeed of the…

Q: A spur pinion of pitch diameter 50 mm rotates at 200 rad/s and transmits 3 kW power. The pressure…

A:

Q: Propeller blades in aeroplane are 2 m long. when propeller is rotating at 1800 rev/min, compute the…

A: here for tengential velocity at the tip of the blade radius = 2 m. and Vt = 2*pi*R*N / 60 m/s

Q: A 1500 kg load is lifted by a hoist using a Ø1.5 m drum. The drum is driven by an electric…

A:

Q: RA AC ww RB=? B D RD rrrr

A: from the given dataRA = 106 mmRD = 205 mmRB = ?VD = 8 m/sNA = 2700 rpm

Q: A flywheel of mass 0.7 ton is fitted to a multi cylinder engine, which runs at a mean speed of 310…

A: Given Data ∆E=2000 kN.cm=20000 N.m Cs=0.09 N=310 rpm

Q: The nominal power of the wind turbine is 2 MW at wind speed 11.5m/s, generator efficiency is 94%,…

A:

Q: Consider a double hook, thaving intermediate shaft of moment of inertia 3 g-m², the input and output…

A: moment of inertia (I)= 3 g-m2  intermediate shaft angle (α)=300  Input speed (N1)= 2400 rpm Torque…

Q: What thrust is obtained from a propeller 3 m in diameter that has the characteristics given in the…

A: Given: Diameter of the propeller (D) = 3 m Propeller rotation speed (n) = 1400 rpm = (1400/60)…

Q: An engine has a turning moment diagram with the areas above and below the mean torque line of  -50…

A: Given Data:   Area and its conversions are given to find out the change in energy.…

Q: What thrust is obtained from a propeller 3 m in diameter that has the characteristics given in Fig.…

A: given; diameter(d)=3mspeed(N)=1400rpmdensity(ρ)=1.05kg/m3thrust(F)=?

Q: 3. A flat annular steel flywheel of outer radius 0.5 m and inner radius 0.125 m with p = 7800…

A:

Q: (a) Calculate the rotor radius for a multi-blade wind turbine that operates in a wind speed of 36…

A: Given Data The speed of the wind is:V=36 km/h=10 m/s The rate is:Q=6 m3/h The lift is:hp=6m Now…

Q: Q3:- The Fig. below shows an epicyclic gear train in which the gear D is held stationary by shaft A…

A: An epicyclic gear train comprises two rotating gears that rotate around the center of one rotating…

Q: A high speed turbine rotates at 220HZ and drives, by means of helical gears, a 250kW generator at…

A: Helical Gear: Helical gear is available in two teeth configurations left-handed and right-hand.…

Q: As shown, a shaft is composed of five cylindrical sections. A motor is attached at F and supplies…

A:

Q: 29.20 kg, 4220.29 N

A:

Clutches, Brakes, Couplings, and Flywheels

The clutch is described as a machine element used to connect or disconnect two shafts together to transmit torque or power. The clutch works on the principles of friction. The clutch is commonly used in automobiles to transfer power from the driving shaft to the driven shaft.