Problem 3.Each of the right angle rods has a mass of 120 g and is welded to the shaft, which rotates at a steadyspeed of 3600 rpm. Ignore the weight of the shaft AB. Find the bearing dynamic reaction at Adue to the dynamic imbalance of the shaft. (ignore mgs)100NA100100100100100(Dimensions in millimeters)Answer: A=-8521-426j NB

Answered: Image /qna-images/answer/3b6590f6-8433-4239-b31b-6e68023443b6.jpg

Answered: Problem 3. Each of the right angle rods…

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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A turbine rotor is mounted on a stepped shaft that is fixed at both ends as shownbelow. The torsional stiffnesses of two segments of the shaft are given by kt1 = 3000N-m/rad and kt2 = 4000 N-m/rad. The turbine generates a harmonic torque given byM(t) = M0 cos ωt about the shaft axis with M0 = 200 N-m and ω = 500 rad/s. The massmoment of inertia of the rotor about the shaft axis is J0 = 0.05 kg-m2. Assuming theequivalent torsional damping constant of the system as ct = 2.5 N-m-s/rad, determinethe equation of motion and the steady-state response of the rotor, θ(t)
A turbine rotor is mounted on a stepped shaft that is fixed at both ends in parallel as shownbelow. The torsional stiffnesses of two segments of the shaft are given by kt1 = 3000N-m/rad and kt2 = 4000 N-m/rad. The turbine generates a harmonic torque given byM(t) = M0 cos ωt about the shaft axis with M0 = 200 N-m and ω = 500 rad/s. The massmoment of inertia of the rotor about the shaft axis is J0 = 0.05 kg-m2. Assuming theequivalent torsional damping constant of the system as ct = 2.5 N-m-s/rad, determinethe equation of motion and the steady-state response of the rotor, θ(t)
A turbine rotor is mounted on a stepped shaft that is fixed at both ends as shown in The torsional stiffnesses of the two segments of the shaft are given by ka = 3,000 N-m/rad and k2 = 4,000 N-m/rad. The turbine generates a harmonic torque given by M(t) = Mo cos wt about the shaft axis with M, = 200 N-m and w = 500 rads. The mass moment of inertia of the rotor about the shaft axis is Jo = 0.05 kg-m. Assuming the equivalent torsional damping constant of the system as c, = 2.5 N-m-s/rad, determine the steady-state response of the rotor, 6(1). O(1) ke M(1) = M, cos ot Turbine rotor, Jo
Turning moment 1mm = 60 Nm: crank angle, 1 mm = 1° . The turning moment shows the maximum energy that needs to be stored by the flywheel in the unit area is 2850 m² . The flywheel rotates at an average speed of 220 rpm with a total speed change of 2.5%. If the mass of the flywheel is 500 kg, find the appropriate dimensions (inner diameter, outer diameter and thickness) of the flywheel. Given that inner diameter of the flywheel is 0.9 outer diameter and the density is 7.2 Mg/m³ .
Please answer: 3, 4, 5, 6, 8, 9, 10, 12 The only correct answers are 1 (0), 2 (0), 7 (point A). #11 is 2. The rest are incorrect. Please do not submit the same answer you submitted for my original question. The wheel is attached to the spring. The mass of the wheel is m=20 kg. The radius of the wheel is 0.6m. The radius of gyration kG=0.4 m. The spring’s unstretched length is L0=1.0 m. The stiffness coefficient of the spring is k=2.0 N/m. The wheel is released from rest at the state 1 when the angle between the spring and the vertical direction is θ=30°. The wheel rolls without slipping and passes the position at the state 2 when the angle is θ=0°. The spring’s length at the state 2 is L2=4 m. (1) If the datum for gravitational potential energy is set as shown below, the the gravitational potential energy of the wheel at the state 1 is 0 N m(two decimal places) (ANSWER IS 0) (2) If the datum for gravitional potential energ is set as shown below, the gravitational potential energy of…
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In the image on the right, there is a red gear G1 on the left with a radius of r1 = 2.81cm. Gear G1 is locked to the green gear G2 with a radius of r2 = 0.734cm. Gear G2 then shares the same axle as the blue circular saw G3, which has a radius of r3 known to make a full rotation every T = 0.836s. Using at least 6 significant digits in your calculations, compute the following: V3! 12.8cm. Gear G1 is W1 a) The angular speed wi of gear G1. Remember that angular speed is measured in radians per T3 r2 unit time. G2 b) The rim speed vi of gear G1. Since gears G1 and G2 are locked together, the rim speed of G2 is also v1. G1 G3 c) The angular speed w2 of gear G2. Since gear G2 and saw G3 share the same axle, the angular speed of G3 is also w2. d) The rim speed v3 of saw G3.
Please answer: 3, 4, 5, 6, 8, 9, 10, 12 The wheel is attached to the spring. The mass of the wheel is m=20 kg. The radius of the wheel is 0.6m. The radius of gyration kG=0.4 m. The spring’s unstretched length is L0=1.0 m. The stiffness coefficient of the spring is k=2.0 N/m. The wheel is released from rest at the state 1 when the angle between the spring and the vertical direction is θ=30°. The wheel rolls without slipping and passes the position at the state 2 when the angle is θ=0°. The spring’s length at the state 2 is L2=4 m. (1) If the datum for gravitational potential energy is set as shown below, the the gravitational potential energy of the wheel at the state 1 is 0 N m(two decimal places) (ANSWER IS 0) (2) If the datum for gravitional potential energ is set as shown below, the gravitational potential energy of the wheel at the state 2 is 0 N m (two decimal places) (ANSWER IS 0) (3) At state 1, how long the spring is stretched from its unstretched state (length…
Flywheels are used to smooth out fluctuating torques such as produced on the crank of piston engines. The diagram shows a torque - angle diagram for a certain machine. The speed of the shaft must be maintained between 490 and 510 rev/min. Calculate the moment of inertia of a suitable flywheel. Calculate the mass required if the radius of gyration is to be 0.3 m.
hye. please help to explain and write properly
A gear engine automobile is traveling along a curved track of 120m radius. Each of the four wheels has a moment of inertia of 2.3 kg m2 and an effective diameter of 600 mm. The rotating parts of the engine have a moment of inertia of1.25kg m2 the gear ratio of the engine to back wheel is 3:2.The engine axis is parallel to the gear axle and the crank shaft rotates in the same sense as the road wheels. The mass of the vehicle is 2050 kg and the center of mass is 520 mm above the road level. The width by the track is 1.6m, what will be the limiting speed of the vehicle if all the four wheels maintain contact with the road surface (b) Explain the function of a flywheel from a crank effort diagram.
8. The torque exerted on the crank shaft of a two stroke engine is given by the equation: T(N-m)= = 14 500 + 2300 sin 20 – 1900 cos 20 where 0 is the crank angle displacement from the inner dead centre. Assuming the resisting torque to be constant, determine: 1. The power of the engine when the speed is 150 r.p.m. ; 2. The moment of inertia of the flywheel if the speed variation is not to exceed ± 0.5% of the mean speed; and 3. The angular acceleration of the flywheel when the crank has turned through 30° from the inner dead [Ans. 228 kW; 1208 kg-m²; 0.86 rad/s²] centre.

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