SHIGLEY'S MECH.ENGR...(LL)-PKG.>CUSTOM<
10th Edition
ISBN: 9781260028379
Author: BUDYNAS
Publisher: MCG/CREATE
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 16, Problem 28P
For the conditions of Prob. 16–27, make a plot of the equivalent inertia Ie as ordinate and the stepdown ratio n as abscissa in the range 1 ≤ n ≤ 10. How does the minimum inertia compare to the single-step inertia?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
22-A flywheel of mass 0.7 ton is fitted to a multi cylinder engine, which runs at a mean speed of 400 r.p.m. If the speed varies from 7 % above the mean to 3 % below it and the fluctuation energy is 2100 kN-cm, find (i) mass moment of inertia of the wheel and (ii) radius of Gyration.
Solution:
The mass moment of Inertia in Kgm2 is
Radius of Gyration in m is
A flywheel of mass 0.9 ton is fitted to a multi cylinder engine, which runs at a mean speed of 380 r.p.m. If the speed varies from 9 % above the mean to 6 % below it and the fluctuation energy is 1100 kN-cm, find (i) mass moment of inertia of the wheel and (ii) radius of Gyration.
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.
Chapter 16 Solutions
SHIGLEY'S MECH.ENGR...(LL)-PKG.>CUSTOM<
Ch. 16 - The figure shows an internal rim-type brake having...Ch. 16 - For the brake in Prob. 16-1, consider the pin and...Ch. 16 - In the Figure for Prob. 16-1, the inside rim...Ch. 16 - The figure shows a 400-mm-diameter brake drum with...Ch. 16 - The block-type hand brake shown in the figure has...Ch. 16 - Suppose the standard deviation of the coefficient...Ch. 16 - The brake shown in the figure has a coefficient of...Ch. 16 - Prob. 8PCh. 16 - Prob. 9PCh. 16 - Prob. 10P
Ch. 16 - The maximum band interface pressure on the brake...Ch. 16 - The drum for the band brake in Prob. 1611 is 12 in...Ch. 16 - The brake shown in the figure has a coefficient of...Ch. 16 - The figure depicts a band brake whose drum rotates...Ch. 16 - The figure shows a band brake designed to prevent...Ch. 16 - A plate clutch has a single pair of mating...Ch. 16 - A hydraulically operated multidisk plate clutch...Ch. 16 - Prob. 18PCh. 16 - A cone clutch has D = 12 in, d = 11 in, a cone...Ch. 16 - Prob. 20PCh. 16 - A two-jaw clutch has the dimensions shown in the...Ch. 16 - Prob. 22PCh. 16 - Prob. 23PCh. 16 - Prob. 24PCh. 16 - Using the data of Table 16-6, find the mean output...Ch. 16 - When a motor armature inertia, a pinion inertia,...Ch. 16 - For the conditions of Prob. 1627, make a plot of...Ch. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31P
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- solve a and b please. A horizontal conveyer belt moving at a uniform speed of 1.2 M/S transports material at the rate of 100 tonnes/hr. Belt is 200 M long and driven by a motor at 1200 rpm. (a) Determine the load inertia referred to the motor shaft. (b) Calculate the torque that motor should develop to accelerate the belt from standstill to full speed in 8 sec. Moment of inertia of the motor is 0.1 kg-.m2arrow_forwardA flywheel is fitted to a multi cylinder engine, which runs at a mean speed of 360 r.p.m. If the speed varies from 6 % above the mean to 2 % below it and the fluctuation energy is 1200 kN-cm, If the radius of gyration is 20 cm, find (i) mass moment of inertia of the wheel and (ii) mass of flywheel. The mass moment of Inertia in Kgm2 is Mass of the flywheel in kg isarrow_forwardProblem: A wheel that is free to rotate and has a mass of M, a radius of R, and a moment of inertia of I which is centered and is fixed at a point a distance H above the ground. The edge of the wheel is wrapped with a thin thread that is connected to a mass M which is the same as the wheel's mass. When the mass is released from a stationary position, it falls a distance of H in a time period of delta t. In terms of R, M, g, I, and H, what is the duration of this process, delta t? Given: Radius = R Moment of inertia = I Mass = m angular speed = omega_o initial time = 0 coefficient kinetic friction = mu_k velocity center of mass = v_cm Unknowns: Final velocity of the wheel. Final answer should be in variable terms. Target: Determine the wheel's final velocity in terms "I, M, R, and omega o." ( In terms of R, M, g, I, and H, what is the duration of this process, delta t?) Final answer should be in this form: v_f = (equation using I, M, R and omega_o.) (The equations for force,…arrow_forward
- Calculate the moment of inertia, Izz, of the simple crankshaft in the figure below. The material has a density of 7700kg/m3. All the round parts have a diamter of 50mm. All diamensions is in millimeters. Both ends are 60mm in length.arrow_forwardA wheel with rotational inertia 45 kg.m2 is mounted on a fixed, frictionless axle. The angular speed of the wheel is increased from zero to 44 rad/s in 13-s. What is the AVERAGE power input to the wheel during this time interval?arrow_forwardDetermine the mass moment of inertia for the following objects: a thin disk, circular cylinder, and a sphere. Refer to Equations (9.10) through (9.13) for appropriate relationships. If you were to place these objects alongside of each other on an inclined surface, which one of the objects would get to the bottom first, provided that they all have the same mass and diameter?arrow_forward
- Find βW for the torque- angle diagram shown. The enclosed areas are , A1 = 400 J , A2 = 800 J , A3 = 550 J and A4 = 150 J Find the moment of inertia for a flywheel which will keep the speed within the range 410 to 416 rev/min. and find the mass of a suitable flywheel with a radius of gyration of 0.5 m.arrow_forwardCalculate the Rotational Inertia using the following formula and data. Express uncertainty to 1 significant figure. Thank You!arrow_forwardA weight of 500 kg is being lifted up at a uniform speed of 1.5 m/s by a winch driven by a motor running at a speed of 1000 rpm. The moments of inertia of the motor and winch are 0.3 and 0.3 kg-m respectively. In the absence of the weight, the motor develops a torque of 100 Nm at a speed of 1000 r/min. Calculate the motor torque and the equivalent moment of inertia referred to the motor shaftarrow_forward
- The equation of the turning moment diagram for the three crank engine is given by:where θ radians is the crank angle from inner dead cen?tre. The moment of inertia of the flywheel is 400 kg-m2 and the mean engine speed is 300 r.p.m. Calculate the power of the engine and the total percentage fluctuation of speed of the flywheel, if 1. The resisting torque is constant, and 2. The resisting torque is (25 000 + 3600 sin θ ) N-m.arrow_forwardThe diagram shows a torque angle diagram for a certain machine. The speed of the shaft must be maintained between 490 and 510 RPm. determine 1) greatest fluctuation in energy 2) moment of inertia of the suitable flywheel 3) the mass required if the radius of gyration is 0.3marrow_forwardan engine with a mass of 500 kg is dropped onto the end of a weightless cantilever bridge with a velocity of 0.6 m/s. The impact causes vibrations of the combined engine/ cantilever bridge system, with the engine stuck onto the bridge. The bridge is made of steel with a modulus of elasticity of 200 x109 N/m2, length 3 m and moment of inertia 2 x10-6 m4. Neglect the inertia of the bridge and calculate the response of the combined engine/cantilever beamarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Mechanical Design (Machine Design) Clutches, Brakes and Flywheels Intro (S20 ME470 Class 15); Author: Professor Ted Diehl;https://www.youtube.com/watch?v=eMvbePrsT34;License: Standard Youtube License