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Using the required parameters for a typical large size car* and an appropriate frontal Quarter-Car model:
a) Approximating the system to a single mass, estimate the sprung and un-sprung mass natural frequencies and suspension damping ratio.
b) Obtain and provide the car's ride equations of motion for the 2 DOF Quarter-Car model. Give your answer in Matrix form in terms of variables including damping.
c) Obtain the natural frequencies and mode shapes, using equations in (b).
d) Repeat (c) using Eigen-value solution using the M and K matrices for the system. (Give the M and K matrices and Eigen-value solutions using Matlab or other tool and interpret the results).
e) Compare and comment on the results obtained in (a), (c) and (d).
f) Obtain the expressions for displacement transmissibility of sprung and unsprung masses.
g) Obtain the plots for (f) using tool of your choice for baseline parameters and for twice the damping ratio.
Diffusion Coeffiecient, Calculate Constant, The diffusion coeffiecient for Cr^+3 in Cr2O3 is 6x10^-15 cm2/s at 727 degrees Celcius and is 1x10^-9 cm2/s at 1400 degrees Celcius.
Hollow shaft transmitting power with shear limits. Design a hollow steel shaft to transmit 300 hp at 75 rpm without exceeding a shear tress of 8000 psi. Use 1.2:1 as the ratio of the outside diameter to the inside diameter.
Determining Feasibility, At steady state, a new power cycle is claimed by its inventor to develop 6 horsepower for a heat addition rate of 400 Btu/min
Evaluate thermal efficiency of the cycle
Find the velocity of the bullet and the distance it has traveled into the water after 4 seconds. Please show detailed step by step process to solution.
Make a form tool for lathe for making a convex groove of 3 mm radius. tool material will be tungsten carbide. Know the dimensions of tool.
Finding the volume of hydrogen, A hydrogen filled balloon of the type used in cosmic ray studies is to be expanded to its full size which is a 100-ft diameter sphere, without stress in the wall at an altitude of 150,000 ft.
The temperature of the water drops to 260 F as a result of heat transfer to the surroundings. Determine the final pressure in the tank?
Assuming that the bomb is perfectly insulated what is the temperature of the air in the bomb at the end of filling process? Assume air is an ideal gas with constant specific heats in a ratio Cp/Cv = γ = 1.4 and constant R= 287 J/kg K.
What load P allow can be supported at the midpoint of the bar if the yield stress in the steel wires is 220 MPa and in the aluminium wire is 80 MPa? A saftey factor of n = 2 is needed.
The 50-lb load is hoisted by the pulley system and motor M. If the crate starts from rest and by constant acceleration attains a speed of 15 ft/s after rising s = 6 ft, determine the power that must be supplied to the motor at this instant.
Focus mainly of consumer items such as iPods, coke bottles, running shoes
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