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1. Draw a representative volume element (RVE) for an epoxy matrix filled with cylindrical steel rods arranged in a rectangular array. Compute the volume fraction Vf as a function of the fiber diameter df and the spacing between the centers of the fibers ax and ay in the two directions (center to center).
2. Write a definition for Representative Volume Element. Draw a set of fibers in an hexagonal array: six fibers at the vertices of an hexagon plus one in the center, with the fibers touching each other. Draw the smallest RVE for this arrangement. Compute the fiber volume fraction.
steam enters a diffuser at 20 psia and 240of with a velocity of 900 fts and exits as saturated vapor at 240of and 100
Make a histogram of the individual data and estimate µ and σ as outlined in the chapter. If you decide to measure the weight characteristics, you can check your estimate of µ by weighing all the M&Ms together and dividing by the total number of M&..
Database solutions today must be able to adapt and integrate among various computing applications. Determine at least three forms of database connectivity methods that can be used as an interface between applications. For each method you have c..
If this house is to be heated by electric resistance heaters, determine the required rated power of these heaters in Btu/h to maintain the house at constant temperature.
a transistor in a stereoamplifier dissipates 0.4 w within a housing that is cylindrical radius 8 mm and height 8 mm.
But on the other hand, how could you justify spending scarce resources in rural areas when you know that this would benefit far fewer people than if you spent the money in cities instead?
a fluid at 0.7 bar occupying 0.09 m3 is compressed reversibly to a pressure of 3.5 bar according to the law pvn
a garden hose attached with a nozzle is used to fill a 10-gallon bucket. the inner diameter of the hose is 2 cm and it
A power plant operates a regenerative Rankine cycle with one open feed water heater and has a net power output of 1x10^9 Btu/hr. When the steam exits the boiler it’s temperature is 1000°F and its pressure is 1400 psi. At the exit of the first stage o..
Determine the likely power developed by the turbine, the specific speed and specific diameter, and the most suitable type of turbine for this duty.
Steam is expanded from 20 bars, 280 C to 100kPa through an adiabatic, steady flow turbine whose isentropic efficiency is 90%. The turbine surroundings maintain their temperature at 27 C. How much entropy is generated by this process and does this pro..
A cube of 2" dimensions is placed in a square hole (also of 2" dimensions) that is 1.998" deep. The hole was cut out of a rigid material. (The top of the cube protrudes .002" above the surface). If a flat rigid plate is placed on top of the cube and ..
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