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Use the system analysis procedure described in this chapter and construct the discrete system for heat conduction through the composite wall shown in Figure 2.9. Also, from the following data, calculate the temperature distribution in the composite wall.
Water is flowing through a large circular conduit with a velocity profile given by the equation v = 9(1- r2/16) fps. What is the average water velocity in the 1.5-ft pipe?
one of the inspectors in the quality control department has frequently used the brinell and rockwell hardness tests for
An Industrial water shutoff valve is designed to operate with 30lbs of force and will encounter 200lbs of resistance force applied to a 1.5in diameter axle. What is the required actual mechanical advantage of the system?
In fuel cell stacks, it is desirable to operate under conditions that promote uniform surface temperatures for the electrolytic membranes. This is especially true in high- temperature fuel cells where the membrane is con- structed of a brittle cer..
Determine the maximum theoretical rate of heating provided by a heat pump, in kW per kW of power input, in each of two cases: The role of the cold reservoir is played by (a) the atmosphere at 2208C, (b) ocean water at 58C.
air compressor is used to compress 0.03 kgs atmospheric air from 1 bar and 25oc to 10 bar. if the compression process
consider a plane wall experiencing transient 1-d heat conduction in x-direction. draw the temperature profile t as a
a rod has a cross sectional area of 1 cm2. the material has the following strength characteristics beyond which the rod
How can you tell from a root locus if the settling time does not change over a range of gain values? What values of damping is associated when a pair of dominant poles Crosse the imaginary axis?
One half of a mole of air is taken through the following processes in a closed piston-cylinder arrangement. From the initial state (V1 = 10 L, p1 = 1 atm) the gas is expanded at constant pressure to a volume of 20 L. It is then heated at constant vol..
A viscous fluid flows under its own weight between two very wide, stationary, flat plates inclined at an angle theta to the horizontal. Develop an expression for the velocity profile of the fluid assuming fully developed steady, laminar flow
a six cylinder four stroke spark ignition engine operating on the ideal otto cycle takes in air at 1 atm and 18 oc and
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