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Engine oil at 100°C and a velocity of 0.1 m/s flows over both surfaces of a 1-m-long flat plate maintained at 20°C. Determine:
(a) The velocity and thermal boundary layer thicknesses at the trailing edge.
(b) The local heat flux and surface shear stress at the trailing edge.
(c) The total drag force and heat transfer per unit width of the plate.
(d) Plot the boundary layer thicknesses and local values of the surface shear stress, convection coefficient, and heat flux as a function of x for 0 ≤ x ≤ 1 m.
Calculate the force of electrical attraction when the material is in the center of the capacitor
Consider a carbon-reinforced epoxy composite containing 45 vol% unidirection- ally aligned carbon ?bers.
a small steel cylinder is used as a pressure vessel for a paint gun. the label says 24 grams co2 filled. assume the
Determine the angular velocity of the two 10-kg rods in Fig. 2 when , if they are released from rest in the position . Neglect friction.
Solve for the string displacement y(x,t) and determine the resonance frequencies. Find the formula for the mechanical impedance at the drive point x = L.
Water vapor is cooled in a closed, rigid tank from 520°C and 100 bar to a final temperature of 270°C. Determine the final pressure, in bar, and sketch the process onT-y and p-y diagrams.
sterilization is a batch process by which bacteria and molds in food are killed by heat treatment. a can of vegetables
At the frequency at which the line operates, the reactance of the load is -j50 Ω and the phase constant on the line is 20π rad/m. Calculate and plot the line impedance as a function of distance from load.
a coil spring is stretched by two equal and opposite forces f120n. the wire diameter is 5 mm and the mean coil diameter
a compressor takes in air at 100 kpa and 300 k and discharges it at 0.25 kgs at 1.2 mpa and 450 k. unfortunately the
a single acting air motor has a bore of 380mm and stroke of 610mm. the supply pressure and temperature is 6.2 bar and
heat is generated in a 2 mm diameter electric resistance wire k 10 wm-k uniformly at a rate of 5 kwm of length of
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