Engineering, 21.11.2019 03:31 artsycentury
Part i calculate the percentage improvement in the total surface area of a single aluminum plate mounted on the top of an ic if the plate is coated by a single soft-landed layer of aluminum nanoparticles. the aluminum plate measures 1" x 1" and a thickness of 1/16 of an inch. each nanoparticle has a diameter of 20 nm. part ii derive an equation to find the total surface improvement as function of nanoparticle dimension. part iii if nanoparticles are accelerated toward the heat sink plate and as a result the lower hemisphere of the nanoparticle is crushed, repeat part i and ii.
Answers: 3
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Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
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Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
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Part i calculate the percentage improvement in the total surface area of a single aluminum plate mou...
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