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Two horizontal surfaces separated by a 125-mm layer of air have upper and lower temperature of 300k and 350k, respectively. Determine the rate of heat exchange per square meter between the two surfaces?
By performing both an energy balance and an entropy analysis, calculate the change in entropy when 1 mole of saturated ethanol vapor condenses at its normal boiling point.
Air modeled as an ideal gas enters at 320k, 900kpa, with a velocity of 30 m/s and exits at 305k. Assuming steady state and neglecting stray heat transfer, determine for air ex
Critically evaluate the concepts of fluid mechanics and critically evaluation of the principles of CFD (Computational Fluid Dynamics) to the requirements of the mechanical ind
Design an oscillatory planar mechanism with two rigid bodies connected by a slider and a harmonic (Asin(wt)) external force/moment applied on the mechanism. Determine the equa
Consider a NACA 0009 airfoil that has a plain flap whose length is 0.2c and which is deflected 25. a. Calculate cl and cmc/4 When the geometric angle of attack is 4 degrees,
A rigid tank is divided into two equal parts by a partition. One part of the tank contains 8.4 kg of compressed liquid at 400 kPa and 65 degrees Celsius while the other part i
Explain why an electric refrigerator, which transfers energy by means of heat from the cold food storage compartment to the warmer air in the room, is not an impossible "claus
The true stress-strain curve of a material obeys the power-hardening law with n = 0.18. A piece of this material was given a tensile strain of ε = 0.03 before being sent to a
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