Engineering, 22.04.2020 03:13 katet2965
Estimate the maximum range and the maximum endurance of a propeller-driven airplane with the following characteristics: empty weight 4000 lb, fuel weight 400 lb, specific fuel consumption 0.4 lb of fuel per horsepower per hour, propeller efficiency 0.8, zero-lift drag coefficient 0.03, wing area 200 ft2 , aspect ratio 7, and Oswald efficiency factor 0.85. Assume the standard sealevel conditions. Note: you may want to use some results given in section 6.14 of the textbook.
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1in2 processor chip can be modelled as an isothermal plane wall of silicon, isothermal on both sides. the power input to the bottom of the plane wall, or the processing power of the chip, often called the thermal design power (tdp), is 100w. assume the periphery is adiabatic. the silicon is 400 microns thick. the temperature at the junction, or in this case on the bottom of the isothermal plane wall, is 85°c. what is the top surface temperature, assuming that the only mode of heat transfer is conduction
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Estimate the maximum range and the maximum endurance of a propeller-driven airplane with the followi...
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