Engineering, 14.04.2020 21:43 boonkgang6821
Assuming a lift curve slope of 0.11 per degree angle of attack for a two-dimensional airfoil, calculate the lift coefficients at 2, 6 and 10 degrees angle of attack for:
a. A symmetric airfoil.
b. A positively cambered airfoil with a zero lift angle of attack of -1.3 degrees.
c. A reflexed airfoil with a zero lift angle of attack of 1.75 degrees.
Answers: 1
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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Engineering, 03.07.2019 14:10
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
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Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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Engineering, 03.07.2019 15:10
Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.
Answers: 1
Assuming a lift curve slope of 0.11 per degree angle of attack for a two-dimensional airfoil, calcul...
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