
A circular cylinder and a sphere are in a free stream flow with their axis perpendicular to the flow. At …
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A pitot tube of an airplane which is flying at an standard sea level measures a pressure of \(1.09 \times …
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Find the velocity of air in the test section of a low speed open circuit subsonic wind tunnel which has …
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A venturi is attached on a side of an airplane fuselage, has an throat to inlet area ratio of \(0.8\). …
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What is Bernoulli’s theorem ?
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Consider an incompressible twodimensional viscous flow over a curved surface .Let the pressure distribution on the surface be \(p(s)=2+sin\left ( …
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The measured lift slope for the NACA \(23012\) airfoil is \(0.1080\; degree^{−1}\), and \(α_{L}=0 = −1.3^{\circ}\). Consider a finite wing …
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The NACA 4412 airfoil has a mean camber line given by\[\frac{z}{c} = \left\{ {\begin{array}{*{20}{c}} {0.25\left[ {0.8\frac{x}{c} – {{\left( {\frac{x}{c}} \right)}^2}} …
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For the NACA \(2412\) airfoil, the lift coefficient and moment coefficient about the quarterchord at \(−6 ^{\circ}\) angle of attack …
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Consider a thin, symmetric airfoil at \(1.5^{\circ}\) angle of attack. From the results of thin airfoil theory, calculate the lift …
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