231
Points
Questions
67
Answers
24
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Why is critical Mach number of a sphere higher than a cylinder ?
- 165 views
- 1 answers
- 0 votes
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What is AWACS?
- 252 views
- 1 answers
- 0 votes
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What is a Jet lag ?
- 400 views
- 1 answers
- 0 votes
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A circular cylinder and a sphere are in a free stream flow with their axis perpendicular to the flow. At …
- 338 views
- 1 answers
- 0 votes
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A NACA 4421 airfoil having a chord length of \(2\,m\) is flying at an velocity of \(70\,m/s\) at an altitude …
- 389 views
- 1 answers
- 0 votes
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A positively cambered airfoil has a zero-lift angle of \(-3.5^{\circ}\). The lift slope for this airfoil is \(0.12\) per degree. …
- 1K views
- 1 answers
- 0 votes
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Find the velocity of air in the test section of a low speed open circuit subsonic wind tunnel which has …
- 325 views
- 1 answers
- 0 votes
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Find the acceleration of a fluid particle in the \(x\) direction at \((x,y) = (3,1)\) for a velocity field, which …
- 477 views
- 1 answers
- 0 votes
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A velocity field is given by \(u=\frac{y}{x^{3}+y}\) and \(v=\frac{-x}{x^{3}+y}\). Find the equation of the streamline which is passing through the …
- 442 views
- 1 answers
- 0 votes
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Find the reservoir pressure for a nozzle of a supersonic wind tunnel which has an exit-to-throat area ratio of \(4.441\). …
- 280 views
- 1 answers
- 0 votes