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Why NACA 0012 airfoil is said to be symmetric airfoil?
A symmetric airfoil is operating with flow velocity of 350m/s. The lift produced by the airfoil is 21 N at 0.008 rad AOA. If chord is c m then, what will be the pressure difference across the airfoil?
An airfoil is such that the drag produced by airfoil is 25N. Airfoil has chord of 2m and is experiencing dynamic pressure of 10Pa. Find the value of drag co-efficient for airfoil.
Which is not a feature of the first new NACA airfoil (GA(W)-1 or the Whitcomb airfoil) developed?
How is supercritical airfoil different from the NACA 64 series airfoil?
Consider a NACA 2812 airfoil. It is operating with flow velocity of 900m/s with chord of 1m. What should be the maximum thickness of this airfoil?
The NACA LS (1) – 04XX airfoils when compared to NACA airfoils with same thickness had higher L/D ratios. For a lift coefficient of 1.0, what was this increase approximately in percentage?
The cl,max for the NACA LS (1) – 0417 is higher than that for the NACA 2412.
Which of the following statements is/are correct If A and B are two symmetric matrices of order n then 1. A + B is also a symmetric matrix. 2. AB is a symmetric matrix
Which of the following statements is/are true If A and B are two skew-symmetric matrices of order n then 1. A ⋅ B is a skew symmetric matrix when AB = - BA 2. A ⋅ B is a symmetric matrix when AB = BA