i need the answer quickly 6. For a wing of aspect ratio AR, having an elliptical lift distribution, the induced drag coefficient is(where CL is the lift coefficient)C.(a)TAR(b)TARC.2пAR(d)AR27. Laminar flow airfoil is used to reduce the(a) pressure drag (b) induced drag (c) skin friction drag (d) wave drag8. Set the aerofoil your chosen angle of incidence isgives a good installed pressure distribution.(a) twelve degree (b) ten degree (c) eight degree9. The critical Mach number for a thick airfoil will be(a) lesser than a thin airfoil. (b) greater than a thin airfoil.(c) equal to a thin airfoil.(d) cannot be related to thin airfoil10. What is the dimension for Lift coefficient?(a) N/s(b) kg/N(c) Dimensionless

Given Drag coefficient Laminar flow airfoil Angle of incident To find Aspect ratio to drag…

Answered: 6. For a wing of aspect ratio AR,…

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.49P

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Air at 1000C flows at an inlet velocity of 2 m/s between two parallel flat plates spaced 1 cm apart. Estimate the distance from the entrance to the point where the boundary layers meet.
What is the Effect of wing plan form (taper ratio and wing twist) and aspect ratio(AR) on the Induced drag coefficient, ?
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A wing of 2 percent camber, 5-in chord, and 30-in span istested at a certain angle of attack in a wind tunnel with sealevelstandard air at 200 ft/s and is found to have lift of 30 lbfand drag of 1.5 lbf. Estimate from wing theory (a) the angle ofattack, (b) the minimum drag of the wing and the angle of attackat which it occurs, and (c) the maximum lift-to-drag ratio.
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