• Question Tag: airfoil
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• ## Find the coefficient of pressure at a point on the wing.

Find the coefficient of pressure at a point on the wing where the velocity is $$58\,m/s$$. The airplane is flying …

• 5 views
• ## Calculate the pressure coefficient at a point on the airfoil.

Calculate the pressure coefficient at a point on the airfoil where the pressure is $$8.9 \times 10^4\,N/m^2$$. Airfoil is …

• 11 views
• ## Calculate the lift, drag and moment coefficient about quarter chord per unit span of an airfoil.

Calculate the lift, drag and moment coefficient about quarter chord per unit span of an airfoil which is at an …

Asked on 4th January 2021 in
• 18 views
• ## Symmetrical and cambered airfoil

What is the difference between symmetrical and asymmetrical /cambered airfoil ?

Asked on 17th December 2020 in
• 48 views
• ## Airfoil terminology and NACA series of airfoil nomenclature.

Define airfoil terminology and NACA series of airfoil nomenclature.

Asked on 10th December 2020 in
• 54 views
• ## What is flaps and what are they used for ?

What is flaps and what are they used for ?

Asked on 2nd December 2020 in
• 66 views
• ## PollStall in an aircraft occurs when

Stall in an aircraft occurs when there is a flow separation and reduction in the lift coefficient of the airfoil. …

Asked on 6th July 2020 in
• 80 views
• ## What is critical Mach number ?

What is critical Mach number ?

Asked on 25th June 2020 in
• 203 views
• ## Calculate the lift and induced drag coefficients for the wing at a geometric angle of attack = $$7^{\circ}$$.

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 …

Asked on 12th November 2019 in
• 375 views
• ## Using thin airfoil theory, calculate $$(a) α_{ L=0}$$ (b) $$cl$$ when $$α = 3^{\circ}$$.

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}} …

Asked on 11th November 2019 in
• 881 views