Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Moment of Inertia
Inertia can be termed as a resistance offered by a body to change its state. A rigid body initially at rest will apply resistance when acted by an external force that tends to change its state of rest or velocity, or a body initially at motion will provi…
Question

A NACA 2412 airfoil with a chord of 0.64m is flying in an airstream of standard sea level conditions. The freestream velocity is 70 m/s. Given the lift per unit span is 1,254 N/m. By using the experimental data for NACA 2412 data plot in Figure Q1c, investigatethe angle of attack of the airfoil and the analyze the value of drag per unit spanof the airfoil. Given that at standard sea level, ?=1.789×10-5 kg/m.s.

0.024 NACA 2412 anfal 0.020 -Eg 4.7) n 20 0016 1.6- 0.012 1-2- 0.008 Lit culicient corfisient 0.004 -0.05 0.4 E (44) Mornent coetficient Woment -0.1 -02 • Re-31X 10 a Re-8,9 X 10 -0.15 -03 B Re- 89X 10 04 -*0 8 15 24 -12 -8 12 16 agees deces Figure Q1(c)
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Transcribed Image Text:0.024 NACA 2412 anfal 0.020 -Eg 4.7) n 20 0016 1.6- 0.012 1-2- 0.008 Lit culicient corfisient 0.004 -0.05 0.4 E (44) Mornent coetficient Woment -0.1 -02 • Re-31X 10 a Re-8,9 X 10 -0.15 -03 B Re- 89X 10 04 -*0 8 15 24 -12 -8 12 16 agees deces Figure Q1(c)
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