An aircraft has the CL-a curve shown in Figure 4.12. The following data applies: Weight = 20 000 lb Wing area, S = 340 sq. ft. Density altitude = 10 000 ft TAS = 242.4 kts. Find the aircraft's AOA for steady. CL 1.6- 1.4- 1.2- 1.0 0.8 0.6 0.4 0.2 0 L 02 ---Straight portion Clux J 1 4 6 8 10 12 14 16 18 Angle of attack (a) Eigure 4.12 C vs. AOA for a symmetrical airfoil. Stall angle of attack

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Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.8P
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An aircraft has the CL-a curve shown in Figure 4.12.
The following
data applies:
Weight = 20 000 lb
Wing area, S = 340 sq. ft.
Density altitude = 10 000 ft
TAS 242.4 kts.
Find the aircraft's AOA for steady.
CL
1.6-
1.4-
1.2-
1.0
0.8
0.6
0.4
0.2
0
L
02
----Straight portion
Clux
J 1
4 6 8 10 12 14 16 18
Angle of attack (a)
Eigure 4.12 C vs. AOA for a symmetrical airfoil.
Stall angle
of attack
Transcribed Image Text:An aircraft has the CL-a curve shown in Figure 4.12. The following data applies: Weight = 20 000 lb Wing area, S = 340 sq. ft. Density altitude = 10 000 ft TAS 242.4 kts. Find the aircraft's AOA for steady. CL 1.6- 1.4- 1.2- 1.0 0.8 0.6 0.4 0.2 0 L 02 ----Straight portion Clux J 1 4 6 8 10 12 14 16 18 Angle of attack (a) Eigure 4.12 C vs. AOA for a symmetrical airfoil. Stall angle of attack
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