Example 2. A high-speed AC 130 gunship is flying at a pressure altitude of 10 km. A Pitot tube on the wingtip measures a pressure of 4.24 x 10ª N/m². Calculate the Mach number at which the aircraft is flying. Solution: Solving for P1 at an altitude of 10000 m, we get 2.65 x 104 N/m2 k-1 1.4-1 (P. k 4.24 x 104\ 1.4 %3D - 1 %3D - 1 k – 1 P1 1.4 – 1 2.65 x 104 M2 - 0719

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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Example 2. A high-speed AC 130 gunship is flying at a pressure altitude of 10 km. A
Pitot tube on the wingtip measures a pressure of 4.24 x 104 N/m². Calculate the
Mach number at which the aircraft is flying.
Solution: Solving for P1 at an altitude of 10000 m, we get 2.65 x 104 N/m?
1.4-1
k-1
k
(4.24 x 104\ 1.4
1
2
P.
2
M?
k – 1|\P,
- 1
1.4 – 1
2.65 x 104
M?
= 0.719
M1 :
= 0.848
Transcribed Image Text:Example 2. A high-speed AC 130 gunship is flying at a pressure altitude of 10 km. A Pitot tube on the wingtip measures a pressure of 4.24 x 104 N/m². Calculate the Mach number at which the aircraft is flying. Solution: Solving for P1 at an altitude of 10000 m, we get 2.65 x 104 N/m? 1.4-1 k-1 k (4.24 x 104\ 1.4 1 2 P. 2 M? k – 1|\P, - 1 1.4 – 1 2.65 x 104 M? = 0.719 M1 : = 0.848
From example no. 2, if the ambient air temperature is 230 K, determine the
true airspeed and calibrated airspeed.
Transcribed Image Text:From example no. 2, if the ambient air temperature is 230 K, determine the true airspeed and calibrated airspeed.
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