Example 2. A high-speed AC 130 gunship is flying at a pressure altitude of 10 km. APitot tube on the wingtip measures a pressure of 4.24 x 10ª N/m2. Calculate theMach number at which the aircraft is flying.Solution: Solving for P1 at an altitude of 10000 m, we get 2.65 x 104 N/m2k-11.4-1Pok4.24 x 104)1.4M?k – 1- 1- 11.4 – 12.65 x 104M? = 0.719M1 = 0.848

Answered: Image /qna-images/answer/8119f712-4598-4005-a672-255a9d28e1e0.jpg

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.

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.

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Chapter5: Analysis Of Convection Heat Transfer

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Question

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
Po
k
4.24 x 104)
1.4
M?
k – 1
- 1
- 1
1.4 – 1
2.65 x 104
M? = 0.719
M1 = 0.848

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