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Calculate the dynamic pressure of aircraft in air when mach number and pressure are 2 and 101325N/m^2.(a) 283710 N/m^2(b) 541278 N/m^2(c) 352769 N/m^2(d) 457815 N/m^2The question was posed to me in exam.My enquiry is from Air Data Computers in division Atmosphere and Air Data Measurement of Aircraft Performance |
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Answer» CORRECT option is (a) 283710 N/m^2 To elaborate: The answer is 283710. Given M=2, P=101325 N/m^2 and we know γ for air is 1.4. On substituting the values in the formula q=\(\FRAC{1}{2}\)γPM^2 We get q=\(\frac{1}{2}\)*1.4*101325*2^2 On solving we get q=283710 N/m^2. |
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