1.A jet flies at altitude 6 km. A pitot tube on the wing tip reads Po = 72 kPa . (a) what is the jet's speed and Mach nu

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1 A Jet Flies At Altitude 6 Km A Pitot Tube On The Wing Tip Reads Po 72 Kpa A What Is The Jet S Speed And Mach Nu 1 (12.65 KiB) Viewed 16 times

1 A Jet Flies At Altitude 6 Km A Pitot Tube On The Wing Tip Reads Po 72 Kpa A What Is The Jet S Speed And Mach Nu 2 (59.48 KiB) Viewed 16 times

1.A jet flies at altitude 6 km. A pitot tube on the wing tip reads Po = 72 kPa . (a) what is the jet's speed and Mach number?; (b) what is the stagnation temperature at the pitot tube ? ; (c) if the jet's speed is tripled (x3) what Po would the pitot tube read ? Approx. Ans: (a) V - 200 m/s ; M-0.6; (b) To - 240K; (c) Po - 300 kPa
Table 2.2 Properties of the U.S. Standard Atmosphere (SI Units)" Dynamic Viscosity, (Ns/m) Acceleration Density, Altitude Temperature of Gravity, Pressure, p P (m) (°C) &(m/s) [N/m°(abs)] (kg/m) -1.000 21.50 9.810 1.139 E +5 1.347 E + 0 0 15.00 9.807 1.013 E +5 1.225E+0 1.000 8.50 9.804 8.988 E+ 4 1.112 E +0 2.000 2.00 9.801 7.950 E+ 4 1.007 E+0 3.000 -4.49 9.797 7.012 E+ 4 9.093 E-1 4.000 10.98 9.794 6.166 E 4 8.194 E-1 5.000 17.47 9.791 5.405 E4 7.364 E-1 6.000 23.96 9.788 4.722 E + 4 6.601 E- 7.000 -30.45 9.785 4.111 B + 4 5.900 E-1 8.000 -36.94 9.782 3.565 B4 5.258 E-1 9.000 9.779 3.080 B4 4.671 E- 10.000 - 49.90 9.776 2.650 E 4 4.135 E-1 15,000 -56.50 9.761 1.211 +4 1.948 E- 20.000 -56.50 9.745 5.529 E3 8.891 E-2 25.000 -51.60 9.730 2.349 E3 4.008 E 2 30.000 - 46,64 9.715 1.197 E 3 1.841 E 2 40,000 -22.80 9.684 2.871E+2 3.996 E-3 50,000 -2.50 9.654 7978 E+ 1.027 E - 3 60.000 - 26.13 9.624 2.196E+1 3.097 E-4 70,000 -53.57 9.594 5.221 E+0 8.283 E-5 80.00 - 74.51 9.564 1.052 +0 1.846 E-5 Data shidped from... Simone, 1974 US Covers Office Withington DC 1.821 E-5 1.789 E-5 1.758 E-5 1.726 E-5 1.694 E-5 1.661 E-5 1.628 E-5 1.595 E-5 1.561 E-5 1.527 E-5 1.493 E-5 1.458 E-5 1.422 E-5 1.422 E-5 1.448 E3 1.475 E-5 1.001 E-5 1.704 - 5 1.584 E-5 1.438 E 5 1.321 E-5