1.10 (a) Starting from properties of air at the mean sea level determine temperature, pressure, density, kinematic viscosity and velocity of sound at altitudes of 2000, 7000 and 15000 metres. (b) Determine the Mach numbers of aircrafts flying at 1080 km/hr at these altitudes. Ans. Z T(K) p(bar) P(kg/m³) v(m²/s) a(m/s) M 2000 275.15 0.795 1.006 17.176 x 10-6 332.6 0.902 7000 242.65 0.411 0.589 26.485 x 10-6 312.4 0.960 15000 216.65 0.120 0.194 73.04 x 10-6 295.2 1.016

1.10 (a) Starting from properties of air at the mean sea level determine temperature, pressure, density, kinematic viscosity and velocity of sound at altitudes of 2000, 7000 and 15000 metres. (b) Determine the Mach numbers of aircrafts flying at 1080 km/hr at these altitudes. Ans. Z T(K) p(bar) P(kg/m³) v(m²/s) a(m/s) M 2000 275.15 0.795 1.006 17.176 x 10-6 332.6 0.902 7000 242.65 0.411 0.589 26.485 x 10-6 312.4 0.960 15000 216.65 0.120 0.194 73.04 x 10-6 295.2 1.016

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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