Eng-Calculations

Standard Atmosphere from 0 to 80Km

Values for calculation

Height above sea level

$h$ $\mathrm{m}$

Latitude

$φ$ $\mathrm{°}$

Gravitational acceleration

$g$ $\mathrm{m/s^2}$

Atmospheric pressure

$p$ $\mathrm{Pa}$

Density

$ρ$ $\mathrm{kg/m^3}$

Temperature

$T$ $\mathrm{°C}$

Specific weight

$γ$ $\mathrm{kg\cdot m^{-2}\cdot s^{-2}}$

Pressure scale height

$H_p$ $\mathrm{m}$

Air number density

$n$ $\mathrm{m^{-3}}$

Mean air-particle speed

$v̄$ $\mathrm{m/s}$

Mean free path of air particles

$l$ $\mathrm{m}$

Air-particle collision frequency

$ω$ $\mathrm{Hz}$

Speed of Sound

$a$ $\mathrm{m/s}$

Dynamic viscosity

$μ$ $\mathrm{kg\cdot m^{-1}\cdot s^{-1}}$

Kinematic viscosity

$ν$ $\mathrm{m^2\cdot s^{-1}}$

Thermal conductivity

$λ$ $\mathrm{W\cdot m^{-1}\cdot K^{-1}}$