Pressure in atmosphere: Difference between revisions

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(Created page with "== Introduction == ISO2533:1975 == International Standard Atmosphere == https://en.wikipedia.org/wiki/International_Standard_Atmosphere Earth's atmosphere's changes in * Pressure <math>P</math> * Temperature <math>T</math> * Density <math>\rho</math> * Viscosity <math>\eta</math> or <math>\mu</math> Hydrostatic balance <math> \frac{dP}{dh} = -\rho g </math> The ideal gas law <math> P = \rho R T </math>")
 
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ISO2533:1975
ISO2533:1975
The case in Toposhere (<10 km).
* Lapse rate +6.5 °C/km
* Base temp 19.0 °C
* Base atmospheric pressure 108,900 Pa equals 1.075 atm
* Base atmospheric density 1.2985 kg/m3


== International Standard Atmosphere ==
== International Standard Atmosphere ==

Revision as of 16:47, 30 August 2023

Introduction

ISO2533:1975

The case in Toposhere (<10 km).

  • Lapse rate +6.5 °C/km
  • Base temp 19.0 °C
  • Base atmospheric pressure 108,900 Pa equals 1.075 atm
  • Base atmospheric density 1.2985 kg/m3

International Standard Atmosphere

https://en.wikipedia.org/wiki/International_Standard_Atmosphere

Earth's atmosphere's changes in

  • Pressure
  • Temperature
  • Density
  • Viscosity or

Hydrostatic balance The ideal gas law