Page 4 - Module 8 Look Inside
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Table of Content

   The atmosphere__________________________________________________________ 10
      Gas composition ________________________________________________________ 10
      Regions of the atmosphere ________________________________________________ 10
      Typical flight altitudes_____________________________________________________ 14
      Ozone ________________________________________________________________ 16

   Temperature_____________________________________________________________ 18
      Definition ______________________________________________________________ 18
      Units__________________________________________________________________ 18
      Celsius ________________________________________________________________ 18
      Kelvin _________________________________________________________________ 18
      Fahrenheit _____________________________________________________________ 18
      Rankine _______________________________________________________________ 20
      Conversions____________________________________________________________ 20
      Temperature variation in the troposphere _____________________________________ 22
      Lapse rates ____________________________________________________________ 22
      Temperature and aircraft performance _______________________________________ 22

   Pressure ________________________________________________________________ 24
      Definition ______________________________________________________________ 24
      Unit __________________________________________________________________ 28
      Measuring pressure ______________________________________________________ 28
      Variation of pressure in the atmosphere ______________________________________ 32
      Pressure altitude ________________________________________________________ 32
      Isobars ________________________________________________________________ 34
      Density altitude _________________________________________________________ 36
      Absolute pressure and gauge (relative) pressure _______________________________ 38
      Differential pressure______________________________________________________ 38
      Static and dynamic pressures ______________________________________________ 42

   Density _________________________________________________________________ 46
      Definition ______________________________________________________________ 46
      Units__________________________________________________________________ 46
      Variation of density in the atmosphere________________________________________ 48
      Variation of density with humidity____________________________________________ 49
      Air density and the human body ____________________________________________ 50

   Performance ceilings _____________________________________________________ 50
      Service ceiling __________________________________________________________ 50
      Absolute ceiling _________________________________________________________ 50

   The gas laws ____________________________________________________________ 52
      Avogadro’s law _________________________________________________________ 52
      Boyle’s law_____________________________________________________________ 52
      Charles’ law ____________________________________________________________ 52
      Gay-Lussac’s law________________________________________________________ 54
      Combined gas law _______________________________________________________ 56
      Dalton’s law ____________________________________________________________ 56
      Adiabatic process________________________________________________________ 56
      Ideal gas law ___________________________________________________________ 58

Total Training Support Ltd                        1-7             Issue 2 – April 2016
© Copyright 2016            Module 8.1 Physics of the Atmosphere
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