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Old 1st Jan 2011, 20:43
  #55 (permalink)  
Join Date: Jan 2008
Location: On the lake
Age: 78
Posts: 662
Err, the air is considerably slowed-down in the compressor i.e. it's a convergent duct. The air is then accellerated in the diffuser (a divergent duct) and directed into the combustion chamber.
TCF: if the aircraft/engine is static, the outside air must be accelerated as it is being sucked into the intake by the fan and the compressor, after which the convergent duct does its thing to slow it down.

Last edited by twochai; 1st Jan 2011 at 21:24. Reason: clarity
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