The hot gases pass through both the high and
low pressure turbines, driving both rotating
compressor assemblies and then exiting through
the exhaust nozzles with the bypassed air.
Turbine Section
The turbine section contains four (one high
p r e s s u r e , t h r e e l ow p r e s s u r e ) a x i a l f l ow
turbine wheels and four stator assemblies.
On leaving the turbine, the exhaust gases
enter a mixer compound-thrust-nozzle sys-
tem, where they mix with the bypass air
before discharging through a convergent-di-
vergent nozzle.
The high pressure turbine rotor assembly is
air cooled to allow an increased turbine
inlet temperature.
A lobed mixer nozzle fitted to the core en-
gine, mixes hot core exhaust gas with the by-
pass air before discharging the mixed flow
through the convergent-divergent nozzle.
Mixing the hot and cold flows results in
more efficient use of the thermal energy in
the hot core flow and also benefits smoke
and noise reduction.
Revision 1
7-5
FOR TRAINING PURPOSES ONLY
HAWKER 800 XP
PILOT TRAINING MANUAL
FlightSafety
international
Figure 7-3A. Engine Exhaust
Summary of Contents for 800 XP
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