What are the principal advantages of the duplex fuel nozzle used in many turbine engines?
- Allows a wider range of fuels and filters to be used.
- Restricts the amount of fuel flow to a level where more efficient and complete burning of the fuel is achieved.
- Provides better atomization and uniform flow pattern.
Explanation
The duplex nozzle has separate primary and secondary flows so it can spray finely at low fuel flows yet still deliver a wide, even cone at high flows. This gives good atomisation and a uniform spray pattern across the whole operating range. It does not restrict total flow or widen the range of fuels that may be used.
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