bypass duct


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bypass duct

A cold stream duct. The air from the fan that flows outside the combustion chamber and helps cool it as well as the exhaust duct. Also called an exhaust duct on a turbofan engine. See bypass engine.
References in periodicals archive ?
The most promising configuration involves the use of deflector vanes installed near the bypass duct that cause the bypass plume to tilt relative to the core plume.
Tilting the bypass stream is possible by means of fixed or variable vanes installed near the exit of the bypass duct.
Next, disconnect the round bypass duct (if equipped) coming into the old unit.
Install the summer/winter damper (provided with the new unit) and insert the bypass duct.
Where the core, high-velocity air stream meets the lower-velocity air coming out of the fan bypass duct, a layer of turbulence is created called the shear layer.
The PW305 sets new standards for business aircraft propulsion, including a unique fan that maximizes airflow into both the engine core and the bypass duct, ensuring optimum performance and efficiency.
The bypass type with a drain, which we show in our how-to photos, relies on a bypass duct (shown in orange) that circulates warm air through a wet grid inside the humidifier Fig.
That way you can make the bypass duct as short as possible, yet still get around obstacles.
The bypass duct consists of two elbows (the size depends upon your unit), two sections of straight pipe, a transition boot, and a damper (Photo 6 and Fig.
Cost is minor, involving a few motorized dampers and bypass ducts.