bypass engine


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bypass engine

n
(Aeronautics) a gas turbine in which a part of the compressor delivery bypasses the combustion zone, flowing directly into or around the main exhaust gas flow to provide additional thrust. Compare turbofan
References in periodicals archive ?
Thus was invented the propfan, an "ultra-high" bypass engine that is a throwback in two ways.
Similar to changing gears in a car or on a bicycle, changing an aircraft engine's bypass ratio allows the engine to be optimized for high thrust takeoffs, while maintaining the efficiency of a commercial airline's high bypass engine in cruise conditions.
However, its impact on aviation is becoming more widely known because of an increase in exposure to these conditions caused by increases in worldwide commercial aviation traffic, flying at higher altitudes with more efficient bypass engines.
Sukhoi said its SU-34 Fullback bomber, which is replacing SU-24s now in service, is a twin-seat day/night all-weather platform with large capacity internal fuel tanks and fuel-efficient bypass engines.