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COUNTER ROTATING FAN DESIGN AND VARIABLE BLADE ROW SPACING OPTIMIZATION FOR LOW ENVIRONMENTAL IMPACT
COUNTER ROTATING FAN DESIGN AND VARIABLE BLADE ROW SPACING OPTIMIZATION FOR LOW ENVIRONMENTAL IMPACT
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机译:低环境影响的反向旋转风扇设计和可变叶片行距优化
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摘要
An air vehicle propulsion system incorporates an engine core with a power shaft to drive an outer blade row. The power shaft is extends through and is supported by a counter rotation transmission unit which drives an inner blade row in counter rotational motion to the outer blade row. The counter rotation transmission unit exchanges power from the engine core with the shaft. An actuator engages the shaft for translation from a first retracted position to a second extended position.
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