The field replacing and repairing technologies of various stages fan blades for an turbofan engine were studied.
研究了在外场更换和修理某型涡扇发动机各级风扇叶片的技术。
This experience will be very helpful in the design of test for high by-pass ratio turbofan engine and propeller-fan engine.
这些经验对于我们今后设计大函道比涡扇发动机和螺浆风扇发动机试车台时，将是十分有用的。
As the bypass ratio of turbofan engine is more and more high, fan noise is a more important part to the overall turbofan engine noise.
随着飞机广泛使用的涡轮风扇发动机涵道比的不断提高，风扇噪声在飞机总噪声中占有越来越突出的地位。
The F-35B is powered by a single Pratt &Whitney F135 engine driving a Rolls-Royce lift fan.
这架F - 35B战斗机是由普惠公司F135型单一发动机引擎驱动劳斯莱斯升力风扇。
One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.
提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼，有点回归于螺旋桨的味道，但要使用两圈粗短的反旋桨叶。
The all-new powerplant features a geared architecture allowing the front fan to spin three times slower than the core, thus optimising the speed of each section of the engine.
全新的动力装置以齿轮传动结构为特点，此结构允许前端风扇转速比中心部分慢3倍，优化了发动机各部分的速度。
In 2009 GE, working with NASA, America’s space agency, picked up work it had largely set aside in the 1980s on a radically different sort of engine called an unducted fan.
2009年，通用电气和NASA（美国航空航天总署）合作，重新开始19世纪80年代搁置的一项工作，继续一种颠覆传统的无涵道风扇发动机实验。
GE says it has shaved 136kg, or 3%, off the weight of an engine that propels the Boeing 787 using a ceramic-composites fan case and blade, a world first.
通用电气表示，他们成功地将发动机重量减轻了3%，约136千克，此举促使波音787世界首次使用合成陶瓷风扇机箱和涡轮叶片。
He turned on the fan after he'd started up the engine, to give it some heat-but then it was a mammal, he figured, with fur, and it could warm itself.
汽车发动着后，他打开暖风，给箱子里的动物增加点热量——不过，他想这是哺乳动物，有皮毛，而且它自己能够取暖。
On the basic of former engine, the angle variable partial program of the fan and compressor guide vane of engine mathematical model is been renewed.
在原发动机模型的基础上，补充编制了发动机数学模型的风扇和压气机导叶角度可调的部分程序；
The fan running is intelligently controlled to ensure the engines in cold areas would not be too cold, reduce engine wear, decrease the maintenance fees and extend the service life.
智能控制风扇运转，保证在寒冷地区发动机不会过冷，可减少发动机磨损，降低保养费用并延长使用寿命。
The detriments of engine overheat are explained and the structures of fan and radiator are improved.
阐述了发动机过热的危害性，并对散热器及风扇等进行了结构改进。
From the result, we know the fan noise is mostly a width frequency noise, then obtain the effect of the fan noise on the engine noise in the different frequency range.
试验结果表明，风扇噪声主要是宽频带噪声，并得出了在不同频率范围风扇噪声对发动机噪声的影响。
The cooling system's fan motor ensures sufficient engine cooling at slower vehicle speeds.
该冷却系统的风扇电机保证了在车速较低时对汽车发动机进行充分冷却。
The engine hydraulic stepless speed regulation cooling fan changed the traditional drive type of the engine cooling fan.
发动机液压无级调速冷却风扇，改变了发动机冷却风扇的传统驱动方式。
The generator is usually mounted on the side of the engine Block. It is driven by the engine fan belt.
发电机通常装在发动机机体的一侧，由发动机风扇皮带来驱动。
The rotation speed of the fan under assumed temperature reduced thrust takeoff is calculated based on the analogical condition of engine.
假设温度减推力起飞的风扇转速由发动机相似条件计算。
The driven force of fan and pump in the traditional way of the cooling system in cereal combining harvesters comes from crankshaft of the engine by decided transmission ratio.
谷物联合收获机传统的冷却方式是由发动机曲轴以定传动比形式驱动冷却风扇和水泵运转的，这种冷却方式经常出现低速大负荷时冷却不足、高速小负荷时冷却过度等问题。
Like the thermostat, the cooling fan has to be controlled so that it allows the engine to maintain a constant temperature.
与温度自动调节装置一样，必需控制好冷却风扇以保证发动机在一个恒定的温度下运转。
Silicone oil fan clutch is a new kind of transmission device using viscous shear force of silicone oil to transfer torque, which is widely used in engine cooling systems.
硅油风扇离合器是利用硅油的粘性剪切力来传递力矩的新型传动装置，它在不同的发动机冷却系中有着广泛的应用。
The results indicate that the output torque of MR fluid clutch can meet the requirements of engine cooling fan.
结果表明，设计的风扇离合器输出转矩能够满足发动机冷却风扇的驱动要求。
When a jet engine is running, a fan at the front draws in air, which is then compressed and burned with fuel to produce hot, rapidly expanding gases which roar out of the back.
喷气发动机运转时，前端的风扇吸入空气； 空气经过压缩后与燃油一道被点燃；高温的燃气迅速膨胀，咆哮着冲出尾喷管。
It not only reduces the engine's fuel consumption, but also reduces the fan noise and the engine emissions when the engine starts.
硅油风扇离合器不仅可以降低发动机的燃油消耗，还能降低风扇的启动噪声和减少发动机的排放。
The design principles of engine cooling fans are meeting the cooling demands of a engine, improving the efficiency of fans and reducing the fan noise.
发动机风扇的设计原则是在满足发动机冷却能力的前提下，提高风扇效率，降低风扇噪声。
The fan transmission-mechanism is independent developed to solve the problem of engine cooling, a similar foreign vehicle has not-solved the problem of pool cooling capability.
该越野车的风扇传动机构是为解决发动机冷却性自主开发的，解决了国外类似车型没有解决的冷却能力不足问题。
Also, the power consumption of a fan accounts for 5% to 8% of that of an engine. The noise of a fan is also one of the major sources of noise inside and outside a vehicle.
风扇消耗的功率占到发动机输出功率的5% 8%，风扇噪声也是车内外噪声的重要来源之一。
Also, the power consumption of a fan accounts for 5% to 8% of that of an engine. The noise of a fan is also one of the major sources of noise inside and outside a vehicle.
风扇消耗的功率占到发动机输出功率的5% 8%，风扇噪声也是车内外噪声的重要来源之一。
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