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风扇翼型
相关语句
  fan airfoil
    Experimental research on aerodynamics performance of fan airfoil
    风扇翼型气动性能的实验研究
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    It is shown that the new designed fan airfoil is about 20% larger than the old one in lift-to-drag -ratio at the work range of fan.
    结果表明:在风扇的工作范围内,新设计的风扇翼型的升阻比要比传统的风扇翼型增大20%左右;
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  “风扇翼型”译为未确定词的双语例句
    Design of a fan system depends on advanced method,and choice of a high lift drag ratio fan aerofoil,and determing operation point according to the needs of running,and choice of parameters for rotor and straightener such as boss ratio,solidity,lift coefficient and camber angle etc.
    风扇系统的设计首先在于有一个良好的设计方法,选择高升阻比的风扇翼型,根据需要恰当地确定设计工况点,合理选择桨叶和反扭导流片的各个参数,如桨毂比、实度、升力系数和圆弧角等。
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To improve the maximum velocity of the low speed wind tunnel,the basic idea is: design a high rotating speed and heavy power fan system.Design of a fan system depends on advanced method,and choice of a high lift drag ratio fan aerofoil,and determing operation point according to the needs of running,and choice of parameters for rotor and straightener such as boss ratio,solidity,lift coefficient and camber angle etc.In the process of design,executing analysis aiming to designed configuration of the fan can distinguish...

To improve the maximum velocity of the low speed wind tunnel,the basic idea is: design a high rotating speed and heavy power fan system.Design of a fan system depends on advanced method,and choice of a high lift drag ratio fan aerofoil,and determing operation point according to the needs of running,and choice of parameters for rotor and straightener such as boss ratio,solidity,lift coefficient and camber angle etc.In the process of design,executing analysis aiming to designed configuration of the fan can distinguish whether the design is successful or not,and examine if the design satisfy the requirements.

为提高低速风洞的最大风速,根本的措施是设计高转速大功率的风扇系统。风扇系统的设计首先在于有一个良好的设计方法,选择高升阻比的风扇翼型,根据需要恰当地确定设计工况点,合理选择桨叶和反扭导流片的各个参数,如桨毂比、实度、升力系数和圆弧角等。设计中针对已经设计的外形,进行性能计算,可以迅速鉴别设计的优劣,检查是否能满足设计要求,节约研制成本和缩短周期。

The comparative experimental investigation on the dynamics performance on two kinds of fan airfoil is performed in two-dimensional testing section of NF-3 wind tunnel at Northwestern Polytechnical University. The techniques of measuring the surface pressure and drag measurement with trail total pressure row tube are used. It is shown that the new designed fan airfoil is about 20% larger than the old one in lift-to-drag -ratio at the work range of fan.The dynamics noise of former is lower than that of the later...

The comparative experimental investigation on the dynamics performance on two kinds of fan airfoil is performed in two-dimensional testing section of NF-3 wind tunnel at Northwestern Polytechnical University. The techniques of measuring the surface pressure and drag measurement with trail total pressure row tube are used. It is shown that the new designed fan airfoil is about 20% larger than the old one in lift-to-drag -ratio at the work range of fan.The dynamics noise of former is lower than that of the later from analyzing of surface pressure distribution.

在西北工业大学NF-3风洞二元实验段内对两种风扇翼型的气动性能进行了对比实验研究,实验采用表面测压和尾排型阻测量技术。结果表明:在风扇的工作范围内,新设计的风扇翼型的升阻比要比传统的风扇翼型增大20%左右;通过两翼型翼面弦向压力分布特性的比较,可以推知,前者的气动噪声将会比后者小。

 
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