The most popular design methods of the axial fan are the Single Aerofoil Method and the Cascade Method.
其工程上的设计方法比较单一,普遍采用的方法是孤立叶型法和叶栅法。
On the basis of an elementary cascade method a calculation model for the off-design performance of an axial-flow compressor has been set up.
基于基元叶栅法,建立了轴流式压气机的变工况计算模型,并采用变比热公式计算空气的热力参数;
The measuring modules of the system adopt a cascade method, control the power control switch of the next measuring module and then output the measuring data after the measurement.
本发明的测量模块采用级联方式,依次控制下一测量模块的电源控制开关,在完成测量后输出测量数据。
This paper presents a multi-loop cascade control method.
本文介绍一种多回路串级控制方法。
Finally, one pair of cascade reservoir scheduling problem selected as an example, the practical solution is introduced by random optimal control theory and method.
最后,选取一对梯级水库的调度问题,以随机最优控制理论和方法进行了实际求解。
Based on the analyzing of coupling property, the design steps of cascade compensation decoupling method are proposed. The structure to realize fuzzy decoupling is given.
本文在分析耦合特性的基础上,绐出了串联补偿解耦方法的设计步骤和实现模糊解耦的控制系统结构。
For the existing adjustment approaches fail in dynamic numerical simulation for hydraulics in the centrifuge long cascade, a novel adjustment method was proposed.
针对已有的调节方法无法进行离心长级联水力学动态模拟的问题,提出了一种新的调节方法。
Based on the principle of dynamic programming, a mathematical model of sequencing programming of cascade hydropower stations is established and its computation method is presented.
本文根据动态规划原理,建立了梯级电站开发程序优化的数学模型,提出了相应的计算方法。
Combined with the system state equation and the measurement equation, a new method of the cascade Kalman filter is proposed and applied to the correction of gravity anomaly distortion.
结合实际重力仪的系统状态方程和系统量测方程,提出了级联卡尔曼滤波方法,并将其应用于重力异常畸变信号的校正处理中。
In this paper, the principle of Sampling Time Staggered Space Vector Modulation (STS-SVM) as well as its realizing method in cascade multilevel converters is presented.
该文提出并分析了错时采样空间矢量调制(STS - SVM)技术的工作原理及其在级联型多电平变流器上的实现方法。
In this paper, a digital cascade system setting parameters computer algorithm based on the enlarge frequency method is given.
给出了一个以扩充频率法为基础的数字串级系统参数整定的计算机算法。
The unsteady flow past stationary and oscillating cascade for off-design performance respectively are simulated numerically with the Discrete Vortex Method.
采用离散涡方法数值仿真了不同来流攻角下,固定与动边界叶栅绕流。在设计工况时流动接近定常流动。
The mutiple-solution phenomenon of steady transonic flow about two-dimensional plane cascade using the Time-Marching method for the Euler equations is examined.
本文用时间推进法求解欧拉方程组计算二维平面叶栅绕流问题数值实验是否有多重解现象。
Results reveal that the new method is effective for complex phenomenal simulation such as cascade flows.
通过实例分析,证明这种方法对叶栅绕流等复杂流动现象的模拟是有效的。
This method is successfully applied on criticizing the holographic infinite interference diagram of the supersonic cascade flow field.
并将该方法成功地应用于超音速叶栅流场全息干涉图的判读。
Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.
晶闸管串级调速系统是一种廉价、简易的调速系统,但是传统串调系统存在着诸如功率因数低、谐波污染严重等弊端。
An inviscid-viscous interaction method based on the inviscid time marching computer code has been employed to calculate the transonic flow field of two dimensional cascade.
二维跨音速叶栅流场的计算是在无粘时间相关法计算程序的基础上采用无粘-边界层迭代而得。
This paper deals with the inverse design problem of transonic turbine cascade in the hodograph plane by the finite area method.
本文给出了基于有限面积法的跨音速透平叶栅速度面反问题设计方法。
For the case of reciprocal and nonreciprocal networks in cascade, a method determining the reciprocal property of the resultant network is also presented.
本文还叙述了非互易网络和互易网络极联时总网络互易性的判定方法。
This paper describes the operating principle, design method and experimental results of 1023 bits SAW matched filter using cascade technology.
介绍了采用级联技术制作的1023位声表面波匹配滤波器的工作原理、设计方法和实验结果。
The eigenvalue method is presented for determining the effects of blade mistuning and blade-disk on cascade flutter boundaries in incompressible flow.
本文用特征值法研完了叶片频率失调及盘片耦合对叶栅颤振边界的影响。
This method can be used to make the calculation easier and more accurate and give a mucll detailed description of the spatial structure of the cascade system.
使设计计算结果更精确。该方法简单易行,可对叶栅系统的空间结构进行更加详细的描述。
We analyze rejecting periodic interference in PD monitoring on line through cascade IIR digital wave notch filter. The principle and simple design method are proposed and discussed.
在分析用IIR陷波滤波器来抑制局部放电在线监测中周期性干扰的基础上,提出和论述了级联式II R陷波滤波器基本原理及简明设计方法。
A new method of cascade speed regulating of asynchronous motors using full digital DC driver was introduced in this paper.
介绍了一种利用全数字直流驱动器实现异步机串级调速的方法。
This paper describes a method for measuring particle size of inhaled aerosol with a phantom of human head wearing dust-proof mask anda cascade impactor.
本文介绍了应用级联撞击器和佩戴口罩的人头模型在天然铀燃料元件加工现场测定吸入气溶胶粒度的方法。
A new method has been used, which is based upon the use of a cascade design proportional matrix defined, i. e. the cascade proportional regulator.
基于采用一个被定义的串接设计比例阵,即串接比例调节器,得出一种新的极点配置法。
Based on the different energy system integration and method of synthetic cascade utilization of energy, a novel solar methanol reforming hydrogen production-power cogeneration system is proposed.
基于不同用能系统整合和能的综合梯级利用思路,研究提出一种新颖的太阳能甲醇重整制氢-发电联产系统。
In the process of producing ammonia, we use cascade control method to make the catalyst hotspots temperature stable, so as to increase the quality of production.
在氨肥厂生产氨的过程中,引用串级控制方式来对合成塔触媒层的热点温度进行稳定控制,以提高生产质量。
In the process of producing ammonia, we use cascade control method to make the catalyst hotspots temperature stable, so as to increase the quality of production.
在氨肥厂生产氨的过程中,引用串级控制方式来对合成塔触媒层的热点温度进行稳定控制,以提高生产质量。
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