The method of using cubic spline function as fan characteristic curve fitting is introduced.
介绍了用三次样条函数作通风机性能曲线拟合的方法。
The mathematical model based on orthogonal function as fan characteristic curve fitting is introduced and its precision and utility is validated through the calculating example.
介绍了采用正交函数法快速拟合通风机性能曲线的数学模型，通过算例验证了此数学模型的精确性和实用性。
The method of using cubic spline function as fan characteristic curve fitting is introduced. The calculating example is provided and description is made for the specific problem.
介绍了用三次样条函数作通风机性能曲线拟合的方法。列出了计算实例，并对具体问题做了说明。
This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
Vibrational characteristic of axial fan impeller is analyzed by composition unit method.
采用组合单元法分析了轴流通风机叶轮的振动特性。
The cause of fan abnormal vibration is diagnosed by analyzing the spectrum characteristic of fan trouble for cooling tower. The normal running of fan is guaranteed.
通过分析冷却塔风机故障的频谱特征，诊断了风机运行异常振动原因并加以解决，确保了风机的正常运行。
Represents a new kind of generalized extended interpolation method to realize the high precision fitting of characteristic curve of fan.
提出采用一种新的广义延拓逼近法，来实现煤矿通风机高精度特性曲线的拟合。
The technical measures are given out by which the hump zone of characteristic curve of the local fan can be eliminated using a current divider and the operaiting stability of the fan can be improved.
简要论述局部扇风机（轴流式通风机）产生不稳定工况的原因和变化规律，提出以分流器消除风机特性曲线驼峰区段、使其工作运行稳定的技术措施。
In light of the operating condition, design principle, stress condition and the characteristic of air flow, the cause of fracture and mechanism of primary fan was studied and analyzed in this paper.
从风机叶片的运行工况、设计结构和受力状况以及气流流动的特点等方面，研究和分析了叶片产生断裂的原因和机理。
Physical Significance of adjustable speed characteristic for fan is stated and functional relation criterion between adjustable speed characteristic factor for fan is established.
阐明通风机调速特性的物理意义，建立系列风机调速特性系数与连续机号间的函数关系准则。
Fan Yanqiao has obvious characteristic of Chinese traditional scholar, but at the same time, he is a traditional scholar closely connected with modern temporal society.
范烟桥具有明显的中国传统文人的特征，但是，范烟桥又是与现代世俗社会密切相关的传统文人。
The stall surging characteristic and its prevention measure are analysed with focus on low-pressure axial fan, high-pressure axial fan and mutiple-stage axial compressor.
针对低、高压轴流送风机及多级轴流压缩机在低流量区域的失速喘振特性及其预防措施进行了分析。
This characteristic of Fan Yanqiao can be seen not only in his life but also in his work. Besides, the characteristic is reflected in his perspectives toward novels and his works.
范烟桥的这一特征，不仅贯穿于他的生活、工作之中，而且渗透于他的小说观念以及小说作品之中。
Vibrating characteristic is analyzed on the axial fan impeller with the software ANSYS.
用ANSYS软件对轴流通风机叶轮的振动特性进行了分析。
It is an advanced method that use ANSYS to analyze the vibrating characteristic of axial fan impeller. It can be also used in fan CAD.
说明了用ANSYS软件在对轴流通风机叶轮的振动特性分析上是一种先进方法，也可以用于通风机的计算机辅助设计。
The general characteristic maps of fan and Compressor is necessary for turbofan engine little deviation modeling which based on component characteristics.
基于各部件特性进行涡扇发动机小偏差模型研究时，需用到风扇和压气机的通用特性图。
Forward modelling result indicates that seismic characteristic explained in time-section has velocity structure of fan delta-turbidite.
正演模拟结果表明在时间剖面上解释的地震特征具有扇三角洲浊积岩的速度结构。
The present invention relates to a kitchen ventilation system to which a fan having a positive pressure-to-output characteristic is applied.
本发明涉及一种厨房通风系统，其应用了具有正压力至输出特征的风扇。
According to the law of similarity of fan, the characteristic of long-distance tunneling ventilation was analyzed, and the energy consumption of variable frequency fan was described.
根据风杌的相似定律，阐述了特长隧道掘进通风的特性，详细分析了风机变频工作的能耗。
The only thing that denotes the elevator to be a Schindler is the characteristic annular ceiling ventilation fan grille design.
唯一得以标明电梯是一部迅达的就是那个属于特征的环形吸顶式抽气风扇格栅设计。
The fan in characteristic of channel and sheet flow sedimentary processes, but lack of debris flow.
冲积扇扇中发育河道冲刷充填和漫流沉积，而泥石流不发育。
The cab is equipped with adjustable seat, side sliding window, wiper, electric fan and ROPS device. It has the characteristic of low noise, wide viewing area.
噪音低、野宽阔、调式的司机座椅、滑窗玻璃、雨器，并配备电风扇，滚翻保护架。
Abstract: The effect of different volute openness on aerodynamic characteristic of a centrifugal fan is investigated.
摘要 ：研究不同蜗壳开度对离心风机气动性能的影响。
The cab is equipped with adjustable seat, side sliding window, wiper, electric fan. It has the characteristic of low noise, wide viewing area.
噪音低、视野宽阔、可调式的司机座椅、侧滑窗玻璃、刮雨器，并配备电风扇。
The cab is equipped with adjustable seat, side sliding window, wiper, electric fan. It has the characteristic of low noise, wide viewing area.
噪音低、视野宽阔、可调式的司机座椅、侧滑窗玻璃、刮雨器，并配备电风扇。
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