同时，根据流体相似理论计算了转子通风沟内流体速度和表面散热系数，给出了该电机计算结果。
According to the theory of fluid mechanics, the equivalent network chart of air speed distribution of the rotor ventilation grooves and surface heat sinking coefficient are calculated.
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。
Physical Significance of adjustable speed characteristic for fan is stated and functional relation criterion between adjustable speed characteristic factor for fan is established.
根据对上海一办公楼建筑通风系统的实测，分析了能量利用系数用于评价自然通风系统运行效果的不合理性。
With the tested result of natural ventilation system in an office building in Shanghai, analyses the irrationality of using the energy utilization coefficient to evaluate natural ventilation.
由此可推出进、出口的流量系数不同，从而得到一种简单的估算自然通风量的计算方法。
From this, we can conclude that the discharge coefficients of the inlet opening and the outlet opening are different.
标准风阻值和标准摩擦阻力系数值作为矿井通风技术管理的基本资料对矿井通风管理具有重要意义。
The standard value of ventilation resistance and coefficient of frictional resistance is very significant to the ventilation management of the mine as the basic data.
该系数可用于火灾烟气流动预测计算，也可用于正压送风量及一般建筑通风换气计算。
It can be used for the prediction calculation of the fire smoke flow and the calculation of the positive air supply as well as for the ventilation.
本文介绍了实验方法、装置和结果，提出了关于风量以及常见的几种工作面通风方式对采空区沼气涌出量影响的修正方法和系数。
The design, apparatus and results of the experiment are shown. The modification of goaf gas emission under the conditions of several common face ventilation systems and airflow quantity is given.
提出了一种使设计通风机的滑移系数更接近实际的修正方法，最后，给出非线性方程组的解法及变型设计的计算框图。
A more effective revising method to calculate the slip factor of a centrifugal fan is also presented. The solution of the nonlinear equations and the program fr...
提出了一种使设计通风机的滑移系数更接近实际的修正方法，最后，给出非线性方程组的解法及变型设计的计算框图。
A more effective revising method to calculate the slip factor of a centrifugal fan is also presented. The solution of the nonlinear equations and the prog...
提出了一种使设计通风机的滑移系数更接近实际的修正方法，最后，给出非线性方程组的解法及变型设计的计算框图。
A more effective revising method to calculate the slip factor of a centrifugal fan is also presented. The solution of the nonlinear equations and the prog...
应用推荐