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- resistance losses coefficient 阻力损失
- Air valve size and airflow resistance losses of valves always speed and the size of the spring-loaded edge. 气阀阻力损失大小与气流的阀隙速度及弹簧力大小有关。
- This deviation indicates aggravation of SRS effect due to wavelength dependence of fiber loss coefficient. 结果的背离,说明了由光纤损耗系数的波长依赖性加重了SRS效应。
- The HBV (in payment ) loss coefficient (1.04) was smaller than the coefficient of nonpayment vaccines. 自费的乙肝疫苗损耗系数(1.;04)明显小于供应的四种疫苗。
- Marginal loss coefficient method is a loss allocation method based on the principle of microeconomics and the assigned power flow solutions. 边际网损系数法是一种基于微观经济学原理和已知潮流解的网损分摊方法。
- The new muffler device has simple structure,it has lesser effect on the resistance loss of chief ventil... 该消声装置结构简单,对主要通风机的阻力损失影响小,防尘、防潮及降噪效果明显,可广泛的应用于煤矿主要通风机的消声降噪。
- For example, the Capacity of Jet Fanin tunnel,the flux distribution and resistance loss in the chimney. 重点研究了射流风机在隧道内的的调压性能,竖井三通的气流分布以及局部阻力损失。
- When the pipe diameter ratio varies a little,the local resistance loss of sudden contraction changes insignificantly. 存在一个最佳弯径比,使得水平弯管的局部阻力损失最小。
- We also show that the detection limit depends on the loss coefficient and signal-to-nosie ratio (SNR) of the overall system, rather than the circumference of the ring. 同时,器件的探测极限并不依赖于环半径,而是决定于谐振腔的损耗系数和系统探测信噪比。
- Presents the theoretical calculation formula and performs experiments of frictional resistance loss for PP-R hot water pipes. 给出了PP-R热水管沿程阻力损失的理论计算公式,并对其进行了实验研究。
- According to the analysis on pressure of three kinds of duct systems,concludes that the total pressure of a fan should be equal to the resistance loss of the duct system. 通过对三种风道系统的压力进行分析,认为应根据风机全压等于风管系统阻力损失来选择风机。
- It has also been shown that this deviation is more than just addition of linear loss coefficient especially when long haul fiber optic systems with inline amplifiers are considered. 同时也显示出,该结果的背离不仅仅是线性损耗系数的简单叠加,特别是在长久光纤系统中存在同轴信号放大器的情况下。
- From the air valve operating principles of view, air valve performance will directly affect the work of compressor tanks, air valve for the following requirements : resistance losses small. 从气阀工作原理来看,气阀工作性能将直接影响压缩机气缸的工作,因此,对气阀有如下要求:阻力损失小。
- The tradeoff for this effectiveness is a higher loss coefficient, as shown in Table 7-2.1, in which the loss coefficient is the unrecoverable portion of the upstream dynamic pressure of the flow. 这种高效所换来的是一个很高的损失系数,如表7-2.;1所示,在其中损失系数是水流中不可弥补的上升流动态压力。
- The predictions of resistance loss using CFX for two configurations of silencers are compared with experimental results, and the relative error is within 5%. 用CFX计算了两种结构水消声器的阻力损失,并与实验结果进行了对比分析,其误差控制在5%25以下。
- The profit and loss coefficient nomogram theory of flat plate is developed and validated.Different nomograms of profit and loss coefficient that are relevant to various parameters are plotted. 提出并论证了平板颤振临界风速益损系数的诺模图理论,绘制了与各参数相关的诺模图。
- In comparison with other centrifugal gas-liquid separators, the resistance loss of the axial flow guide vane type gas-liquid cyclone separators was less. 轴流导叶式气液旋流分离器与其他离心式气液分离器比较,其特点是阻力损失小。
- Abstract: Numerical simulation is carried out for three-dimensional flow in three types of undulated pipes with different geometrical condition, for analysis on resistance loss of flow in bend duct. 摘要:为分析弯曲管道内部流体流动的阻力损失,分别对不同几何条件下的3种波浪管内部流动进行了数值模拟。
- loss coefficient of network risk failure 网络风险损失系数
- dimensionless heat loss coefficient 量纲1散热系数