For a new well, it is an important work to determine initial reservoir pressure, effective permeability, summary skin coefficient, supplementary pressure loss and flow efficiency.
对于一口新井，确定原始地层压力、有效渗透率、总表皮系数、附加压力损失和流动效率，是试井的重要任务。
Its shortcoming is mainly the resistance to flow coefficient is quite big, therefore creates the pressure loss, in the hydraulic unit, this pressure loss especially is specially obvious.
其缺点主要是流阻系数比较大，因此造成压力损失，特别是在液压装置中，这种压力损失尤为明显。
Functions of flow sensitivity coefficient, enthalpy sensitivity coefficient are deducted as per pressure loss calculation formula of two-phase flow.
根据汽液两相流动阻力的计算式，推导出了流量敏感系数、出口焓值敏感系数的表达式。
The aspiration air flowing direction is basically same with the direction of the valve seat. The flow coefficient of the air valve is high, and the flow loss is low.
吸气气流流动方向与阀座方向基本一致，气阀流量系数高，流动损失小；
When fully opened, the valve's channel is smooth and linear, with an extremely small flow resisting coefficient and no pressure loss, and the pipeline can be cleaned with hair-ball through it.
阀门在全开时，通道平滑为直线，流阻系数极小，无压力损失，可通毛球清扫管线。
Experiment measure static pressure, pressure loss coefficient, flow rate of lateral and heat transfer coefficient of endwall at different re and different lateral-flow ratio (c).
实验中对不同雷诺数、不同出流比时通道端壁表面的静压分布、压力损失系数、弦向流量分配以及换热系数进行了测量。
A simple and direct algorithm to update the coefficient of network loss with power flow method time interval by time interval is presented.
文中给出了用潮流法逐时段更新网损修正系数的简捷算法。
It is mainly pointed out that the power flow tracing method is especially suitable for pool model, while the marginal loss coefficient method is useful for bilateral and hybrid models.
首先，对不同网损分摊方法的基本原理、模型算法及其特点进行了阐述，着重指出了潮流跟踪法适用于联营体模式，而边际网损系数法适用于双边交易模式和混合模式。
It is mainly pointed out that the power flow tracing method is especially suitable for pool model, while the marginal loss coefficient method is useful for bilateral and hybrid models.
首先，对不同网损分摊方法的基本原理、模型算法及其特点进行了阐述，着重指出了潮流跟踪法适用于联营体模式，而边际网损系数法适用于双边交易模式和混合模式。
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