A pipe hydraulic resistance coefficient model for natural gas pipeline network is established based on positive and negative analytic approach.
采用正反分析法建立了天然气管网管段阻抗系数优化反演的数学模型。
The key question of hydraulic analysis in supply water pipe network is hydraulic computation of supply water pipe network.
给水管网水力分析的核心问题是给水管网水力计算。
Hydraulic analysis of supply water pipe network is supply water pipe network design, transform and management various kinds of use theoretical foundation of problem to solve.
而给水管网水力分析是解决给水管网设计、改造和管理等各种应用问题的理论基础。
This method is applied to hydraulic distribution calculation of loop pipe network, and the results are finer.
把该算法用于环状管网水力平衡计算，计算结果精度较高。
The hydraulic results of spare structure with single connecting pipe and double connecting pipes of calculating pipe network under limited-heating supply state are analyzed.
结合算例管网，分析了单连通管和双连通管管网结构在限额供热工况下的水力工况；
Getting the fluid attributes synchronously in hydraulic calculation process of the pipe network, which ensured that the numeric result of the model could compute accurate.
在管网水力计算过程中同步求解流体属性参数，解决了管网计算过程中由于流动参数变化造成的计算不准确问题。
Balance valves are generally installed in pipe network in order to resolve the hydraulic imbalance.
在处理管网系统水力失调问题时，通常加装平衡阀。
In the first part, the paper analyzes the phenomenon of the hydraulic disorder in the pipe network of heating.
首先对供热管网水力失调现象进行了分析。
In the first part, the paper analyzes the phenomenon of the hydraulic disorder in the pipe network of heating.
首先对供热管网水力失调现象进行了分析。
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