基于PowerCAD的燃气管网水力平差计算模型研究  

Research on the Hydraulic Adjustment CalculationModel of Gas Pipeline Network Based on Power CAD

作　　者：毕天平[1] 阙子渊 周丹 BI Tianping;QUE Ziyuan;ZHOU Dan(School of Management,Shenyang Jianzhu University,Shenyang,China,110168;School of Management,Shenyang Urban Construction University,Shenyang,China,110167)

机构地区：[1]沈阳建筑大学管理学院,辽宁沈阳110168 [2]沈阳城市建设学院管理学院,辽宁沈阳110167

出　　处：《沈阳建筑大学学报（自然科学版）》2023年第6期1108-1114,共7页Journal of Shenyang Jianzhu University：Natural Science

基　　金：国家自然科学基金青年科学基金项目(42101260)。

摘　　要：目的 建立准确、适用的管网水力平差计算模型,快速确定管径和材质,科学解决燃气管道工程的金属耗量和管道投资。方法 以PowerCAD为平台,以用户的收费数据为基础,利用泰森多边形归算出管网计算所需的节点流量,基于不同的流态选取不同的摩擦阻力系数公式,并与节点法相结合构建管网水力平差计算模型,以沈阳市燃气管网的数据为样本,运用C++语言编程进行水力平差计算模型求解。结果 笔者提出的模型计算结果与《燃气输配》上的算例非常接近,方法精确可靠。结论 该模拟方法简化了数据输入,操作更直观,可以用于燃气管网工程运用中水力计算,并且能在PowerCAD上直接进行调整,并可实现计算与规划出图的一体化。An accurate and applicable hydraulic adjustment calculation model for the pipeline network is established to quickly determine the pipe diameter and material,and to scientifically solve the metal consumption and pipeline investment of gas pipeline engineering.Using Power CAD as the platform and user fee data as the basis data of node flow reduction a hydraulic adjustment calculation model for pipeline network is constructed by combining friction resistance coefficient with node flow,which the node flow of pipeline network is calculated using Thiessen polygon reduction,and the different friction resistance coefficient formulas are selected based on different flow patterns.The data of Shenyang gas pipeline network as a sample,this hydraulic adjustment calculation model is solved using C++programming language.The calculation results of this model are very close to the examples in"Gas Transmission and Distribution",so this model is accurate and reliable.This model simplifies data input and makes the operation more intuitive.It can be used for hydraulic calculation in gas pipeline network engineering,and can be directly adjusted on PowerCAD,on which the integration of calculation and planning,can achieve.

关 键 词：燃气管网 水力计算 泰森多边形 PowerCAD 

分 类 号：TU996[建筑科学—供热、供燃气、通风及空调工程]