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引用本文:姚先威,史云怡.燃气管网水力工况模拟系统的研究与开发[J].软件工程,2023,26(5):49-53.【点击复制】
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燃气管网水力工况模拟系统的研究与开发
姚先威1,史云怡2
(1.哈尔滨天源石化工程设计有限责任公司武汉分公司,湖北 武汉 430000;
2.广东技术师范大学自动化学院,广东 广州 510665)
1119482568@qq.com; 1067075834@qq.com
摘 要: 随着燃气管网系统越来越复杂,管网水力运行状况的研究难度也随之增大。为了精确掌握管网中各类气源的供气范围及压力情况,开发一个基于有限元节点法的系统用来模拟管网运行时的水力工况情况。系统采用改进遗传算法辨识当量粗糙度参数后,将所得参数辨识真实值代入水力计算程序,进而得出气源供气范围及压力数据值,所得实验值结果较为精准,与真实值相差小;为管网的优化设计、运行调度和自动监控提供了理论依据,有助于提高管网运行的可靠性、稳定性和经济效益。
关键词: 燃气管网;水力计算;当量粗糙度;遗传算法
中图分类号: TP391.9    文献标识码: A
基金项目: 2021年度广东省普通高校重点研究领域专项(新一代信息技术)“基于知识图谱的地下管网空间信息共享与协同服务平台关键技术研究”(2021ZDZX1033).
Development of Hydraulic Regime Simulation System for Gas Pipeline Network
YAO Xianwei1, SHI Yunyi2
( 1.Wuhan Branch, Harbin Tianyuan Petrochemical Engineering Design Co., Ltd., Wuhan 430000, China;
2.School of Automation, Guangdong Polytechnic Normal University, Guangzhou 510665, China )
1119482568@qq.com; 1067075834@qq.com
Abstract: With the increasing complexity of gas pipeline system, it is more and more difficult to study the hydraulic operation of pipeline networks. In order to accurately understand the supply range and pressure situation of various gas sources in the pipeline network, this paper proposes to develop a system based on finite element node method to simulate the hydraulic regime of the pipeline network during operation. An improved genetic algorithm is used in the system to identify equivalent roughness parameters, the identified actual values of which are brought into the hydraulic calculation program, and the gas supply range and pressure data values are obtained. The experimental results obtained are relatively accurate and have a small difference from the actual values. The proposed system provides a theoretical basis for optimal design, operation scheduling and automatic monitoring of pipeline network, and helps to improve the reliability, stability and economic benefits of pipeline network operation.
Keywords: gas pipeline network; hydraulic calculation; equivalent roughness; genetic algorithm (GA)


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