基于牛顿迭代法的复杂机坪管网水力计算  

Hydraulic calculation for complicated apron pipeline network based on Newton iteration method

作　　者：汪德友 崔艳雨[1] 李旭光 陈媛媛 WANG Deyou;CUI Yanyu;LI Xuguang;CHEN Yuanyuan(Airport College,Civil Aviation University of China;Beijing Aviation Oil Construction Limited Company)

机构地区：[1]中国民航大学机场学院 [2]北京中航油工程建设有限公司

出　　处：《油气储运》2020年第12期1394-1400,共7页Oil & Gas Storage and Transportation

基　　金：中国民航局民航安全能力建设基金项目“多分支复杂环状机坪管网安全评价体系构建”,20600729。

摘　　要：机坪管网具有结构复杂、作业切换频繁、流动情况波动剧烈等特点,对机坪管网的水力仿真研究难度较大。为了更好地将机坪管网结构的特殊性与管网水力计算理论结合,将管网简化后细分为3个部分进行编程计算,其中核心的环状管段采用基于压力的牛顿迭代法计算。为验证模型准确性,选取特定工况,将计算结果与PipePhase模拟结果进行对比并校核,发现计算结果在合理的误差范围内。详细阐述了管内流体流动方向自适应性、加油单信息与途泄流量建立合理联系,以及加油栓压力分布情况等问题的解决方法。结果表明:结合机坪管网特殊性的基于压力的牛顿迭代法具有较好的迭代收敛性与准确性,适用于机坪供油管网的水力计算。Due to such characteristics as complicated structure,frequent operation switching and fierce flow fluctuation of the apron pipeline network,it is difficult to conduct hydraulic simulation research.In order to better integrate the structural particularity of apron pipeline network with the hydraulic calculation theory of pipeline network,programming calculation was conducted with the pipeline network simplified and divided into 3 parts,and for the circular section at the core,pressure based Newton iteration method was adopted for calculation.In order to verify the accuracy of the model,the specific working conditions were selected,the calculation results were compared with the PipePhase simulation results and checked,and the comparison results were within the reasonable error range.The solutions were elaborated in detail for the problems of adapting the fluid flow direction in the pipe,establishing a reasonable relationship between the information of fueling order and the bleed-off discharge,and the pressure distribution of the fuel hydrant.The results show that the pressure-based Newton iteration method with consideration to the particularity of apron pipeline network has good iterative convergence and accuracy,and is suitable for the hydraulic calculation of apron oil pipeline network.

关 键 词：机坪管网 牛顿迭代 水力计算 PipePhase 加油栓 

分 类 号：TE832[石油与天然气工程—油气储运工程]