| 埋地管道外覆盖层绝缘电阻率计算及应用 |
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| 引用本文： | 王新华,马永超,何仁洋.埋地管道外覆盖层绝缘电阻率计算及应用[J].管道技术与设备,2009(6):43-45,48. |
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| 作者姓名： | 王新华 马永超 何仁洋 |
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| 作者单位： | 1. 北京工业大学机械工程与应用电子技术学院,北京,100124
2. 中国特种设备检测研究院压力管道部,北京,100013 |
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| 基金项目： | 国家"十一五"科技支撑计划资助项目 |
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| 摘 要： | 外覆盖层是埋地钢质管道免遭外界腐蚀的第一道防线,其保护效果直接影响着管道整体的运行效率,而管道外覆盖层电阻率是评价外覆盖层状况好坏的最主要因素.运用线传输理论,通过将管地系统简化为一个集中参数等效电路,建立了埋地钢质管道外覆盖层绝缘电阻率的计算模型,并给出了管地系统参数的具体确定方法,开发了外覆盖层绝缘电阻率的计算软件.利用PCM检测数据,基于建立的Rg计算方法,能够实现对Rg值的计算.实践表明:计算结果能够很好地反映实际情况,具有一定的工程应用价值.
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| 关 键 词： | 埋地管道 线传输 外覆盖层 绝缘电阻率 |
Calculation Method of Coating Insulation Resistivity and Its Application to Buried Steel Pipe |
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| WANG Xin-hua,MA Yong-chao,HE Ren-yang.Calculation Method of Coating Insulation Resistivity and Its Application to Buried Steel Pipe[J].Pipeline Technique and Equipment,2009(6):43-45,48. |
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| Authors: | WANG Xin-hua MA Yong-chao HE Ren-yang |
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| Institution: | WANG Xin-hua1,MA Yong-chao1,HE Ren-yang2(1.College of Mechanical Engineering and Applied Electronics Technology,Beijing University of Technology,Beijing 100124,China,2.Department of Pressure Pipeline,Institute of China Special Equipment Inspection and Research,Beijing 100013,China) |
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| Abstract: | The external coating is the first defense line of buried steel pipeline against corrosion,and its protective effect can directly influence the operational efficiency of a pipeline system.However,the coating insulation resistivity of pipeline is the important factor for evaluating the operating condition of pipeline coating.The calculation model of insulation resistivity for the coating of buried steel pipes is established by using the linear transportation theory to simplify the pipeline-soil system as an e... |
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| Keywords: | buried pipeline linear transport protective coating insulation resistivity |
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