埋地输油管道泄漏污染物热力迁移实验技术研究进展

Process of Experiment Techniques Research on Pollutant of Thermodynamic and Transport Properties in Leakage Process of Buried Oil Pipeline

总结了污染物热力迁移实验中主要参数的测量方法。在温度测量方面重点对热电阻、热电偶以及红外热像仪测量温度的原理及应用进展加以总结,论述了各方法的优缺点及应用现状;在含水率测量方面主要介绍了传统的称重法与发展快速的介电常数法。还总结了石油类污染物在多孔介质热力迁移具有代表性的实验研究,指出了现有实验研究中存在的问题及发展趋势。

This paper summarizes the experimental measurements of pollutants in the main thermodynamic parameters for transport. Summarized the principle focus of thermistors, thermocouples, infrared camera to measure the temperature of the progress and application of temperature measurement. Discussed the advantages and disadvantages of each method and application status. In terms of moisture content measurements introduces the traditional gravimetric method and the rapid development of the dielectric constant method. This paper also summarized the experimental study of petroleum pollutants typical thermal migration in porous media, and pointed out the existing problems in experimental research and development trends.