| 埋地热输管道预热温度场分析与计算 |
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| 引用本文： | 王岳,石宇,翁蕾.埋地热输管道预热温度场分析与计算[J].天然气与石油,2006,24(4):18-19,35. |
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| 作者姓名： | 王岳 石宇 翁蕾 |
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| 作者单位： | 辽宁石油化工大学,辽宁,抚顺,113001 |
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| 摘 要： | 埋地热输管道预热启动过程是一个三维不稳定传热过程，通过分析埋地热输管道的几何特性，考虑了沿轴向预热介质温降对土壤温度变化的影响，建立了热输管道预热过程土壤温度场的数学模型和求解边界条件。在求解数学模型时，对某一断面处土壤部分的温度场应用有限差分法求解，并编制了相应的软件，为管道预热启动的温度场计算及由土壤蓄热量估算预热时间的研究提供了一定的参考。
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| 关 键 词： | 热输管道 预热 温度场 计算 |
| 文章编号： | 1006-5539（2006）04-0018-02 |
| 收稿时间： | 2005-07-14 |
| 修稿时间： | 2005-07-14 |
Analysis and Calculation for Soil Temperature Field of Buried Heated Oil Pipeline |
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| Wang Yue,Shi Yu,Weng Lei.Analysis and Calculation for Soil Temperature Field of Buried Heated Oil Pipeline[J].Natural Gas and Oil,2006,24(4):18-19,35. |
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| Authors: | Wang Yue Shi Yu Weng Lei |
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| Abstract: | The preheating process of soil temperature field in underground heated oil pipeline is an unsteady three-dimensional heat transfer process.Analyzed are geometry characteristics of underground heated oil pipeline and the affect of preheating media temperature drop to the soil temperature field,established are a mathematic model of soil temperature field of heated oil pipeline preheating process and the boundary conditions.Correspondent software is prespared.The method is beneficial to further research in this area. |
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| Keywords: | Heated pipeline Preheating Soil temperature field Numerical calculation |
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