The mathematical model and boundary conditions of soil temperature field in finite region is established through analysis of geometry model of underground heated pipeline.
通过分析埋地热油管道的几何特性建立了有限区域内非稳态热油管道土壤数学模型和边界条件。并使用PHOENICS软件对该数学模型进行了求解。
Mr Pearmain points out that Ugandan oil is waxy, and so likely to solidify in a pipeline unless heated.
皮尔曼指出，乌干达的石油呈蜡状。除非石油管道不停地被加热，石油很可能会变成固体。
Then the pipeline moves the heated workpiece to a complex of rolling that consists of several stages.
然后输送管道把这些加热过的管坯传到包括几个阶段的复杂的生产线上。
Derives an equation set to reveal the influence of water flow variation on temperature of the heated room and permitted fluctuation of the hydraulic imbalance degree of pipeline.
推导出了水流量变化对供暖房间温度的影响以及管路水力失调度允许波动的取值范围，指出循环水量减小时对室温的影响较水量增加时为大。
According to the model, a corresponding software has been programmed which provides a decision-making basic for optimizing transmission of long distance heated crude oil pipeline.
根据所建模型编制了相应软件，为加热原油的长距离优化输送提供了决策依据。
It need to be heated that transport crude oil in the long pipeline.
长输管道输送原油需要加热。
As a supplement to the elastic hinged mode to bending the loaded structural strength of the horizontal buried heated oil pipeline is further analysed in this paper.
作为对弹性抗弯铰模型的补充，本文进一步分析了埋地热输管道大曲率半径水平弯头受载结构强度。
The whole heat transfer coefficient is an important factor in the calculation of heat transfer for underground heated oil pipeline.
总传热系数在地下热油管的传热计算中是一个重要的参数。
The whole heat transfer coefficient is an important factor in the calculation of heat transfer for underground heated oil pipeline.
总传热系数在地下热油管的传热计算中是一个重要的参数。
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