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埋地热油管道正向预热过程的计算

Wang Kun, Wang Dongsheng,Sun Chao

Oil & Gas Storage and Transportation(2010)

Cited 0|Views13
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Abstract
埋地热油管道投产启输的预热过程是一个不稳定传热过程,其启输过程的土壤温度场涉及管内介质沿管道横断面(径向和切向)与轴向的三维非稳态传热问题。对埋地热油管道投产启输正向预热过程的数学模型进行了简化处理,利用数值计算方法进行求解,绘制了某输油管道预热介质温度随输送距离的变化曲线。对正向预热过程土壤相对蓄热量进行了计算和分析,出站温度不同对蓄热量达到稳定的时间无影响,但会导致蓄热量的绝对值不同。
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Key words
preheating process,temperature field of soil,oil pipeline,numerical calculation,heating
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