超稠油水在倾斜管路中两相流动的研究
Experimental study for high-viscosity-ratio oil-water two-phase flow in inclined pipes
查看参考文献18篇
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文摘
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通过实验研究了超稠油(在20oC下,密度为860 kg/m3,黏度为1680 mPa.s)、水两相在45o倾斜管中流动的流型和两相压降变化规律。倾斜实验段管线由内径50 mm的透明有机玻璃管组成,向上倾斜管段长为4.5 m。通过实验给出了不同入口条件下实验管段的流型图和两相压降图。结果表明:超稠油水两相在管道中流动流型与低黏度比下的流型具有一定的差异,特别在低入口水相流量下,管道内出现了壁面附着一层油膜而管内部为油水相互掺混流动的流型;油水两相压降随着入口含油率的增加而增加,但在较高入口含油率区域,两相压降出现了一个峰值和峰谷的演变过程。 |
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其他语种文摘
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This work presents experimental studies on flow pattern and pressure drop of high-viscosity-ratio oil-water two-phase flow (oil-to-water viscosity ratio of about 1680:1 at 20°C). The test pipelines, the diameter of which is 50 mm, are made of transparent Perspex pipes to enable the visual observation of the oil-water flow pattern and the length of inclined pipes is 4.5 m. The oil-water two-phase flow pattern and pressure drop graphs were obtained from experimental data. The results indicate that the flow pattern of high-viscosity-ratio oil-water flow in inclined pipes presents different flow characteristics comparing with the low-viscosity-ratio oil-water flow, especially when the inlet water flux is low, a new flow pattern described as oil film at the pipe wall and inner dispersion of oil in water was observed; the oil-water pressure drops increase with increasing the inlet oil fraction, and in those high inlet oil fraction area the pressure drops appears a peak-valley relationship. |
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来源
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水动力学研究与进展. A辑
,2012,27(6):742-748 【核心库】
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DOI
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10.3969/j.issn1000-4874.2012.06.015
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关键词
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油水两相流动
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倾斜管
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超稠油
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流型
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压降
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地址
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1.
中国科学院力学研究所, 北京, 100190
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中国海洋石油总公司深圳分公司, 深圳, 518067
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语种
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中文 |
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ISSN
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1000-4874 |
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学科
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力学 |
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基金
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国家863计划
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文献收藏号
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CSCD:4710013
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