| 田菁冻胶在毛细管及多孔介质中滑移效应研究 |
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| 引用本文： | 韩雅君,江体乾.田菁冻胶在毛细管及多孔介质中滑移效应研究[J].化工学报,1990,41(1):29-36. |
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| 作者姓名： | 韩雅君 江体乾 |
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| 作者单位： | 华东化工学院,华东化工学院 上海现在同济大学应化系
,上海 |
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| 基金项目： | 华东化工学院新学科基金 |
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| 摘 要： | 本文用实验方法研究了田菁冻胶压裂液在毛细管和多孔介质中的流动特性,求得相应的滑移效应,提出本构方程及C·H.B.模型,并得以验证.
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| 关 键 词： | 田菁 冻胶 毛细管 多孔介质 滑移 |
Study on the Effect of Wall Slip for Sesbania Gum Flowing Through Capillary Tubes and Porous Media |
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| Han Yajun and Jiang Tiqian.Study on the Effect of Wall Slip for Sesbania Gum Flowing Through Capillary Tubes and Porous Media[J].Journal of Chemical Industry and Engineering(China),1990,41(1):29-36. |
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| Authors: | Han Yajun and Jiang Tiqian |
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| Affiliation: | Han Yajun and Jiang Tiqian
(East China Institute of Chemical Technology,Shanghai) |
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| Abstract: | The flow behavior of Sesbania gum fracturing fluid through capillary tubes and porous media was studied experimentally. The gum exhibited yield values and power law behavior described by Herschel-Bulkley model both in capillary tubes and porous media. The flow was accompanied by significant positive slip effects in capillary tubes, whereas negative slip effects in porous media, under moderate shear rates.
In the absence of apparent slip effects, the capillary-Herschel-Bulkley(C. H. B. ) model developed in this paper predicted the superficial velocities in the porous media with an average error of less than 10%. This provides a direct verification of the applicability of the C. H. B. model to the flow behavior of Sesbania gum in a limited range without considering "anomalous" wall effects. |
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