Study on the Effect of Wall Slip for Sesbania Gum Flowing Through Capillary Tubes and Porous Media

Han Yajun and Jiang Tiqian(East China Institute of Chemical Technology; Shanghai)

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Study on the Effect of Wall Slip for Sesbania Gum Flowing Through Capillary Tubes and Porous Media

更新时间：2025-12-16

- Study on the Effect of Wall Slip for Sesbania Gum Flowing Through Capillary Tubes and Porous Media
- CIESC Journal Issue 1, (1990)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 February 1990，
  
  Published：25 February 1990
- 稿件说明：
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Han Yajun and Jiang Tiqian(East China Institute of Chemical Technology, Shanghai). Study on the Effect of Wall Slip for Sesbania Gum Flowing Through Capillary Tubes and Porous Media[J]. CIESC Journal, 1990, (1).
DOI：

Han Yajun and Jiang Tiqian(East China Institute of Chemical Technology, Shanghai). Study on the Effect of Wall Slip for Sesbania Gum Flowing Through Capillary Tubes and Porous Media[J]. CIESC Journal, 1990, (1). DOI：

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.

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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