微生物在毛细圆孔中运移的模拟研究

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微生物在毛细圆孔中运移的模拟研究

刚洪泽; 刘梅堂; 牟伯中

Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2006-12-28 发布日期:2006-12-28
通讯作者: 刚洪泽

Characterization of microbial transport in cylindrical pores

GANG Hongze; LIU Meitang; MU Bozhong

Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China

Received:1900-01-01 Revised:1900-01-01 Online:2006-12-28 Published:2006-12-28
Contact: GANG Hongze

摘要/Abstract

摘要： The mathematical model to characterize the transport of microorganisms in a finite-length cylindrical pore with the inside surface rich in microbial nutrients is developed, and the transport behavior of microorganisms in such a pore is discussed. Incorporated with key parameters such as microbial chemotaxis, diffusion, in-situ propagation and water flooding, this model is focused on the concentration profile of microorganisms in both radial and axial directions in the cylindrical pore during microbial transport under these parameters. Prediction by simulation based on the model shows that higher concentration of microorganism at and near the pore inside surface occurred during water flooding, and the radial concentration gradient in the cylindrical pore was consequently formed mainly due to microbial chemotaxis. Prediction also provides better understanding on the transport mechanism of microorganism in cylindrical pores, which is believed to be significant in the process of microbial enhanced oil re-covery.

关键词: microorganism;transport;cylindrical pore;chemotaxis

Abstract: The mathematical model to characterize the transport of microorganisms in a finite-length cylindrical pore with the inside surface rich in microbial nutrients is developed, and the transport behavior of microorganisms in such a pore is discussed. Incorporated with key parameters such as microbial chemotaxis, diffusion, in-situ propagation and water flooding, this model is focused on the concentration profile of microorganisms in both radial and axial directions in the cylindrical pore during microbial transport under these parameters. Prediction by simulation based on the model shows that higher concentration of microorganism at and near the pore inside surface occurred during water flooding, and the radial concentration gradient in the cylindrical pore was consequently formed mainly due to microbial chemotaxis. Prediction also provides better understanding on the transport mechanism of microorganism in cylindrical pores, which is believed to be significant in the process of microbial enhanced oil re-covery.

Key words: microorganism, transport, cylindrical pore, chemotaxis

刚洪泽, 刘梅堂, 牟伯中. 微生物在毛细圆孔中运移的模拟研究[J]. CIESC Journal.

GANG ,Hongze, ,LIU ,Meitang, MU ,Bozhong. Characterization of microbial transport in cylindrical pores[J]. .

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微生物在毛细圆孔中运移的模拟研究

Characterization of microbial transport in cylindrical pores

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