Theoretical predictions of viscosity ofmethane under confined conditions☆

Yingying Liu; Di Zhou; Wancheng Zhu

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Theoretical predictions of viscosity ofmethane under confined conditions☆

Chemical Engineering Thermodynamics | Updated：2026-01-06

- Theoretical predictions of viscosity ofmethane under confined conditions☆
- Theoretical predictions of viscosity ofmethane under confined conditions☆
- 中国化学工程学报（英文版） 2016年24卷第7期页码：904-908
- Affiliations：
  
  Department of Chemical Engineering, Qufu Normal University, Qufu,China,273165
- Author bio：
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  中图分类号：
- 纸质出版：2016
- Accepted：
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Yingying Liu, Di Zhou, Wancheng Zhu. Theoretical predictions of viscosity ofmethane under confined conditions☆[J]. 中国化学工程学报（英文版）, 2016,24(7):904-908.

Yingying Liu, Di Zhou, Wancheng Zhu. Theoretical predictions of viscosity ofmethane under confined conditions☆[J]. , 2016, 24(7): 904-908.
Yingying Liu, Di Zhou, Wancheng Zhu. Theoretical predictions of viscosity ofmethane under confined conditions☆[J]. 中国化学工程学报（英文版）, 2016,24(7):904-908. DOI：

Yingying Liu, Di Zhou, Wancheng Zhu. Theoretical predictions of viscosity ofmethane under confined conditions☆[J]. , 2016, 24(7): 904-908. DOI：

摘要

Abstract

Density functional theory has been confirmed as a reliable approach in the descriptions of inhomogeneous fluids. By integrating the density functional theory into the revised local average density model

a theoretical approach is constructed to investigate the local shear viscosity in the confined conditions. In the density functional theory

the weighted density approximation for attractive part and the modified fundamental measure theory for repulsion contribution are adopted to accurately describe the inhomogeneous systems. By comparingwith simulation data

the theoretical model is tested. In this work

the shear viscosities of methane are calculated in different external fields (on a hard wall

a solvophobicwall and in slit pores with different widths). In addition

the effects of temperature on the local density and viscosity are also considered. It shows that the effect of temperature on the shear viscosity ismore obvious on solid surfaces. The calculation provides an approach to determine the viscosity under confined conditions

which is extremely significant in real industrial applications.

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