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Hydrodynamic and thermal flow in nanochannel to study effects of roughness by estimation the atoms positions via MD method

Huawei Wu (Hubei Key Laboratory of Power System Design and Test for Electrical Vehicle, Hubei University of Arts and Science, Xiangyang, China and School of Automotive and Traffic Engineering, Hubei University of Arts and Science, Xiangyang, China)
Peyman Torkian (Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
Amir Zarei (Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
Iman Moradi (Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
Arash Karimipour (Department of Mechanical Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran)
Masoud Afrand (Laboratory of Magnetism and Magnetic Materials, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam and Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 13 December 2019

Issue publication date: 15 January 2020

115

Abstract

Purpose

This paper aims to investigate atoms type and channel roughness effects on fluid behavior in nanochannel.

Design/methodology/approach

The results of mechanical properties of these structures are reported in this work by using molecular dynamics method.

Findings

The results show that nanochannel roughness is a limiting factor in flowing fluid in nanochannel. Moreover, fluids with less atomic weight have more free movement in ideal and non-ideal nanochannels.

Originality/value

For the study of mechanical properties of fluid/nanochannel system, the authors calculated parameters such as potential energy, density, temperature and velocity profiles of simulated fluids.

Keywords

Acknowledgements

This research is partially supported by the Technical Innovation Project of Hubei Province (no. 2017AAA133), Hubei Superior and Distinctive Discipline Group of “Mechatronics and Automobiles” (no, XKQ2018002).

Citation

Wu, H., Torkian, P., Zarei, A., Moradi, I., Karimipour, A. and Afrand, M. (2020), "Hydrodynamic and thermal flow in nanochannel to study effects of roughness by estimation the atoms positions via MD method", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 30 No. 1, pp. 452-467. https://doi.org/10.1108/HFF-09-2019-0711

Publisher

:

Emerald Publishing Limited

Copyright © 2019, Emerald Publishing Limited

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