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Molecular Dynamics Simulation of Force-driven Poiseuille Gas Flow 원문보기

  • 저자

    라비찬드란란지

  • 학위수여기관

    경상대학교 대학원

  • 학위구분

    국내석사

  • 학과

    항공공학과

  • 지도교수

  • 발행년도

    2014

  • 총페이지

    v, 37 p.

  • 키워드

    Molecular dynamics (MD) Force-driven Poiseuille gas flow Flow peculiarities;

  • 언어

    eng

  • 원문 URL

    http://www.riss.kr/link?id=T13534203&outLink=K  

  • 초록

    Force-driven Poiseuille gas flow in the micro-channels is simulated by Molecular Dynamics (MD) simulations and the flow properties are investigated. The flow is simulated by considering Argon atoms as fluid confined to flow between the Platinum wall atoms. A constant force is applied to each fluid atom to mimic the flow down the channel. Force-driven Poiseuille gas flow finds its applications at the cooling system of microelectromechanical and nanoelectromechanical systems (MEMS and NEMS) devices. Force-driven Poiseuille gas flow have some flow peculiarities such as local temperature minimum, non-uniform pressure distribution, non-uniform stress distribution and non-negligible tangential heat flux. Some of the peculiarities of the force-driven Poiseuille gas flow is studied in this work. Previously, these flow peculiarities have been identified by analytical solutions based on a non-linear coupled constitutive relations (NCCR) theory. The results obtained by MD are compared with the results of NCCR and DSMC. The results show that there is a qualitative agreement of MD results with that of NCCR and DSMC.


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