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Mechanoelectrical flexible hub-beam model of ionic-type solvent-free nanofluids

机译:离子型溶剂纳米流体的机械电气柔性毂束模型

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摘要

The liquid-like property of solvent-free nanofluids under room temperature can be harnessed to achieve various advanced functions with significant applications. However, the determination of the critical flow conditions of solvent-free nanofluid is yet an unsolved issue. In this paper, we establish a mechanoelectrical flexible hub-beam model of ionic-type solvent-free nanofluids on the basis of microscopic mechanisms. The microscopic mechanisms of the transverse vibration of corona branches, the rotation of silica nanopar-ticles and the effects of the external electric field are included in this model. A structure-preserving approach, which combines the multi-symplectic method with the symplectic precise integration, is proposed to simulate the dynamics of ionic-type solvent-free nanofluids. By using this novel model, the critical initial perturbation intensity that results in the flow of an ionic-type solvent-free nanofluid is obtained, and the existence of an upper limit for the flow velocity is demonstrated, which provides a guidance for the preparation and dynamic control of ionic-type solvent-free nanofluids.
机译:可以利用室温下的无溶剂纳米流体的液体样特性,以实现具有重要应用的各种先进功能。然而,测定无溶剂纳米流体的临界流动条件是未解决的问题。本文基于微观机制建立了一种基础型无溶剂纳米流体的机械电气柔性集线梁模型。在该模型中包括硅纳米柱的横向振动的显微振动,硅纳米柱的旋转以及外部电场的效果。提出了一种与辛精确集成的多辛方法相结合的结构保留方法,以模拟离子型无溶剂纳米流体的动态。通过使用这种新型模型,获得导致离子型无溶剂纳米流体的流动的关键初始扰动强度,并证明了流速上限的存在,为制剂和制备提供了指导离子型无溶剂纳米流体的动态控制。

著录项

  • 来源
    《Mechanical systems and signal processing》 |2021年第10期|107833.1-107833.11|共11页
  • 作者单位

    School of Civil Engineering and Architecture Xi'an University of Technology Xi'an Shaanxi 710048 PR China State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China Xi'an University of Technology Xi'an Shaanxi 710048 PR China;

    School of Civil Engineering and Architecture Xi'an University of Technology Xi'an Shaanxi 710048 PR China;

    School of Civil Engineering and Architecture Xi'an University of Technology Xi'an Shaanxi 710048 PR China;

    Department of Engineering Mechanics Tsinghua University Beijing 100084 PR China;

    School of Aeronautics and Astronautics Sichuan University Chengdu Sichuan 610065 PR China;

    School of Science Northwestern Polytechnical University Xi'an Shaanxi 710072 PR China;

    School of Science Northwestern Polytechnical University Xi'an Shaanxi 710072 PR China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Ionic-type solvent-free nanofluid; Microscopic flow mechanism; Structure-preserving approach; Flexible hub-beam model; Multi-symplectic method;

    机译:离子式无溶剂纳米流体;微观流动机制;保护方法;灵活的集线束模型;多辛方法;

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