Scale effect in heat and fluid flow and nano- and micro-machines

Shigenao Maruyama

Research output: Contribution to journalReview articlepeer-review

Abstract

Micro- and nano-scale systems are explained and are categorized in terms of heat and fluid flow phenomena. Some typical applications of nano- and micro-machines are presented. Heat and fluid flow phenomena of nano-micro spatio-temporal systems are described as follows. Micro-systems: The size of the micro-machine element ranges from 1 μm to 1 mm. The fluid motion and heat transfer can be treated as a continuum, and is described by Navier-Stokes equations and Fourier's law. Nano-systems: The fluid cannot be treated as a continuum. Discontinuity and wave characteristics of fluid and energy have to be considered.

Original languageEnglish
Pages (from-to)109-121
Number of pages13
JournalJournal of Thermal Science and Technology
Volume4
Issue number1
DOIs
Publication statusPublished - 2009

Keywords

  • Heat and fluid flow
  • MEMS
  • Micro-scale
  • NEMS
  • Nano-system
  • Scale effect

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Instrumentation
  • Engineering (miscellaneous)

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