Preconditioning method applied to near-critical carbon-dioxide flows in micro-channel

Satoru Yamamoto, Masayuki Toratani, Yasuhiro Sasao

研究成果: Article査読

8 被引用数 (Scopus)

抄録

A numerical method for simulating near-critical carbon-dioxide flows in a micro-channel is presented. This method is based on the preconditioning method applied to the compressible Navier-Stokes equations. The Peng-Robinson equation of state is introduced to evaluate the properties of near-critical fluids. As numerical examples, Near-critical carbon-dioxide flows in a square cavity and in a micro-channel are calculated and the calculated results are compared with the experimental data and the theoretical results. Finally, we demonstrate that the compressibility dominates the near-critical carbon-dioxide flows in a micro-channel even if the flow is very slow and the Reynolds number is very low.

本文言語English
ページ(範囲)532-539
ページ数8
ジャーナルJSME International Journal, Series B: Fluids and Thermal Engineering
48
3
DOI
出版ステータスPublished - 2006 2 15

ASJC Scopus subject areas

  • Mechanical Engineering
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes

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