Preconditioning Method Applied to Near-Critical Carbon-Dioxide Flows in Micro-Channel(<Special Issue>Advanced Fusion of Functional Fluids Engineering)
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概要
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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.
- 一般社団法人日本機械学会の論文
- 2005-08-15
著者
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Sasao Yasuhiro
Department Of Computer And Mathematical Sciences Tohoku University
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Yamamoto Satoru
Department Of Aeronautics And Space Engineering Tohokui University
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Toratani Masayuki
Department Of Aerospace Engineering Tohoku University
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