A142 マイクロヒートパイプ内での相変化を伴うCO_2流れの分子動力学シミュレーション(マイクロ・ナノスケール4)

概要

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Recently, natural refrigerants have gotten attention because they have less influence on the global warming and ozone depletion. Especially CO_2 has a lot of advantages. When CO_2 is used as refrigerant, it transit from liquid to supercritical state. A lot of studies on supercritical CO_2 have being done, but large scale simulations are not a lot. It is important to analyze the mechanisms of transit from liquid to supercritical state in more depth. The purpose of this study is to analyze heat transfer process in the micro heat pipe whose working fluid is CO_2 which transits from liquid to supercritical state by Molecular Dynamics simulation. To express CO_2, 2CLJQ (2-center Lennard-Jones plus point quadrupole) and potential parameter suggested by Moller and Fischer is used in this study.
社団法人日本機械学会の論文
2006-11-23