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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク vapor quality ： ウィキペディア英語版 vapor quality In thermodynamics, vapour quality is the mass fraction in a saturated mixture that is vapour; i.e. saturated vapour has a "quality" of 100%, and saturated liquid has a "quality" of 0%. Vapour quality is an intensive property which can be used in conjunction with other independent intensive properties to specify the thermodynamic state of the working fluid of a thermodynamic system. It has no meaning for substances which are not saturated mixtures (i.e., compressed liquids or superheated fluids). Quality $\backslash chi$ can be calculated by dividing the mass of the vapour by the mass of the total mixture: :$\backslash chi\; =\; \backslash frac\}$ where $m$ indicates mass. Another definition used by chemical engineers defines quality (q) of a fluid as the fraction that is saturated liquid. By this definition, a saturated liquid has q = 0. A saturated vapour has q = 1.〔Perry's Chemical Engineers' Handbook (7th Edition), p 13-29〕 ==Calculation== The above expression for vapour quality can be expressed as: :$\backslash chi\; =\; \backslash frac$, where $y$ is equal to either specific enthalpy, specific entropy, specific volume or specific internal energy, $y\_f$ is the value of the specific property of saturated liquid state and $y\_-y\_$ is the value of the specific property of the substance in dome zone, which we can find both liquid $y\_$ and vapor $y\_$. Another expression of the same concept is: :$\backslash chi=\backslash frac$ where $m\_v$ is the vapour mass and $m\_l$ is the liquid mass. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「vapor quality」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.