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The saturation vapor curve is the curve separating the two-phase state and the superheated vapor state in the T-s diagram. The ''saturated liquid curve'' is the curve separating the subcooled liquid state and the two-phase state in the T-s diagram.〔http://www.learnthermo.com/T1-tutorial/ch07/lesson-B/pg08.php〕 When used in a power cycle, the fluid expansion depends strongly on the nature of this saturation curve: * A "wet" fluid shows a negative saturation vapor curve. If overheating before the expansion is limited, a two-phase state is obtained at the end of the expansion. * An "isentropic" fluid shows a vertical saturation vapor curve. It remains very close to the saturated vapor state after an hypothetical isentropic expansion. * A "dry" fluid shows a positive saturation vapor curve. It is in dry vapor state at the end of the expansion, and strongly overheated. == See also == *Phase diagram 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「Saturation vapor curve」の詳細全文を読む スポンサード リンク
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