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Saturation vapor curve

In thermodynamics, the saturation vapor curve is the curve separating the two-phase state and the superheated vapor state in the T–s diagram (temperature–entropy diagram).

The saturated liquid curve is the curve separating the subcooled liquid state and the two-phase state in the T–s diagram.[1]

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 edit

References edit

  1. ^ A New Phase Diagram: The T-S Diagram at LearnThermo.com


saturation, vapor, curve, this, article, technical, most, readers, understand, please, help, improve, make, understandable, experts, without, removing, technical, details, december, 2023, learn, when, remove, this, message, thermodynamics, saturation, vapor, c. This article may be too technical for most readers to understand Please help improve it to make it understandable to non experts without removing the technical details December 2023 Learn how and when to remove this message In thermodynamics the saturation vapor curve is the curve separating the two phase state and the superheated vapor state in the T s diagram temperature entropy diagram The saturated liquid curve is the curve separating the subcooled liquid state and the two phase state in the T s diagram 1 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 editPhase diagram Working fluid Working fluid selectionReferences edit A New Phase Diagram The T S Diagram at LearnThermo com nbsp This thermodynamics related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Saturation vapor curve amp oldid 1191369804, wikipedia, wiki, book, books, library,

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