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What is Dryness Fraction?
By BYJU'S Exam Prep
Updated on: September 25th, 2023
Dryness fraction is defined as the ratio of the mass of dry vapor (steam) to the combined mass of dry vapor (steam ) and the mass of liquid in the mixture.
Dryness Fraction Formula: X = Dryness (% / 100) νf = Specific Volume of Saturated Water.
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Summary:
What is Dryness Fraction?
The mass fraction of the vapor in the two-phase liquid-vapor regime is called the dryness fraction (or vapor quality). It is represented by x and the formula is: Quality values range from 0 to 1. Although defined as a ratio, quality is often expressed as a percentage.
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