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Vapour Quality Formula

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Vapour Quality is the mass fraction in a saturated mixture. Vapour quality is an intensive property which can be used in conjunction with other independent intensive properties. Check FAQs

χ = \frac{m g}{m g + m f}

χ - Vapour Quality?m_g - Vapour Mass?m_f - Fluid mass?

Vapour Quality Example

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Here is how the Vapour Quality equation looks like with Values.

Here is how the Vapour Quality equation looks like with Units.

Here is how the Vapour Quality equation looks like.

0.1429 = \frac{0.15}{0.15 + 0.9}

0.1429 = \frac{0.15kg}{0.15kg + 0.9kg}

0.1429 = \frac{0.15}{0.15 + 0.9}

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Vapour Quality Solution

Follow our step by step solution on how to calculate Vapour Quality?

FIRST Step Consider the formula

χ = \frac{m g}{m g + m f}

Next Step Substitute values of Variables

∴

χ = \frac{0.15kg}{0.15kg + 0.9kg}

Next Step Prepare to Evaluate

∴

χ = \frac{0.15}{0.15 + 0.9}

Next Step Evaluate

∴

χ = 0.142857142857143

LAST Step Rounding Answer

∴

χ = 0.1429

Vapour Quality Formula Elements

Variables

Vapour Quality

Vapour Quality is the mass fraction in a saturated mixture. Vapour quality is an intensive property which can be used in conjunction with other independent intensive properties.

Symbol: χ

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Vapour Quality

Vapour Mass

Vapour mass is both a property of air and a measure of its resistance to acceleration when a net force is applied.

Symbol: m_g

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Vapour Mass

Fluid mass

Fluid mass is both a property of the fluid and a measure of its resistance to acceleration when a net force is applied.

Symbol: m_f

Measurement: WeightUnit: kg

Note: Value should be greater than 0.

Formulas to find Fluid mass

Other formulas in Refrigeration Parameters category

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Go Degree of Saturation

S = \frac{Vw}{V void}

Go Real Refrigerator

RR = \frac{Q low}{W}

Go Relative Density

RD = \frac{ρ}{ρ water}

How to Evaluate Vapour Quality?

Vapour Quality evaluator uses Vapour Quality = Vapour Mass/(Vapour Mass+Fluid mass) to evaluate the Vapour Quality, Vapour Quality formula is defined as the ratio of the mass of vapor to the total mass of the vapor and liquid mixture. It indicates the proportion of vapor present in a refrigerant system, essential for understanding thermodynamic processes. Vapour Quality is denoted by χ symbol.

How to evaluate Vapour Quality using this online evaluator? To use this online evaluator for Vapour Quality, enter Vapour Mass (m_g) & Fluid mass (m_f) and hit the calculate button.

FAQs on Vapour Quality

What is the formula to find Vapour Quality?

The formula of Vapour Quality is expressed as Vapour Quality = Vapour Mass/(Vapour Mass+Fluid mass). Here is an example- 0.142857 = 0.15/(0.15+0.9).

How to calculate Vapour Quality?

With Vapour Mass (m_g) & Fluid mass (m_f) we can find Vapour Quality using the formula - Vapour Quality = Vapour Mass/(Vapour Mass+Fluid mass).

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