Saturation Humidity based on Vapor Pressure Calculator

✖Vapour Pressure of Water at DBT is the pressure exerted by water vapor which are in thermodynamic equilibrium with its condensed phases (solid or liquid) in a closed system at a given temperature.ⓘ Vapour Pressure of Water at DBT [P_H2O]

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✖Saturation Humidity is defined as the absolute humidity of vapour-gas mixture at 100% saturation.ⓘ Saturation Humidity based on Vapor Pressure [H_s]

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Formula

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Saturation Humidity based on Vapor Pressure

Formula

`"H"_{"s"} = (0.6207)*("P"_{"H2O"}/(1-"P"_{"H2O"}))`

Example

`"5.126522"=(0.6207)*("0.892Pa"/(1-"0.892Pa"))`

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Download Basics of Humidification Process Formulas PDF

Saturation Humidity based on Vapor Pressure Solution

STEP 0: Pre-Calculation Summary

Formula Used

Saturation Humidity = (0.6207)*(Vapour Pressure of Water at DBT/(1-Vapour Pressure of Water at DBT))
H_s = (0.6207)*(P_H2O/(1-P_H2O))
This formula uses 2 Variables

Variables Used

Saturation Humidity - Saturation Humidity is defined as the absolute humidity of vapour-gas mixture at 100% saturation.
Vapour Pressure of Water at DBT - (Measured in Pascal) - Vapour Pressure of Water at DBT is the pressure exerted by water vapor which are in thermodynamic equilibrium with its condensed phases (solid or liquid) in a closed system at a given temperature.

STEP 1: Convert Input(s) to Base Unit

Vapour Pressure of Water at DBT: 0.892 Pascal --> 0.892 Pascal No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

H_s = (0.6207)*(P_H2O/(1-P_H2O)) --> (0.6207)*(0.892/(1-0.892))

Evaluating ... ...

H_s = 5.12652222222222

STEP 3: Convert Result to Output's Unit

5.12652222222222 --> No Conversion Required

FINAL ANSWER

5.12652222222222 ≈ 5.126522 <-- Saturation Humidity

(Calculation completed in 00.004 seconds)

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Created by Ayush gupta

University School of Chemical Technology-USCT (GGSIPU), New Delhi

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National University of Judicial Science (NUJS), Kolkata

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< 19 Basics of Humidification Process Calculators

Temperature based on Absolute Humidity and Humid Volume

Go Temperature of Air = ((273.15*(Humid Volume of Air/22.4))/((1/28.97)+(Absolute Humidity/18.02)))-273.15

Humid Volume based on Absolute Humidity and Temperature

Go Humid Volume of Air = ((1/28.97)+(Absolute Humidity/18.02))*22.4*((Temperature of Air+273.15)/273.15)

Absolute Humidity based on Humid Volume and Temperature

Go Absolute Humidity = 18.02*((Humid Volume of Air/22.4)*(273.15/(Temperature of Air+273.15))-(1/28.97))

Saturation Humidity based on Vapor Pressure

Go Saturation Humidity = (0.6207)*(Vapour Pressure of Water at DBT/(1-Vapour Pressure of Water at DBT))

Absolute Humidity based on Weight of Air

Go Absolute Humidity = (Weight of Water Vapour/Weight of Bone Dry Air)

Absolute Humidity based on Percentage and Saturation Humidity

Go Absolute Humidity = (Percentage Humidity/100)*Saturation Humidity

Saturation Humidity based on Percentage and Absolute Humidity

Go Saturation Humidity = Absolute Humidity*(100/Percentage Humidity)

Weight of Water Vapour based on Absolute Humidity

Go Weight of Water Vapour = Absolute Humidity*Weight of Bone Dry Air

Weight of Air based on Absolute Humidity

Go Weight of Bone Dry Air = Weight of Water Vapour/Absolute Humidity

Percentage Humidity

Go Percentage Humidity = (Absolute Humidity/Saturation Humidity)*100

Molal Humidity based on Moles of Air and Water

Go Molal Humidity = Moles of Water Vapour/Moles of Bone Dry Air

Moles of Water Vapour based on Molal Humidity

Go Moles of Water Vapour = Molal Humidity*Moles of Bone Dry Air

Moles of Air based on Molal Humidity

Go Moles of Bone Dry Air = Moles of Water Vapour/Molal Humidity

Mixing Ratio on Basis of Specific Humidity

Go Mixing Ratio = Specific Humidity/(1-Specific Humidity)

Specific Humidity on Basis of Mixing Ratio

Go Specific Humidity = Mixing Ratio/(1+Mixing Ratio)

Absolute Humidity based on Humid Heat

Go Absolute Humidity = (Humid Heat-1.006)/1.84

Absolute Humidity on Basis of Molal Humidity

Go Absolute Humidity = 0.6207*Molal Humidity

Molal Humidity based on Absolute Humidity

Go Molal Humidity = Absolute Humidity/0.6207

Humid Heat based on Absolute Humidity

Go Humid Heat = 1.005+1.88*Absolute Humidity

Saturation Humidity based on Vapor Pressure Formula

Saturation Humidity = (0.6207)*(Vapour Pressure of Water at DBT/(1-Vapour Pressure of Water at DBT))
H_s = (0.6207)*(P_H2O/(1-P_H2O))

What is Saturation Humidity?

Saturation humidity is the maximum amount of water vapor air can hold at a given temperature and pressure. From a chemical engineering standpoint, this concept is vital in various industrial processes. Maintaining precise humidity levels is critical in chemical reactions and manufacturing to ensure product quality, control, and integrity. Deviations from saturation conditions can lead to undesired reactions, product quality issues, and equipment corrosion. Thus, understanding and managing saturation humidity is essential for optimizing industrial operations and ensuring consistent results.

What is Humidification Process?

The humidification process involves adding moisture to indoor air to increase its relative humidity. It begins by measuring the current humidity level using a hygrometer. A desired humidity level is set, typically between 30% and 60%. Different humidification methods like evaporative, steam, or ultrasonic are chosen based on space requirements. The humidifier, often equipped with a humidistat, is then operated to release moisture. As the humidifier maintains the setpoint, it continuously monitors and controls humidity levels. Regular maintenance is essential to prevent issues and ensure safe and effective operation, especially in dry environments or during winter when indoor heating can dry out the air.

How to Calculate Saturation Humidity based on Vapor Pressure?

Saturation Humidity based on Vapor Pressure calculator uses Saturation Humidity = (0.6207)*(Vapour Pressure of Water at DBT/(1-Vapour Pressure of Water at DBT)) to calculate the Saturation Humidity, The Saturation Humidity based on Vapor Pressure formula is defined as the absolute humidity of Vapour-gas mixture at 100% saturation. The saturation humidity is the maximum quantity of water vapor that air can contain at a given temperature, without phase separation. Saturation Humidity is denoted by H_s symbol.

How to calculate Saturation Humidity based on Vapor Pressure using this online calculator? To use this online calculator for Saturation Humidity based on Vapor Pressure, enter Vapour Pressure of Water at DBT (P_H2O) and hit the calculate button. Here is how the Saturation Humidity based on Vapor Pressure calculation can be explained with given input values -> 1.8621 = (0.6207)*(0.892/(1-0.892)).

FAQ

What is Saturation Humidity based on Vapor Pressure?

The Saturation Humidity based on Vapor Pressure formula is defined as the absolute humidity of Vapour-gas mixture at 100% saturation. The saturation humidity is the maximum quantity of water vapor that air can contain at a given temperature, without phase separation and is represented as H_s = (0.6207)*(P_H2O/(1-P_H2O)) or Saturation Humidity = (0.6207)*(Vapour Pressure of Water at DBT/(1-Vapour Pressure of Water at DBT)). Vapour Pressure of Water at DBT is the pressure exerted by water vapor which are in thermodynamic equilibrium with its condensed phases (solid or liquid) in a closed system at a given temperature.

How to calculate Saturation Humidity based on Vapor Pressure?

The Saturation Humidity based on Vapor Pressure formula is defined as the absolute humidity of Vapour-gas mixture at 100% saturation. The saturation humidity is the maximum quantity of water vapor that air can contain at a given temperature, without phase separation is calculated using Saturation Humidity = (0.6207)*(Vapour Pressure of Water at DBT/(1-Vapour Pressure of Water at DBT)). To calculate Saturation Humidity based on Vapor Pressure, you need Vapour Pressure of Water at DBT (P_H2O). With our tool, you need to enter the respective value for Vapour Pressure of Water at DBT and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Saturation Humidity?

In this formula, Saturation Humidity uses Vapour Pressure of Water at DBT. We can use 1 other way(s) to calculate the same, which is/are as follows -

Saturation Humidity = Absolute Humidity*(100/Percentage Humidity)

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