Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

This is an AMP page - Open full page! for all features.

Moist Air - Properties

Sponsored Links
  • pressure of water vapor at saturation
  • humidity ratio at saturation
  • specific volume of dry air
  • specific volume of saturated mixture
  • specific enthalpy of dry air
  • specific enthalpy of saturated mixture
  • specific entropy of saturated mixture

For full table with Specific Volume and Specific Enthalpy - rotate the screen!

Moist Air - Properties
TemperatureSaturation Pressure
(Pa)

Humidity ratio at Saturation
(kgH2O/kgdry air)
Specific VolumeSpecific EnthalpySpecific Entropy
(J/K.kgdry air)
oCoFDry Air
(m3/kg)

 Saturated Mixture
(m3/kg)

Dry Air
(kJ/kgdry air)

Saturated Mixture
(kJ/kgdry air)

-40 -40 12.84 0.000079 0.660 0.660 -40.2 -40.0 -90.7
-30 -22 38 0.00023 0.688 0.688 -30.2 -29.6 -46.7
-25 -13 63.25 0.00039 0.702 0.703 -25.2 -24.2 -24.7
-20 -4 103.2 0.00064 0.716 0.717 -20.1 -18.5 -2.2
-15 5 165.2 0.0010 0.731 0.732 -15.1 -12.6 21.2
-10 14 259.2 0.0016 0.745 0.747 -10.1 -6.1 46.1
-5 23 401.5 0.0025 0.759 0.762 -5.0 1.2 76.4
0 32 610.8 0.0038 0.773 0.778 0 9.5 104.1
5 41 871.9 0.0054 0.788 0.794 5.0 18.6 137.4
10 50 1227 0.0077 0.802 0.812 10.1 29.5 175.4
15 59 1704 0.011 0.816 0.830 15.1 42.9 220.2
20 68 2337 0.015 0.830 0.850 20.1 58.2 273.3
25 77 3167 0.020 0.844 0.872 25.2 76.1 337.4
30 86 4243 0.027 0.859 0.896 30.2 99.2 415.6
35 95 5623 0.037 0.873 0.924 35.2 130.1 512.2
40 104 7378 0.049 0.887 0.957 40.2 166.4 532.3
45 113 9585 0.065 0.901 0.995 45.3 213.2 783.1
50 122 12339 0.087 0.915 1.042 50.3 275.9 975.3
55 131 14745 0.12 0.929 1.1 55.3 367.6 1221
60 140 19925 0.15 0.944 1.175 60.4 452.1 1544
65 149 25014 0.21 0.958 1.272 65.4 615.7 1974
70 158 31167 0.28 0.972 1.404 70.4 806.8 2565
75 167 38554 0.38 0.986 1.592 75.5 1078 3413
80 176 47365 0.55 1 1.879 80.5 1537 4711
85 185 57809 0.84 1.015 2.363 85.5 2317 6893
90 194 70112   1.03 3.340   3876 11281
Sponsored Links

Related Topics

Air Psychrometrics

Moist and humid air calculations. Psychrometric charts and Mollier diagrams. Air-condition systems temperatures, absolute and relative humidities and moisture content in air.

Related Documents

Air - Absolute Humidity

Absolute humidity is the actual mass of water vapor present in the air water vapor mixture.

Air - Humidity Measurement from Dry and Wet Bulb Temperature

Relative humidity in moist air can estimated by measuring the dry and wet bulb temperature.

Air - Maximum Moisture Carrying Capacity

Maximum water content in humid air vs. temperature.

Air - Moisture Holding Capacity vs. Temperature

The moisture holding capacity of air increases with temperature.

Air - Prandtl Number

Prandtl number for air vs. temperature and pressure.

Air - Specific Heat vs. Pressure at Constant Temperature

Figures and tables with isobaric (Cp) and isochoric (Cv) specific heat of air at constant temperature and pressure ranging 0.01 to 10000 bara.

Air - Thermal Conductivity vs. Temperature and Pressure

Online calculator with figures and tables showing air thermal conductivity vs. temperature and pressure. SI and imperial units.

Air - Thermal Diffusivity vs. Temperature and Pressure

Figures and tables withdry air thermal diffusivity vs. temperarure and pressure. SI and Imperial units.

Dry Air - Thermodynamic and Physical Properties

Thermodynamic properties of dry air - specific heat, ratio of specific heats, dynamic viscosity, thermal conductivity, Prandtl number, density and kinematic viscosity at temperatures ranging 175 - 1900 K.

Heat Recovery Efficiency

Classification of heat recovery efficiencies - temperature efficiency, moisture efficiency and enthalpy efficiency - online heat exchanger efficiency calculator.

Helium - Thermophysical Properties

Chemical, Physical and Thermal Properties of Helium - He.

Moist Air - Daltons Law of Partial Pressure

The pressure in a mixture of dry air and water vapor - humid or moist air - can be estimated by using Daltons Law of partial pressures.

Moist Air - Degree of Saturation

Humidity ratio of moist air to humidity ratio of saturated moist air.

Moist Air - Density vs. Pressure

Density of moist air vs. pressure ranging 75 - 1000 mmHg.

Moist Air - Enthalpy

Sensible and latent heat of moist air.

Moist Air - Psychrometric Table for Pressure 29.92 inHg

Dry and wet bulb temperatures, saturation pressure, water vapor weight, specific volume, heat and more.

Moist Air - Specific Volume

Specific volume of moist air is defined as the total volume of humid air per mass unit of dry air

Moist Air - Specific vs. Relative Humidity

Specific humidity of moist air vs. relative humidity, water vapor and air density.

Sponsored Links

Search Engineering ToolBox

  • the most efficient way to navigate the Engineering ToolBox!

SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!

Privacy

We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.

Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.

Google use cookies for serving our ads and handling visitor statistics. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.