Dry Air and Water Vapor - Density and Specific Volume vs. 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. Dry Air - Thermodynamic and Physical Properties DehumidifiersĬlassification of dehumidifiers. Maximum cooling tower efficiency is limited by the cooling air wet-bulb temperature. Saturation pressure and maximum water content in compressed air. Online calculator with figures and tables showing density and specific weight of ammonia for temperatures ranging -50 to 425 ☌ (-50 to 800 ☏) at atmospheric and higher pressure - Imperial and SI Units. The drying force of air depends on the air moisture holding capacity and the water surface to air evaporation capacity. Thermal properties of air at different temperatures - density, viscosity, critical temperature and pressure, triple point, enthalpi and entropi, thermal conductivity and diffusivity and more. Temperature and Pressureįigures and tables withdry air thermal diffusivity vs. Online calculator with figures and tables showing air thermal conductivity vs. Online calculator with figures and tables showing specific heat (Cp and Cv) of dry air vs. Pressure at Constant Temperatureįigures and tables with isobaric (Cp) and isochoric (Cv) specific heat of air at constant temperature and pressure ranging 0.01 to 10000 bara. Psychrometric chart for air at barometric pressure 29.921 inches of Mercury and temperature ranging 20 oF to 120 oF. Air - Psychrometric Chart for Standard Atmospheric Conditions - Imperial Units Properties of air change along the boiling and condensation curves (temperature and pressure between triple point and critical point conditions). Air - Properties at Gas-Liquid Equilibrium Conditions Air - Molecular Weight and Compositionĭry air is a mixture of gases where the average molecular weight (or molar mass) can be calculated by adding the weight of each component. The moisture holding capacity of air increases with temperature. The mass of water vapor present in moist air - to the mass of dry air. Relative humidity in moist air can estimated by measuring the dry and wet bulb temperature. Air - Humidity Measurement from Dry and Wet Bulb Temperature Air - Humidifying with Steam - Imperial UnitsĮstimate the amount of steam required (lb/h in 100 cfm) in humid air. Air - Humidifying by Adding Steam or WaterĪir can be humidified by adding water or steam. Air - Heating, Cooling, Mixing, Humidifying or Dehumidifying Processesīasic air changing state processes - heating, cooling, mixing, humidifying and dehumidifying by adding steam or water - psychometric diagrams and the Mollier charts. Online calculator, figures and tables with dynamic (absolute) and kinematic viscosity for air at temperatures ranging -100 to 1600☌ (-150 to 2900☏) and at pressures ranging 1 to 10 000 bara (14.5 - 145000 psia) - SI and Imperial Units. Air - Diffusion Coefficients of Gases in Excess of Airĭiffusion coefficients (D 12) for gases in large excess of air at temperatures ranging 0 - 400 ☌. ![]() Online calculator, figures and tables showing density, specific weight and thermal expansion coefficients of air at temperatures ranging -100 to 1600 ☌ (-140 to 2900 ☏) at atmospheric and higher pressure - Imperial and SI Units. Air - Density, Specific Weight and Thermal Expansion Coefficient vs. Pressure and TemperaturesĪir density at pressure ranging 1 to 10 000 bara (14.5 - 145000 psi) and constant selected temperatures. Altitudeĭensity and specific volume of air varies with elevation above sea level. Air - Composition and Molecular Weightĭry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts. Absolute humidity is the actual mass of water vapor present in the air water vapor mixture.
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