![]() ![]() Temperature Figures and table showing changes in Prandtl number for methane with changes in temperature and pressure. Compressed Air - Pressure Drop Diagrams, Metric Units Pressure loss in compressed air pipe lines.Temperature and Pressure Figures and table with changes in Prandtl number for ammonia with changes in temperature and pressure. Air Properties - SI Units Ideal gas properties of air at low pressure - SI units.Air Conditioning - Cooling of Air and Condensate Generated Water may condensate when air is cooled in air conditioning systems.Air - Thermophysical Properties 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 Pressure Figures and tables withdry air thermal diffusivity vs. Temperature and Pressure Online calculator with figures and tables showing air thermal conductivity vs. ![]() Temperature Speed of sound in air at standard atmospheric pressure with temperatures ranging -40 to 1000 oC (-40 to 1500 oF) - Imperial and SI Units. Temperature at Constant Pressure Online calculator with figures and tables showing specific heat (Cp and Cv) of dry air 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 - Properties at Gas-Liquid Equilibrium Conditions Properties of air change along the boiling and condensation curves (temperature and pressure between triple point and critical point conditions).Air - Molecular Weight and Composition Dry air is a mixture of gases where the average molecular weight (or molar mass) can be calculated by adding the weight of each component.Temperature The moisture holding capacity of air increases with temperature. Air - Humidity Ratio The mass of water vapor present in moist air - to the mass of dry air.Air - Dynamic and Kinematic Viscosity 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 Air Diffusion coefficients (D 12) for gases in large excess of air at temperatures ranging 0 - 400 ☌.Temperature and Pressure 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 Temperatures Air density at pressure ranging 1 to 10 000 bara (14.5 - 145000 psi) and constant selected temperatures. Air - Composition and Molecular Weight Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.Material Properties Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.Gases and Compressed Air Air, LNG, LPG and other common gas properties, pipeline capacities, sizing of relief valves.Involving velocity, pressure, density and temperature as functions of space and time. Fluid Mechanics The study of fluids - liquids and gases.Air Psychrometrics Moist and humid air - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content. ![]() See also other properties of Air at varying temperature and pressure: Density and specific weight at varying temperature, Density at varying pressure, Diffusion Coefficients for Gases in Air, Specific heat at varying temperature and Specific heat at varying pressure, Thermal Conductivity, Thermal Diffusivity, Properties at gas-liquid equilibrium conditions and Air thermophysical properties at standard conditions and Composition and molecular weight,Īs well as Prandtl number of Ammonia, Carbon dioxide, Methane, Nitrogen, Propane and Water.Īir Prandtl number at 1 bara pressure, temperature given as ☌ or ☏:Īir Prandtl number at varying temperatures and constant pressures, SI and Imperial units:Īir Prandtl number at 1 bara pressure, temperature given as ☌ or ☏: Air - Prandtl Number at 1 bara Pressure TemperatureĪir Prandtl number at given temperatures and 1, 5 10 and 20 bara pressure: Air - Prandtl Number Temperature K = thermal conductivity, īelow, Prandtl numbers for air at varying temperatures and pressures are given in figures and tables. Μ = absolute or dynamic viscosity, Ĭ p = specific heat, The Prandtl number can for calculations be expressed as The Prandtl Number - Pr - is a dimensionless number approximating the ratio of momentum diffusivity (kinematic viscosity) to thermal diffusivity - and is often used in heat transfer and free and forced convection calculations.
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