![]() ![]() 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. 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.Īir - Specific Heat vs. Altitudeĭensity and specific volume of air varies with elevation above sea level.Īir - Density, Specific Weight and Thermal Expansion Coefficient vs. Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.ĭry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.Īir - Density and Specific Volume vs. Altitude - SI Units Geo potential Altitude above Sea Level Standard Atmosphere Air Properties - Metric Units Altitude - Imperial Units Geo-potential Altitude above Sea Level Standard Atmosphere Air Properties - Imperial (BG) Units the Ionosphere - ranging above 71 km (above 232.000 ft) altitude.the Mesosphere - ranging 51 to 71 km (232.000 ft) altitude.the Stratosphere - ranging 11 to to 51 km (167.000 ft) altitude.the Troposphere - ranging 0 to 11 km (36.000 ft) altitude. ![]() Geopotential altitude is based on a scale that relates altitude to gravitational equipotentials, or surfaces of constant gravitational potential energy per unit mass. Geometrical altitude is the scale of elevation we would measure with a tape measure. It is defined as having a temperature of 288.15 K (15 oC, 59 oF) at the sea level 0 km geometrical height and 101325 Pa (1013.25 hPa, 1013.25 mbar, 760 mm Hg, 29.92 in Hg). Standard Atmosphere 1976" is an atmospheric model of how the pressure, temperature, density, and viscosity of the Earth's atmosphere changes with altitude. A "Standard Atmosphere" can be regarded as an average pressure, temperature and air density for various altitudes. ![]()
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