![]() 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.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. ![]() 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.See also Conductive Heat Transfer CalculatorĪir thermal conductivity at atmospheric pressure and temperatures given in ☌: TemperatureĪir thermal conductivity at atmospheric pressure and temperatures given in ☏: Temperatureīritish thermal unit(international)/(foot hour degree fahrenheit) , british thermal unit(international)/(inch hour degree fahrenheit), british thermal unit(international)*inch/(square foot*hour*degree fahrenheit), kilocalorie/(meter hour degree celcius), joule/(centimeter second degree kelvin), watt/(meter degree kelvin) , 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, Prandtl Number, Specific heat at varying temperature and Specific heat at varying pressure, Thermal Diffusivity, Properties at gas-liquid equilibrium conditions and Air thermophysical properties at standard conditions and Composition and molecular weight,Īs well as thermal conductivity o f ammonia, butane, carbon dioxide, ethane, ethylene, hydrogen, methane, nitrogen, propane and water. Temperature Choose the actual unit of temperature: ☌ ☏ K °R Choose the actual pressure: 1 bara / 14.5 psia 20 bara / 290 psia 50 bara / 725 psia 100 bara / 1450 psia ![]() The output conductivity is given as mW/(m K), Btu(IT)/(h ft ☏) and kcal(IT)/(h m K). The calculator below can be used to calculate the air thermal conductivity at given temperatures and pressure. Online Air Thermal Conductivity Calculator Tabulated values and thermal conductivity units conversion are given below the figures. Thermal conductivity most common units are W/(m K) in the SI system and Btu/(h ft ☏) in the Imperial system. " the quantity of heat transmitted through a unit thickness of a material - in a direction normal to a surface of unit area - due to a unit temperature gradient under steady state conditions". Thermal conductivity is a material property that describes ability to conduct heat.
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