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.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.Material Properties - Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.Air Psychrometrics - Moist and humid air - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content. °R in the units can be replaced by ☏, and vise versa. K in the units can be replaced by ☌, and vise versa. Specific Heat of dry air at constant temperature 20 oC / 68☏ at varying pressures:įor full table with Isochloric Heat Capacity - rotate the screen! Pressureīritish thermal unit(International table) =, degree celcius =, degree fahrenheit =, degree kelvin =, degree rankin =, joule =, kilocalorie(International table) =, kilogram =, kilojoule =, kilowatthour =, mole =, pound = Specific Heat of dry air at selected temperatures at various pressures: Specific Heat of dry air at constant temperature 20 oC / 68☏ at various pressures: 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, 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 Specific heat of Ammonia, Butane, Carbon dioxide, Carbon monoxide, Ethane, Ethanol, Ethylene, Hydrogen, Methane, Methanol, Nitrogen, Oxygen, Propane and Water. When calculating mass and volume flow of air in heated or cooled systems with high accuracy - the specific heat (= heat capacity) should be corrected according values in the figures and table below. This may influence on the accuracy of industrial air handling process calculations. The specific heat of dry air - C P and C V - will vary with pressure and temperature.
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