![]() Involving velocity, pressure, density and temperature as functions of space and time. Fluid Mechanics The study of fluids - liquids and gases.Basics The SI-system, unit converters, physical constants, drawing scales and more.Air Psychrometrics Moist and humid air - psychrometric charts, Mollier diagrams, air-condition temperatures and absolute and relative humidity and moisture content.N = number of moles of gas present Compressibility factor - Z - for Airįor full table - rotate the screen! Compressibility factor for Air - Z. The True Gas Law, or the Non-Ideal Gas Law, becomes: This correction factor is dependent on pressure and temperature for each gas considered. It is called the Gas Compressibility Factor, or Z-factor. To account for deviation from the ideal situation an other factor is included. The Ideal Gas Law is accurate only at relatively low pressures and high temperatures. The weight of the air is the product of specific weight and the air volume. The air density can be calculated with a transformation of the ideal gas law (5) to: See also Non-ideal gas - Van der Waal's equation and constants, used to correct for non-ideal behavior of gases caused by intermolecular forces and the volume occupied by the gas particles and how to calculate total pressure and partial pressures from Ideal gas lawĪ tank with volume of 1 ft 3 is filled with air compressed to a gauge pressure of 50 psi. The Individual Gas Constant - R - depends on the particular gas and is related to the molecular weight of the gas. ![]() The Ideal Gas Law can be expressed with the Individual Gas Constant. The Ideal Gas Law - or Perfect Gas Law - relates pressure, temperature, and volume of an ideal or perfect gas. The Ideal Gas Law and the Individual Gas Constant - R
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