![]() units, viscosity of air by Harlan Bengtson. This entry was posted in Fluid Properties and tagged air flow, air viscosity, air viscosity calculator, air viscosity temperature calculator, excel spreadsheet, Reynolds number, S.I. Bengtson, Harlan H, “ Air Viscosity Calculator Pressure Temperature Spreadsheet,” An online informational blog article. Formulas for Viscosity A widely used formula for the calculation of viscosity of gases is the Sutherland Equation given by ( 1. units are available for very reasonable prices in our spreadsheet store.ġ. ![]() This Excel spreadsheet and others for fluid properties calculations, in either U.S. The Air Viscosity Temperature calculator excel spreadsheet shown in the image below can be used to calculate the viscosity of air at given temperature and pressure as discussed above. Example Air Viscosity Temperature Calculator Excel Spreadsheet The complete equations are included in the spreadsheet discussed above and shown in the screenshot below. ![]() Since the air density is needed for this calculation, the spreadsheet also calculates the density of air at the specified air temperature and pressure. units: T r = T/238.5 with T in degrees R and ρ r = ρ/0.6096 with ρ in slugs/ft 3. Both tubes have two dark rings a meter apart. Two long tubes are filled with fluids of different viscosities, one with water and the other with glycerin. s/m2), also frequently expressed in the equivalent forms pascal-second (Pa. The spreadsheet shown in the diagram below calculates air density using an equation for air viscosity as a function of temperature ratio, T r, and density ratio, ρ r, where in U.S. Finding viscosity of a liquid by measuring velocity of small balls sinking in the tall tubes, and applying Stoke’s equation. The SI unit of dynamic viscosity is the newton-second per square meter (N. Equations for an Air Viscosity Temperature Calculator SpreadsheetĮquations are available for an air viscosity temperature calculator to calculate the viscosity of air at specified temperature and pressure. For example, see the related article, Fanno Flow Excel Spreadsheet for Air Flow in a Pipe. This could include calculations for air flow in a pipe, drag force or drag coefficient calculations for flow of an object through air, and any other calculation requiring the Reynolds number for air flow or flow through air. Īir Viscosity Temperature Calculator Spreadsheet ApplicationsĪn Air Viscosity Temperature calculator excel spreadsheet can be used for any situation where a value of air viscosity is needed at a specified pressure and temperature. Read on for information about Excel spreadsheets that can be used as an Air viscosity temperature calculator for specified pressure and temperature. Why use online calculators or tables to find the viscosity of air at a specified pressure and temperature when you can buy a convenient air viscosity temperature calculator excel spreadsheet for only $4.95? This spreadsheet will calculate the viscosity of air at specified pressure and temperature in either U.S. To obtain an Air Viscosity Temperature Calculator excel spreadsheet, click here to visit our spreadsheet store. Where to Find an Air Viscosity Temperature Calculator Spreadsheet
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