![]() ![]() Mole Fraction of Water Vapor in the Wet Air: 0. The Mole Fraction of water vapor in the mixture is an output variable in our PsychrometricĬomputer Program which calculates air and water vapor mixture properties.Įxample #1 - Calculation of Wet Air Viscosity Program Input DataĢ. The bottom line is to come up with ways to measure viscosity so that you can quantify whether a material will flow the way it needs to. ![]() For handlers of all materials that flow, either while being processed or in an end-use, it is important to think about the materials’ flow characteristics. This program however does the calculation for Wet Air Viscosity (in centipoise) and it calculates the Dry Air Viscosity with the following inputs: To be brief, viscosity is resistance to flow. The kinematic viscosity of air at 15 ☌ is 1. Because the calculation for wet air viscosity is very complex and time consuming most engineers will useĪ simplified equation for Dry Air Viscosity which is not very accurate. The viscosity of air depends mostly on the temperature. Units of viscosity air 0.02 acetone 0.3 methanol 0.6 water 1.0 ethanol 1.2 mercury 1.5 linseed oil (raw) 28 corn oil 72 olive oil 84 motor oil SAE 20 125. In order to calculate air pressure drops an engineer must first calculate the Reynolds Numberįor the air flow, which requires the input of the Air Absolute Viscosity. Viscosity of Wet Air Used in Air Pressure Drop Analysis Water Vapor Pressure From -148 F to 705.298 F.Viscosity of Wet Air Used in Air Pressure Drop Analysis.Psychrometrics of Air & Water Vapor Mixtures.Insulated Pipe or Flat Surface Heat Loss or Gain.Ductwork Heat Loss or Heat Gain & Condensation.Building Water Vapor Transmission & Condensation.Electricity Generation & Estimation of Levelized Cost.Air Contaminant Problem Solving & Indoor Air Quality.Forensic Invstigations & Building Diagnostics.Viscosity of Wet Air Used in Air Pressure Drop Analysis - Acker & Associates ![]()
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