![]() Chart by: HANDS DOWN SOFTWARE, handsdownsoftware. Below 32 F, properties and enthalpy deviation lines are for ice. If you want to save your Diagram and Values/ processes in a PDF-report, please push the button "Save PDF", and it starts downloading automatically. PSYCHROMETRIC CHART Normal Temperature I-P Units SEA LEVEL. Comfort area: This is the range of the desired Temperature and Humidity.Axes: Do you want to focus on just a part of the diagram?.Because the formulas and the graph depend on the height above sea level (air pressure changes), it is important set the correct altitude. Altitude: Standard the altitude is set to sea level.This affects the chart, input values and calculated values. Units-system can be set to Metric(SI) or Imperial(I-P).Chart Style: Mollier/ Psychrometric-Chart.The new condition of the air is calculated and this new point and the process will be automatically drawn in the diagram. With this online tool you can simulate and visualize thermodynamic processes that affect moist air.Īfter entering the Air start conditions, you can enter various actions, like " Mix", " Heat", " Cool", " Heat Recovery" and " Humidify". Psychrometric Chart calculator and Sketcher At the Thermodynamics Conference in Los Angeles (1923), it was decided to name the diagram after Richard Mollier in his honor. The Psychrometric Chart is also known as the "Mollier-Diagram". The new ASHRAE Psychrometric Chart app is the first truly interactive graphical psychrometric chart for your iOS device, and it includes both I-P and SI units. The chart is is combined with the Relative Humidity lines and the Enthalpy to calculate the change in total internal energy. This diagram is widely used in mechanical engineering and HVAC technology and plots the Temperature versus the Absolute Humidity. With a Psychrometric Chart (also know as Mollier Diagram) you can draw processes of humid (moist) air and calculate air conditions. Chart by: HANDS DOWN SOFTWARE, 1.000.950.90īelow 32 F, properties and enthalpy deviation lines are for ice.About Online Interactive Psychrometric Chart PSYCHROMETRICCHARTNormal TemperatureSI UnitsSEA LEVELīelow 32 F, properties and enthalpy deviation lines are for ice. A psychrometric chart is very useful in carrying out heat load or cooling load calculations. Say if the air is cooled from 100oF to 75oF, all we have to do is draw the horizontal line to locate the initial and final condition of the air. Chart by: HANDS DOWN SOFTWARE, BAROMETRIC PRESSURE: 101.325 kPa With a psychrometric chart we can easily find out the present and the final condition of the air. Wet-BulbDewpoint orSaturationTemperature Fīelow 32 F, properties and enthalpy deviation lines are for ice. On the psych chart: Relative humidity shows up as curves through the chart. PSYCHROMETRICCHARTNormal TemperatureI-P UnitsSEA LEVELĢ0 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110īelow 32 F, properties and enthalpy deviation lines are for ice. Chart by: HANDS DOWN SOFTWARE, BAROMETRIC PRESSURE: 29.921 in. Temperature F ‘ Wet-Bulb Dewpoint or Saturation Temperature F ‘ Pounds of moisture per pound of dry air ‘ Grains of moisture per pound of dry air ‘ ‘ Enthalpy at saturation, Btu per pound of dry air Return Air Outside Air Mixed Air Discharge Air BAROMETRIC PRESSURE: 29.921 in. HG PSYCHROMETRIC CHART Normal Temperature I-P Units SEA LEVEL Below 32 F, properties and enthalpy deviation lines are for ice. DRY AIR 14.5 0.1 Btu 0.2 Btu 0.3 Btu 0.4 Btu -.02 Btu -.04 Btu -.06 Btu -.08 Btu -0.1 Btu -0.2 Btu -0.3 Btu - Enthalpy deviation Btu per pound of dry air Dry-Bulb Temperature F ` Wet-Bulb Dewpoint or Saturation Temperature F ` Pounds of moisture per pound of dry air ` Grains of moisture per pound of dry air ` BAROMETRIC PRESSURE: 29.921 in. On this chart, values range from 12.5 to 15.0 cubic feet/ pound of dry air. 025 10% RELATIVE HUMIDITY 20% 30% 40% 50% 60% 70% 80% 90% 25 30 35 40 45 50 55 60 65 70 75 80 12.5 13.0 13.5 14.0 VOLUME- CU.FT. On the psychrometric chart, lines of constant specific volume are almost vertical lines with scale values written below the dry-bulb temperature scale and above the upper boundarys saturation temperature scale. Chart by: HANDS DOWN SOFTWARE, 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 0.45 0.40 Sensible Heat Factor `. Online calculator, figures and tables with dynamic (absolute) and kinematic viscosity for air at temperatures ranging -100 to 1600☌ (-150 to 2900☏) and at pressures ranging 1 to 10 000 bara (14. ![]()
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