Psychrometric Chart Tutorial

Run the System Checker

Quick Jump: Choose a Page Table of Contents Introduction Sound Test Chart Introduction Humidity Ratio Relative Humidity RH Example RH Chart Lines Dry Bulb Temperature Wet Bulb Measurement Wet Bulb Temperature Dew Point Temperature Humid Volume Enthalpy Using the Chart(AE) Using the Chart(Metric) Interactive Chart Quick Quiz Credits

Table of Contents

IntroductionWhat can be expected upon completion of this module.

Sound TestAdjust speaker or headphone volume.

Chart IntroductionAn introduction to the Psychrometric Chart, and it's properties.

Humidity RatioAn explanation of Humidity Ratio and the lines on the chart.

Relative HumidityRelative Humidity formulas and an interactive explanation.

RH ExampleAn example illustrating how Relative Humidity changes with air temperature.

RH Chart LinesAn explanation of the Relative Humidity lines on the Psychrometric Chart.

Dry Bulb TemperatureAn explanation of the Dry Bulb Temperature and the lines on the chart.

Wet Bulb MeasurementA slide show of how to measure the Wet Bulb Temperature.

Wet Bulb TemperatureAn explanation of the Wet Bulb Temperature and the lines on the chart.

Dew Point TemperatureAn explanation of how to determine the Dew Point Temperature from the Psychrometric Chart.

Humid VolumeA Humid Volume formula explanation and the lines on the Psychrometric Chart.

EnthalpyFormulas for Enthalpy and the lines of Enthalpy on the Psychrometric Chart.

Using the Chart(AE)A demonstration of using the Psychrometric Chart with American Engineering units. Two properties are given and the process of finding the rest is described.

Using the Chart(Metric)A demonstration of using the Psychrometric Chart with Metric units. Two properties are given and the process of finding the rest is described.

Interactive ChartAn interactive Psychrometric Chart, in which users are given two properties and must find the values for the rest.

Quick QuizA self assessment quiz, to determine if a review is necessary.

CreditsA list of those responsible for creating this module.