Psychrometric chart tutorial: A tool for understanding human thermal comfort conditions

The Psychrometric Chart tutorial is a downloadable animated tutorial application which explains the various features of the Psychrometric Chart and how it illustrates indoor or outdoor air conditions and their relation to human thermal comfort. This tutorial is written in Flash and various audio-visual techniques are incorporated to create an effective educational resource. This paper outlines the underpinning developmental theories for the tutorial program and subsequently describes, in detail, each of the features it presents: dry bulb temperature, absolute humidity, saturation line, relative humidity, wet bulb temperature, dew point temperature, precipitation, hourly data, comfort zones, and mechanical systems. It is concluded with user feedback and indications of future enhancements.