Psychrometric Graph - 'link'

At its core, a psychrometric chart is a plot of the physical and thermodynamic properties of gas-vapor mixtures at a constant pressure. Since we are typically concerned with atmospheric air, most standard charts are plotted at standard atmospheric pressure (sea level).

Often shown as diagonal lines parallel to the wet bulb lines. Enthalpy (h) is the total energy in the air (sensible heat + latent heat). This is the "checkbook" of the chart—it tells you how much energy your air conditioner or heater must add or remove. psychrometric graph

Often described as a "graph of the physics of air," the psychrometric chart might look like a chaotic spiderweb of lines at first glance. However, once you learn its language, it becomes an indispensable map for controlling comfort, preserving food, drying paint, or even keeping a data center cool. At its core, a psychrometric chart is a