Humidity, humidity ratio), h represents enthalpy (kJ/kg dry air) and Represents specific humidity (aka: absolute Thus t represents temperature, p represents The convention in programming that all variable names begin with Thus the enthalpy lines can be plotted parallel to,īut independant of the wet bulb temperature lines. In the enthalpy equation (above) leads to the intercept of theĮnthalpy line with the enthalpy axis as follows: h = T + 2.5 (T + 5) or finally: T = (h - 12.5)/3.5 Notice in the psychrometric chart that the oblique The program: specific humidity: (sometimes known as: The following four equations (refer back to Part Over 5☌ intervals for plotting the wet-bulb temperature andĮnthalpy lines. Over 1☌ intervals for plotting the saturation and constant relative
Saturation temperature/pressure data, file t_pg
Data is read from 2 datafiles containing water (shown below) is used to plot the Simplified Psychrometric Chart MATLAB program for plotting a Simplified Psychrometric Chart (Updated 3/7/08) MATLAB program for plotting a Simplified
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