Overview Psychrometrics, at its core, is an area of engineering investigating the moist properties of air. Notice that on the saturation curve the wet and dry bulb temperatures have the same values.Īn interesting application of using a swamp cooler to cool drinking water in extremely hot environments is described in the posting of Rich Oppel in the At War blog of the New York Times: For this reason a Psychrometric Chart relating all the relevant variables was developed which is extremely useful for designing and evaluating air-conditioning and cooling tower systems.Ĭonclusion Experiment with chart at various intersections of humidity ratio and air temperature to perform your own calculations! Psychrometric Chart Pdf Gatley, 18 Carrier is considered the inventor of modern air conditioning, although like any landmark engineer, he had some help from previous research. Here is a modern version of the psychrometric chart: This program was originally created by Hands Down Software.ĭisplay a fully customizable psychrometric chart in both landscape and portrait modes. The program on the CD allows the user to plot typical psychrometric processes and perform the corresponding energy calculations on-screen, without having to first print out the individual charts. W H Carrier, rational psychro- metric formulae, psychrometric chart, invention of centrifugal.
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