Willis H Carrier. Father of Air Conditioning. R V Simha. Keywords. W H Carrier, rational psychro- metric formulae, psychrometric chart, invention of centrifugal. PSYCHROMETRIC CHART. ▫ Identify parts of the chart. ▫ Determine moist air properties. ▫ Use chart to analyze processes involving moist air. 35 40 45 50 0,36 55 Carrier PSYCHROMETRIC CHART NORMAL.

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Type and press enter to search. Thus we introduce an oblique enthalpy axis and enthalpy black lines as follows: The most popular chart in common usage is that developed by ASHRAE American Society of Heating, Refrigeration and Air-Conditioning Engineershowever we feel that the construction of a simplified version of the chart based on approximations of the various psychroemtric can be a very useful tool for developing an understanding of it’s usage.

Simplified, the amount of water vapor carridr the air.

Find the vertical line marked This defines the “comfort zone” which is portrayed on the Psychrometric Chart as shown below. At first appearence the psychrometric chart is quite confusing, however with some practice it becomes an extremely useful tool for rapidly evaluating air-conditioning processes. But more significantly, the psychrometric chart still serves as an important educational tool to professionals who want to learn more about how air humidification works.


Greenheck Psychrometrics Science Tools.

Psychrometrics Made Simple – United Trades

Are you a heating and air conditioning professional? Please add a comment explaining the reasoning behind your vote. Notice that on the saturation curve the wet and dry bulb temperatures have the same values.

What is the humidity psycnrometric at this point? This program was originally created by Hands Down Software.

The area of engineering investigating the moist properties of air. Psychometric charting and process energy analysis software with unmatched chart presentation quality and accuracy.

If you do, you should probably know something about psychrometrics. Display a fully customizable psychrometric chart in both landscape and portrait modes. I must warn you—I am going to get a bit technical, and you just might learn something at the end of this paper. The original Carrier Psychrometric Chart was compiled from empirical data from meteorologist William Ferrel as well as a Professor Marvin.

This chart possesses some features that would become a mainstay of modern psychrometric charts, such as dry bulb temperature on the horizontal axis, more commonly referred to as air temperature. The horizontal axis is air temperature, also known as dry-bulb temperature, which is indicated by the reading of an unwetted bulb in a thermometer.

Home Technical Resources Bookstore. The latest installation package occupies Find the point where the vertical dry-bulb line and the diagonal wet-bulb line intersect. Also known as air temperature, the reading of an unwetted bulb in a thermometer.


CARRIER Psychrometrics (free version) download for PC

Load Calculation Applications Manual, 2nd ed. If the air is cooled to 80 degrees Fahrenheit, what will be the relative humidity? An interesting and informative description on Psychrometric Chart Use for livestock and greenhouse applications psychromdtric been presented in a University of Connecticut website by Michael Darre.

Indicate all the values determined on the chart. The solution processes the data collected from psychometric operations. The program belongs to Education Tools.


The program psychrojetric output a listing of points and processes in a tabular report with calculated properties and energy values for each.

Android app no longer available.

The program on the CD allows the user to plot typical psychrometric processes and perform the corresponding energy calculations on-screen, without varrier to first print out the individual charts. Dry-bulb temperature is indicated on the x-axis of the psychrometric chart.

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