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“Aaah”Air conditioners, as the name suggests, are used to condition air. The various lines shown in the chart are as follows (please refer the fig). Now, that should do the trick!

The various lines shown in the chart are as follows (please refer the fig). the Psychrometric chart and psychrometrics in general be clearly understood. All the properties of air indicated in the psychrometric chart are calculated at standard atmospheric pressure. 5.

Psychrometric Chart. It is indeed, a powerful tool. The relative humidity line passing though this point indicates RH of 50%. (or the shortest distance from the highest proportion of air stream)Copyright © Air-Conditioner-Selection.com. Circumstance for such occurrence is that, the evaporator’s temperature is lower than the dew point temperature of the entering air. The specific volume of this air is 13.7 ft3/lb and the enthalpy of air is 30 Btu/lb.If all the values are calculated manually using the formulae, it takes lots of time, but with a psychrometric chart these values can be found within seconds or minutes.With a psychrometric chart we can easily find out the present and the final condition of the air. The psychometric chart can be used to find the resulting condition of the mixture. The constant enthalpy lines extend from the enthalpy scale down toward the right side of the chart.
[1] X Research source Each labeled temperature will have one vertical line extending from the axis. For other pressures, relevant corrections have to be applied. You’ll get dry, cool air.This is achieved in air conditioners for heating (or famously known as heat pumps), by adding water vapour, after being heatedFresh air and re-circulated air mixing is very important in maintaining low operating cost of an air conditioner.You can still use the paper chart, with pencil and ruler – in case of power disruption. With this knowledge, you will be able to understand All the properties of air indicated in the psychrometric chart are calculated at standard atmospheric pressure. In the first part of this The RH lines are the curves extending from the lower left to the upper right part of the psychrometric chart.

Adiabatic Mixing of Air Streams: Very often air having different conditions are mixed in the air conditioning system, such as the mixing of fresh air and return or re-circulated air before it enters the process plant. These equipment will be used to Use of psychrometry and psychrometric chart is vital for designing and Putting these data into a set of table (similar to Roger & Mayhew’s However, the drawback is, air conditioner designers and contractors have to flip-and-flip-back the pages to get necessary data.A chart, named known as the psychrometric chart is formed, incorporating all six parameters. The constant specific lines start from the saturation curve and drop down with the slight angle to the vertical lines. The enthalpy scale in the psychrometric chart is located outside the main body. The psychrometric chart looks like a shoe. From the psychrometric chart we can find out the specific volume of the required air and find the total volume of the required air by multiplying it with the total weight of the air required.

To find the value of the enthalpy of the any given air, one should know its WB temperature.

Say if the air is cooled from 100oF to 75oF, all we have to do is draw the horizontal line to locate the initial and final condition of the air.A psychrometric chart is very useful in carrying out heat load or cooling load calculations.Book: Basic Refrigeration and Air Conditioning by P N AnanthanarayanThis is the series of articles that describes psychrometric chart and various psychrometric processes like sensible heating, sensible cooling, humidification, de-dumidification, evaporative cooling etc.The Importance of Coal Analysis to Boiler DesignersTurbocharger design: Construction and working of turbochargers cooling and heating with change in specific humidity using conventional air conditioners.

I have been using this word over and over again every since I knew how to pronounce it. This course will review the essential elements of psychrometrics (the behavior of mixtures of air and water vapor under varying conditions of heat) and the chart that represents it.
Use the vertical lines extending from this axis to trace the measurements throughout the chart. Chapter 10: Air - Water Vapor Mixtures b) The Psychrometric Chart and Air-Conditioning Processes.


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