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It displays the different properties of air: In our rooms, the air is a mixture of dry air and water vapor.Ĭheck out our 100% Solved Quiz Psychrometric Chart Terms & DefinitionsĪll the psychrometric chart is represented in a Psychrometric which provides the states or condition of the air at any specific time. In the same way, water vapour is also obeyed gas laws.Dry air obeys the gas laws of Charles, Boyle etc.Hence, dry air is considered a single gas Oxygen and nitrogen are the main part and the proportion of gasses do not vary, and it acts as a single gas.Complete dry air doesn’t exist, it always has some water vapour.
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#USING THE ASHRAE PSYCHROMETRIC CHART COMPLETE THE FOLLOWING ANDROID#
If cooling continues, air reduces to hold the capacity of containing moisture content and it will condense into moisture droplets.Ĭheck out our ‘MechStudies – The Learning App’ in iOS & Android What is Psychrometric Chart? Definition & Explanation Psychrometric Chart Explanation.
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When the temperature of hot air begins to reduce, the vapour also started to cool.When the air is cold, it’s capacity to hold the moisture is reduced.Air can contain a large amount of moisture if it is hot.A user's guide is provided within the in-program help. Fun animated flip views let you switch between SI and IP unit systems for each of the interfaces.ġ3. A sixth option for adiabatic mixing of two moist air streams.ġ2. A fifth option for enthalpy & humidity ratio. Six individual input interfaces: Four options for Relative Humidity, Wet-bulb Temperature, Dew point Temperature and Humidity Ratio input properties. Pressure versus altitude relationship tables in SI and IP units.ġ1. Automatic check for the validity range of the entered and calculated values.ġ0. Capable of performing calculations at high and low temperature ranges.ĩ. Humidity ratio IP units: Grains/lbm and lbm/lbm.Ĩ. Mass : kg/s, kg/m, kg/h, lbm/s, lbm/m, lbm/h.Calculate adiabatic mixing of two moist air streams using mass or volumetric flowrate in IP and SI units. Mass and volumetric flow rate (adiabatic mixing option)ĥ.Additional input properties - enthalpy & humidity ratio. Input properties - Dry-bulb temperature, pressure, and one of the following **FOUR** properties:ģ. SI (Metric) and IP (English) unit systems supported. PsychroAir is an excellent practice tool for the engineering FE and PE exam’s moist air problems.ġ. Use PsychroAir for engineering field calculations or to help you learn to read psychrometric charts. PsychroAir lets you easily calculate all the thermodynamic properties of moist air quickly and more accurately than using psychrometric charts.