How to Use a Psychrometric Chart: Lines and Curves
Using a psychrometric chart is quite easy if you know the properties of air. This article describes various lines and curves in a psychrometric chart …
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What is Psychrometric Chart? Introduction to Reading the Psychrometric Properties of Air
A Psychrometric Chart is an important tool for HVAC engineers to carry out heat load or cooling load calculations and find solutions to various air …
Continue ReadingMethods of Measurements
There are two methods of measurement: 1) direct comparison with the standard, and 2) indirect comparison with the standard. Both the methods are …
Continue ReadingEnthalpy of Air. Sensible Heat of Air. Latent Heat of Air
The total heat content of the air or enthalpy of air comprises of the sensible heat and the latent heat. The sensible heat is the heat absorbed or …
Continue ReadingWhat is Measurement? What are Mechanical Measurements?
Measurement is the process of comparing unknown magnitude of certain parameter with the known predefined standard of that parameter. For the …
Continue ReadingCompact Flat Plate Heat Exchanger- Working and Construction of PHE
A plate heat exchanger or PHE is quite common in almost all industries. How does a compact plate heat exchanger work? How is a PHE constructed? …
Continue ReadingWhat is Dry Bulb Temperature, Wet Bulb Temperature, Dew Point Temperature
In this article we will see the definitions of important terms like dry bulb temperature, wet bulb temperature, dew point temperature and also see …
Continue ReadingWhat is Saturated Air, Relative Humidity of Air, Partial Pressure of Water Vapor.
Let us now see some of the important properties of air.
Continue ReadingWhat is Dalton’s Law of Partial Pressure?
The Dalton’s law of partial pressure is the universal law applicable to the mixture of all types of gases that do not react chemically with each other …
Continue ReadingWhat is Psychrometry? Composition of Air
Psychrometry is the science of study of various properties of air, method of controlling its temperature and moisture content or humidity and its …
Continue ReadingHeating, Ventilating and Air Conditioning (HVAC) : Operations and maintenance
The primary function of scheduled maintenance for an HVAC system is to ensure an efficient system that will operate at optimum efficiency. Energy and …
Continue ReadingTips for Saving Electricity Costs from Air Conditioners
Air conditioning systems are installed in almost all the homes and offices and are one of the major electricity consuming devices leading to high …
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