What is Defrost System in Household Refrigerators?
The process of removing the ice or frost from the evaporator or freezer is called as defrosting. The automatic controls employed in the present day …
Continue ReadingShowing items from HVAC: Heating, Ventilation & Air-Conditioning
Controls Used in Air Conditioning Systems: Thermostats, Humidistat, Airstats
To provide the comfort conditions throughout the year, the air-conditioning systems are fitted with three controls: temperature controls, humidistats …
Continue ReadingRefrigeration Process: Refrigerant Vapor Compression Cycle
The vapor compression cycle is widely used in refrigeration systems, including refrigerators, refrigeration air conditioning, freezers, and auto air …
Continue ReadingSubcooling And Superheating In Industrial Refrigeration
If you are interested in learning about how large refrigeration systems work, it is important to know about subcooling and superheating. This article …
Continue ReadingThe Equation of State for Real Gases Part Five
What do airports, soda, and Nazi Germany have to with the van der Waals equation of state as applied to carbon dioxide?
Continue ReadingThe Equation of State for Real Gases Part Three
In this article, we conclude our derivation of the van der Waals equation of state for real gases.
Continue ReadingThe Equation of State for Real Gases Part Four
An isothermal plot for an ideal gas shows one or more hyperbolas where PV is a constant. How is an isothermal plot for a van der Waals gas different?
Continue ReadingThe Equation of State for Real Gases Part Two
In this article, we begin deriving an equation of state for real gases by using van der Waals’ modification of kinetic theory.
Continue ReadingThe Equation of State for Real Gases Part One
The ideal gas law fails for gases that are near condensation. A physics graduate student came up with a modified equation by amending the kinetic …
Continue ReadingAir Conditioning and Outside Air Requirements
In this article, the requirements of outside air for air conditioning will be discussed, including the requirements of oxygen and dilution.
Continue ReadingPurpose of a condensor and its different types
Condensers are commonly used in both indoor and outdoor air-conditioning systems. A condenser is simply a heat exchanger, what is its purpose in the …
Continue ReadingRequirements For Humidification
In this article fundamentals of the humidification methods will be discussed, including factors required to be analyzed while selecting any system for …
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