heat transfer

How Heat Works

In HVAC-R, making things cold is really all about heat. How many of us heard as kids, “Close the door!…

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Heat Transfer: Convection

Convection is how heat passes through fluids. A fluid is anything that has loosely moving molecules that can move easily…

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Renewable and Non-Renewable Sources

Energy is one of the most vital needs of the human beings. Apart from the food as energy, we need…

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