what is heat energy
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DescriptionHeat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes
Heat energy is an energy that connects to the atmosphere present around.
Explanation:
When we add tea to a cup, it is very hot, it is so hot that we cannot drink it, its temperature is 90 ° C and the temperature of the room is 26 ° C.
Now we keep this cup of tea for some time, then it cools down and now we can drink it. This happened because the temperature of the cup was high and it was the temperature of the room from which the energy is emitted by the tea and absorbed by the room ie atmosphere, this energy is called heat.
Heat flows from high temperature to low temperature.
It is only due to heat energy that when a cold object is brought into contact with a hot object, the temperature of the cold object increases and the temperature of the hot object decreases because the heat energy is exchanged between the hot and cold object.
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