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How does the heat energy get from the hot water to the outside of the radiator?
Heat energy is transferred from the hot water inside the radiator to the outside through a process called convection. As the water inside the radiator heats up, it warms the metal walls of the radiator. The heat is then transferred to the surrounding air through convection, where the warm air rises and circulates around the room.
What are the benefits of using a low surface temperature radiator in a home heating system?
Using a low surface temperature radiator in a home heating system can provide benefits such as improved safety, reduced risk of burns, and more efficient heat distribution throughout the room.
In general good absorbers of electromagnetic radiation are also good?
Yes, Good absorber of heat are good emitters of heat. And in both the way rate is same. This is Kirchoff's Law.
How is heat transferred through a radiator?
Heat is transferred through a radiator primarily by convection. As hot water or steam flows through the radiator, it warms the metal fins of the radiator. The warm metal then heats the surrounding air, which rises and creates a convection current, transferring heat into the room.
Why do you blacken the outer surface of a solar cooker?
It is because black colour is a good absorber of heat
