Thermal Energy Transfer
What is Thermal Energy? Thermal energy is the energy that comes from heat. This heat is generated by the movement of tiny particles within an object. The faster these particles move, the more heat is generated.
What are Thermal Energy Transfers? ➢
Heat may be transferred by means of conduction, convection, or radiation.
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Conduction is the transfer of thermal energy (heat in transfer) due to collisions between the molecules in the object.
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Collisions between adjacent atoms and molecules transfer kinetic energy from the warmer to the cooler object.
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All objects transfer thermal energy by infrared radiation.
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The hotter an object is, the more infrared radiation it gives off.
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No particles are involved in radiation, unlike conduction and convection.
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This means that thermal energy transfer by radiation can even work in space, but conduction and convection cannot.
Modes of Thermal Energy Transfer
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