Does heat transfer cause molecules to cool down?

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SUMMARY

Heat transfer during conduction occurs when molecules collide, transferring energy from one end of an object to another. When energy is transferred from the molecules at one end (end 1) to nearby molecules at the other end (end 2), the molecules at end 1 lose energy and consequently cool down, provided there is no continuous supply of heat. If heat is continuously supplied, both ends will be hot, with end 1 being at a higher temperature than end 2, as long as the heat source maintains a higher temperature than end 2.

PREREQUISITES
  • Understanding of heat transfer mechanisms, specifically conduction
  • Basic knowledge of thermodynamics and energy conservation
  • Familiarity with temperature concepts and thermal equilibrium
  • Knowledge of molecular interactions during energy transfer
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  • Research the principles of conduction in heat transfer
  • Explore the laws of thermodynamics, particularly the conservation of energy
  • Study the concept of thermal equilibrium and temperature gradients
  • Investigate molecular dynamics simulations to visualize energy transfer
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Students and professionals in physics, engineering, and materials science who are interested in understanding heat transfer processes and energy conservation in molecular systems.

gracy
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One quick question about heat transfer.
during conduction heat transfer occur when molecules collide with each other .heat from one end of the object is transferred to other end .when molecules from end 1 collide with near by molecules of end 2 they transfer their energy to those nearby molecules.My question is after transferring energy do the molecules of end 1 get colder (provided that no constant supply of heat.)
 
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gracy said:
(provided that no constant supply of heat.)
If you're adding no energy to the system, and the energy of the system is conserved, the obvious conclusion is ... ?
 
Energy, even as heat, is conserved.
 
Yes.
 
Bystander said:
If you're adding no energy to the system, and the energy of the system is conserved, the obvious conclusion is ... ?
the molecules of end 1 get colder,right?
 
Yes.
 
Bystander said:
Yes.
And if heat is supplied continuously both ends would be hot but at any given instant end 1 which is in direct contact with heat source would be at higher temperature than end 2,right?
 
So long as the source is at a higher T than end 2.
 
Bystander said:
So long as the source is at a higher T than end 2.
you mean source and end 1 would be at same temperature?
 
  • #10
Or very close.
 
  • #11
Bystander said:
Or very close.
Thanks a lot for answering all my question.Can you please have a look at my thread moment of inertia ,this would be a great help.
 

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