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Understanding thermal conduction and building heat loss

Principles of energy • Conservation and dissipation of energy

Key concepts

What you'll likely be quizzed about

  • Thermal conduction is the transfer of heat energy through a material without any movement of the material itself.
  • It occurs when molecules in a material collide and transfer energy to adjacent molecules, resulting in a gradual increase in temperature from the hot region to the cold region.
  • This process is governed by the temperature difference between the interacting molecules.

Flashcards

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Why are insulating materials used in buildings?

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They reduce the rate of heat transfer, thereby minimizing heat loss and improving energy efficiency.

Key notes

Important points to keep in mind

Lower thermal conductivity leads to less heat loss.

Insulation materials are critical for energy efficiency.

Heat loss occurs through conduction, convection, and radiation.

Thermal bridges can significantly increase heat loss.

Double glazing reduces loss of heat due to conduction.

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