Online educational resource on achieving indoor environmental quality with radiant based HVAC systems
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Indoor Air Quality

Heat transfer by conduction
Animation credit: Equinox Graphics/Science Photo Library
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Caption: The animation shows a metal bar being heated at one end by a Bunsen burner flame. A zoom into the bar reveals the closely-packed atoms of the metal. Heat is a manifestation of the movement of the atoms. Cold atoms (blue) do not move much, but the atoms (red) above the flame have more energy, and vibrate more. Their energetic vibrations are passed through collisions to their colder neighbours, making those vibrate more in turn. The process continues as more heat is added to the system, and the bar heats up.

Learn more about heat transfer:
Human thermal plume
Conduction animation
Radiant animation
Convection animation
Mean radiant temperature

An Introduction to Heat Transfer

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