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

Heat transfer by convection
Animation credit: Equinox Graphics/Science Photo Library
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Caption: The animation shows a beaker of water being heated by a Bunsen burner flame. A zoom into the beaker reveals the temperature of the water. White is the warmest, followed by red, yellow and green to blue (coolest). Warm water is less dense than cold water, so it rises through the cold water above, spreading out at the surface before descending at the sides. This sets up convection currents in the water (arrows), which serve to spread the warmth throughout the water.

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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