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Thermal image of a newly lit Ghillie kettle. The plume of hot air resulting from the convection current is visible.
Thermal image of a newly lit Ghillie kettle. The plume of hot air resulting from the convection current is visible.
William Prout
William Prout
Fireplace, with grate and chimney
Fireplace, with grate and chimney
This color schlieren image reveals thermal convection originating from heat conduction from a human hand (in silhouette) to the surrounding still atmo
This color schlieren image reveals thermal convection originating from heat conduction from a human hand (in silhouette) to the surrounding still atmosphere, initially by diffusion from the hand to the surrounding air, and subsequently also as advection as the heat causes the air to start to move upwards.
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The transition from laminar to turbulent flow
The transition from laminar to turbulent flow