Crooks radiometer

Crooks radiometer

The radiometric effect is the spontaneous movement of unevenly heated bodies in a dilute medium from the warmer side to the colder side. In the Crookes radiometer, the uneven heating is achieved by painting the sides of the blades white and black. When illuminated, each side of the blade absorbs light energy differently, creating a temperature difference. This phenomenon is explained by the thermal movement of the gas at the surface of the warmer side of the blade, which causes the blade to move in a different direction.

COMPOSITION
The Crookes radiometer consists of a four-blade impeller balanced on a thin needle in a sealed glass flask with rarefied air. The blade has four plates painted black on one side and white on the other.

Specifications and equipment can be changed on request.

Height: 13 cm;
Flask diameter: 8 cm.