Leslie cubes
Original price was: $1,000.00.$800.00Current price is: $800.00.
A Leslie cube is a hollow, metallic cube, usually filled with hot water, used to study heat radiation and thermal emissivity. Each of its four vertical sides has a different surface finish—typically polished metal, matte black, white, and a rough or textured surface—allowing direct comparison of how various surfaces emit infrared radiation. The cube is an excellent tool for demonstrating that darker, rougher surfaces emit more thermal radiation than lighter, polished surfaces. It is commonly used in physics and thermodynamics experiments to explore concepts of heat transfer and radiation efficiency.
Uses of Leslie cubes
- Study of Emissivity:
The different surfaces of the Leslie cube help demonstrate the concept of emissivity, which refers to how effectively a surface emits thermal radiation. For example, a black surface typically emits more heat radiation compared to a polished surface.
- Heat Transfer Demonstrations:
By filling the cube with hot water, students can observe how heat is radiated from the different surfaces of the cube, helping them understand heat transfer mechanisms like radiation.
- Infrared Radiation Measurement:
Infrared thermometers or sensors can be used to measure the radiation from each surface, showing how different materials and finishes radiate heat differently.
- Physics Education:
Leslie cubes are a common tool in thermodynamics experiments to teach concepts like radiation, heat absorption, and temperature variation between materials.
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