Components of Lee’s Disc Apparatus
- Brass Discs (Heated and Cooling Discs): Provide thermal contact with the test material.
- Test Sample (Bad Conductor): The material whose thermal conductivity is to be measured.
- Heating Element: Supplies heat to the system.
- Thermometers: Measure temperatures at different points.
- Insulation Setup: Reduces heat loss for accurate measurement.
Applications:
- Measuring Thermal Conductivity of non-metallic materials.
- Studying Heat Transfer in Solids and the effect of material thickness.
- Validating Fourier’s Law of Heat Conduction.
- Educational Demonstrations in thermodynamics and material science.
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