Fundamentals of Heat Transfer
This product is an experimental teaching device used in laboratories to verify the transfer and variation of radiative energy. The platform includes two radiation sources: a thermal emitter and a light emitter (both with adjustable radiation power).
Thermal radiation is detected using a radiation sensor, while light radiation is measured using an illuminance meter. Various optical components are installed on an optical bench between the emitter and detector, and the distances between components can be read from the scale on the optical platform.
By rotating the illuminance meter, the influence of incident angle on radiation intensity can be studied. The supporting optical components are used to investigate the reflection, absorption, and transmission properties of different materials under varying wavelengths and temperatures.
Through experiments, fundamental heat transfer laws such as Kirchhoff’s radiation law, the Stefan–Boltzmann law, Lambert’s distance law, and Lambert’s cosine law can be verified. Measurement values are displayed digitally on the measurement amplifier and can also be transmitted directly to a PC via USB for further data processing.
These experiments help students understand the fundamentals of thermal radiation, develop related technical skills, and enhance innovation and experimental design capabilities.
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Experimental Functions
1.Use a thermal radiation source and radiometer, or a light radiation source and illuminance meter, to verify the inverse square law.
2.Use a thermal radiation source and radiometer to verify the Stefan–Boltzmann law.
3.Use a thermal radiation source, metal plates, and a radiometer to study the emissivity of different surface characteristics.
4.Use a thermal radiation source, metal plates, and a radiometer to verify Kirchhoff’s law.
5.Verify the relationship between radiation exchange and relative surface area.
6.Verify the influence of radiation coefficients between closely spaced surfaces on surface temperature and heat exchange.
7.Use a rotating light radiation source and illuminance meter to verify Lambert’s cosine law.
8.Use a light radiation source, optical filter, and illuminance meter to verify Lambert’s absorption law.
9.Study and calculate the relationship between view factors (configuration factors) and radiation intensity.
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Product Model |
TH103 |
Product Name |
Radiation Heat Transfer Experimental Apparatus |
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Main Materials |
304 Stainless Steel, 40×40×3 mm Aluminum Profile, Galvanized Steel Plate |
Dimensions |
1415 × 410 × 330 mm |
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Product Weight |
21.2 kg |
Operating Environment |
Room temperature, Relative humidity ≤ 85% |
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Input Power Supply |
None |
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Required Modules |
1. Black specimen 2. Polished specimen 3. Matte specimen 4. Optical filter 5. Radiation sensor 6. Illuminance meter |
Optional Modules |
None |
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