Emissive Power of Hot Bodies Training System
(HT108)
- Determination of the thermoelectric voltage at a constant temperature.
- Determination of the temperature dependence of the thermoelectric voltage.
- Measurement of the room temperature before starting the experiment.
- Determination and comparison of the emittance for all four sides of the Leslie cube at a constant high temperature.
- The thermal radiation of a cube filled with boiling water is measured with a Moll-type thermopile.
- Determination and comparison of the emittance for all four sides of the Leslie cube depending on the temperature.
- Plotting the thermoelectric voltage Vin as a function of the absolute temperature for each side of the cube and validation of Kirchhoff’s law of thermal radiation for the used Leslie cube with the collected data.
- Thermopile
- Sensitivity: 0.14 µV/µW
- Setting time: 40 s for 95% of the measured value
- Black surface: Ø 15 mm
- Internal resistance: 1 Ω
- Connections: two 4 mm safety connectors
- Dimensions: 94 mm × 40 mm Ø
- Shaft: Ø 10 mm
- Weight: 200 g
- Infrared Temperature Sensor
- Temperature range: -32 °C to 700 °C
- Response time: 250 ms
- Laser power: < 1 mW
- Power supply: 9 V battery
- Stirrer
- Speed: 90 RPM
- Heater
- Power: 1 kW
- Temperature Sensor (Thermocouple K-Type)
- Diameter: 6 mm
- Probe length: 60 mm
- Emissive Power of Hot Bodies Training System unit (HT108)
- Hard copy user manual
- Laboratory PC
The Emissive Power of Hot Bodies Training System is designed to study the effect of different surface types on the emissivity of heated bodies. The system enables measurement of temperature using various instruments, allowing users to analyze how surface properties influence thermal radiation behavior
- The system is designed as a bench-top educational training unit for studying thermal radiation and evaluating the emissivity of heated bodies using different measurement techniques.
- The unit includes a Leslie cube that serves as the main test object for demonstrating variations in emitted thermal radiation from different surface finishes.
- The system is equipped with a tank arrangement with filling and draining capability to allow filling the Leslie cube and preparing it for heating.
- Heating system controlled through a heater controller to raise and regulate the temperature of the test body during operation.
- The unit includes a stirrer to maintain uniform temperature distribution within the heated medium during the heating process.
- Includes a thermocouple for direct contact temperature measurement of the heated body during operation.
- An infrared temperature sensor for non-contact temperature measurement of the test surface.
- Equipped with temperature display interfaces for monitoring measured temperature values during operation.
- Thermopile for detecting emitted thermal radiation from the heated surfaces and converting it into an electrical signal.
- The trainer is equipped with thermopile terminals for transmitting the measured signal to the measurement interface.
- An amplifier module with display and control interface for signal amplification, processing, and visualization.
- The system includes a slider and ruler to enable controlled positioning of the sensor and maintenance of a fixed distance from the test surface.
- The measured values are monitored through the temperature and thermopile display units while the system is in operation.
- The system is controlled using ON/OFF pushbuttons and the heater controller, while safe operation is ensured through the emergency switch.