Peltier and Seebeck effect experimental apparatus
This is a tabletop device that conducts performance experiments on thermoelectric power generation using the Peltier effect, which creates a temperature difference from the voltage between dissimilar metals, and the Seebeck effect, which generates voltage from a temperature difference. In the Seebeck effect experiment, the voltage generated from the temperature difference between the cooling surface and the hot surface of the device is measured using cold water from an external source and variable electric heater output. In the Peltier effect experiment, the electric heater, water storage tank, and water supply pump are adjusted to measure the temperature difference on the device's surface. By accurately measuring the flow of water, the amount of heat transfer can be calculated, allowing for performance evaluation based on temperature gradient and power, as well as analysis of the coefficient of performance (COP) and energy balance in each mode. The device panel includes a schematic diagram and digitally displays heater output (W), cooling water inlet temperature (°C), device surface temperatures (top and bottom), voltage, current, and power. By using the optional (sold separately) data automatic collection system (VDAS-B), various data can be collected in real-time to a PC (sold separately) and experimental results can be analyzed.
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basic information
TD1008 Specifications Dimensions and Weight: 810 x 500 x H600, approximately 47kg Power Supply: AC100V/3A 50/60Hz Thermocouples: Type K, 4 locations Electric Heater: 60W Thermal Relay: 130℃ (upper side) Peltier Supply Current: Maximum 6A (up to 7.5A for a short time under specific conditions) Peltier Pump: Maximum 1L/400 seconds (0.15L/min) Thermoelectric Exchange Element: Solid-state semiconductor, 1 stage Peltier Mode: Vmax = approximately DC16.4V, Imax = approximately 7.4A Seebeck Mode: Load resistance approximately 2.5Ω, output < approximately 2W, open circuit voltage approximately 3.12V Maximum Temperature Difference: ΔT = approximately 74℃ (at hot side 50℃) Operating Temperature Range: +5℃ to +40℃ Water Supply: Clean cold water below 20℃, water pressure between 1bar and 3bar, flow rate of at least 1L/min Safety Mechanisms: Over-temperature protection device, pump over-pressure protection device included
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Applications/Examples of results
Main Experimental Content (Reference) Experiment 1: Calculation of Seebeck Coefficient Experiment 2: Demonstration of Heat Flow Reversal (Current Reversal) Experiment 3: Performance Evaluation as a Power Source Experiment 4: Peltier Cooling Curve Experiment 5: Effects of Supply Current Variation on Device Temperature Fixation Experiment 6: Effects of Device Temperature Variation under Fixed Supply Current
Detailed information
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Independent input of calculation formulas and layout changes are possible. Screen diagram of VDAS-B (sold separately).
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System Overview Diagram
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Schematic diagram of thermoelectric conversion materials
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Company information
Megakemu designs, manufactures, and imports various experimental and practical equipment for universities, junior colleges, technical colleges, high schools, and vocational schools nationwide. While the world has made advancements in various fields, it seems that our Earth's environment is being disturbed by ourselves and is approaching its limits. The world is seeking new Japanese technologies that coexist with the Earth's environment.