Performance research and simulation of a new type of forest soil thermoelectric power device
With the rapid advancement of wireless internet of things technology in forest areas,there is an imminent demand for power supply due to the unique environmental conditions.A novel forest thermoelectric power device is designed based on the Seebeck effect.By combining experimental and finite element analysis approaches,the power generation performance of this new device under varying temperature differences is investigated.The results demonstrate that at an outdoor temperature difference of 13 ℃,the maximum instantaneous voltage generated by the outdoor thermoelectric power device reaches 2.5 mV.The finite element simulation of the thermoelectric plate on the thermoelectric power device is carried out.When the temperature difference between the two ends of the thermoelectric plate reaches 2℃,a voltage of 0.172 mV is generated at both ends of one thermoelectric plate.By analyzing the simulation diagram,it can be seen that the temperature difference inside the thermoelectric plate is evenly distributed;The potential generated by the thermoelectric plate varies most at the edge.The results of numerical simulation are compared with those of experiment,the two conclusions are consistent.
Seebeck effectsoil temperature differenceforest monitoringthermoelectric conversion
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