TG12-2.5-01LS

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Thermal - Thermoelectric, Peltier Modules

A thermoelectric module, such as the TG12-2.5-01LS, is an electrical device that allows heat transfer between two points by means of a temperature gradient. By applying a voltage, the thermal energy between two points can be transferred from one point to the other. It consists of two ceramic plates and a collection of thermocouple-type thermoelectric components that are sandwiched in between the two plates.

These modules have an application field ranging from temperature control, to refrigeration, to power conversion. With refrigeration, the module can be used to transfer heat from one compartment and dissipate it to the other; this is the basis of the electric refrigerator. Temperature control allows for efficient and accurate control of the temperature in a variety of applications, such as in agricultural, medical, and industrial contexts. Power conversion, which is the process of transforming power from one form to another, can be used in applications such as solar energy, wind energy, and geothermal energy conversion.

The core technology behind thermoelectric modules lies in the field of thermodynamics. Thermodynamics is the study of energy, heat, and temperature, and their relationships and interactions. Thermoelectric modules change mechanical energy into electricity by using thermoelectric effects, an effect that occurs between two dissimilar materials when a current is passed through them. The temperature difference across the two materials causes electrons to flow from one material to the other, resulting in electrical power.

The working principle of thermoelectric modules is very simple—a positive voltage applied across its two terminals creates a temperature difference between them. The temperature difference creates a heat flow from the metalic end to the ceramic end, known as the Peltier effect. The refrigerator energy efficiency is determined by the temperature difference of the two sides. The higher the temperature difference, the higher the energy efficiency.

Thermoelectric modules are effective, efficient, and simple to use devices, and are becoming increasingly popular in applications ranging from cooling and heating to power conversion and temperature control. The TG12-2.5-01LS is an example of such a module, and its application field and working principle illustrate the important role thermoelectric modules can play in the modern world.

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