Laird Enhances TEM Simulation Software Tool

Laird Technologies has launched its enhanced online thermoelectric module (TEM) simulation software tool, Aztec. Aztec selects the optimal TEM(s) for trial from a given set of input variables based on application attributes that the user specifies. The program also contains an analysis worksheet, which simulates how the TEM will function under a specific set of operating conditions. The interface offers users several options when selecting TEM parameters.

The TEM Selection Tool uses input variables, such as heat load, ambient and control temperatures, input-voltage requirement and thermal resistance of hot-side heat exchanger to recommend a suitable TEM needed to reach an application's operating condition. The software has been updated with the latest TEM product offering from Laird Technologies. The Analysis Worksheet Tool simulates the expected thermoelectric output parameters based on a given set of thermal and electrical operating points.

Output parameters calculated are the hot- and cold-side temperatures of the TEM, heat pumped at the cold surface of the TEM, coefficient of performance (COP) and input power requirements. The total hot-side heat dissipation is also calculated, which is beneficial in sizing a proper heat exchanger, which commonly mounts directly onto a TEM. The Qc Estimating Worksheet calculates an estimate on the heat load for device (spot) or chamber (volume) cooling applications. Computations are made based on input provided by the user, such as temperature requirements, volumetric dimensions, insulation thickness, material properties and active heat load.


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