Equivalent model optimization with cyclic correction approximation method considering parasitic effect for...

Area of Science:

• Thermoelectric cooling technology
• Thermal management in electronics

Background:

• Thermoelectric coolers (TECs) are crucial for high-heat-flux applications.
• Parasitic effects in integrated TECs significantly impact performance.
• Existing models struggle with accuracy in complex thermal environments.

Purpose of the Study:

• To develop a simplified TEC model that accurately predicts performance.
• To address the parasitic effects in integrated thermoelectric cooling.
• To improve thermal management solutions for high-power electronic devices.

Main Methods:

• Proposed a cyclic correction method for TEC modeling.
• Refined equivalent parameters from intrinsic and parasitic thermal conductance.
• Validated the simplified model against commercial TEC data under various heat loads.

Main Results:

• The simplified model shows excellent agreement with experimental data.
• It outperforms conventional and parasitic-inclusive models at high heat loads.
• Achieved average temperature difference errors below 1.6 K, with minimal error at 80% max heat load.

Conclusions:

• The proposed simplified TEC model offers enhanced accuracy for integrated devices.
• This method provides a more precise solution for small-sized, high-performance TEC applications.
• Improved modeling aids in optimizing thermal management for advanced electronics.