Robust Finite Element Model for the Design of Thermoelectric Modules |
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Authors: | Emil Sandoz-Rosado Robert Stevens |
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Affiliation: | (1) Materials Science, Co., Ltd, 5-5-44, Minamikasugaoka, Ibaraki, Osaka 567-0046, Japan;(2) Advanced Materials, Co., Ltd, 4-6-10, Kizuri, Higashiosaka, Osaka 577-0827, Japan;(3) Faculty of Engineering, Ehime University, Bunkyocho, Matsuyama 790-8577, Japan |
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Abstract: | Thermoelectric devices for power generation have been receiving increased attention as an emerging sustainable energy technology
because of recent advances in thermoelectric materials and the tremendous thermal resources available. Little focus has been
given to the effective implementation of thermoelectric materials in power generation modules and efficient module design.
With recent exploration into new module configurations, it is imperative that a comprehensive model be developed as a design
tool. A new three-dimensional, device-level, multiphysics modeling technique is developed for the purposes of designing and
evaluating thermoelectric module configurations. Using the new model, we identify and explore several geometric parameters
which are critical to module performance. The impact on device performance of solder, ceramic interface, and electrical contact
thickness, as well as the leg spacing, is evaluated for a standard unicouple configuration. Results are compared to the standard
one-dimensional constant property models commonly used in thermoelectric module design. |
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