Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 218, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2021.109130
Keywords
Thermoelectric properties; Seebeck coefficient; Composite laminates
Categories
Funding
- EU [769140]
- H2020 Societal Challenges Programme [769140] Funding Source: H2020 Societal Challenges Programme
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Analytical models were developed in this work to assess the in-plane electric, thermal, and thermoelectric properties of multi-directional composite laminates. The models obtained the apparent laminate Seebeck coefficients and complete coupled thermoelectric constitutive law, which were validated against Finite Element analyses and experimental data. These models are useful tools for designing composite parts capable of harvesting thermal energy and converting it into electrical energy.
Analytical models are developed for the first time in this work for assessing the in-plane electric, thermal and thermoelectric properties of multi-directional composite laminates based on the lay-up and the ply orthotropic properties. In particular, both the apparent laminate Seebeck coefficients along two orthogonal in-plane directions and the complete coupled thermoelectric constitutive law are obtained. The analytical relationships developed are then validated against the results obtained from a bulk of Finite Element (FE) analyses and against both experimental data taken from the literature and the results from an ad hoc experimental campaign carried out in the present work. The models developed represent a useful tool for designing composite parts to serve as thermoelectricallyenabled structural elements capable of harvesting thermal energy and converting it into electrical, as for instance from heat dissipation found in several applications.
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