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Parametric Optimization of Thermoelastic Energy Harvesting Systems under Low-Grade Thermal Cycling

Online Journal of Engineering Sciences | Vol 5, Issue 1

Figure 1

Schematic representation of the thermoelastic rod and the load-transfer model. A cylindrical rod of diameter D and length L undergoes thermal expansion under a temperature change ΔT<sub>rod</sub>. The load-transfer parameter λ defines the partition between mechanically utilized displacement and elastic restraint, thereby determining the axial force-displacement combination and the extractable mechanical energy.
Figure 1. Schematic representation of the thermoelastic rod and the load-transfer model. A cylindrical rod of diameter D and length L undergoes thermal expansion under a temperature change ΔTrod. The load-transfer parameter λ defines the partition between mechanically utilized displacement and elastic restraint, thereby determining the axial force-displacement combination and the extractable mechanical energy.
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