Analysis of Multiple Factors Influencing the Efficiency of Gravity Thermal Pipe Waste Heat Recovery: A Case Study of Heat Accumulation Management in Spoil Tips

Energy, Год журнала: 2025, Номер unknown, С. 135526 - 135526

Опубликована: Март 1, 2025

Язык: Английский

Thermoelectric Energy Harvesting with a Stacked Configuration Using Porous Medium for Marine Applications

Energies, Год журнала: 2025, Номер 18(6), С. 1551 - 1551

Опубликована: Март 20, 2025

This study proposes a vertically stacked thermoelectric generator (TEG) design to enhance output power per unit volume. While the proposed TEG achieved improved conversion efficiency, high inertia of exhaust gas leads significant flow maldistribution across channels, causing uneven thermal conditions on TEM surfaces and reducing overall efficiency. To waste heat recovery by improving uniformity in perforated plate with porosity ranging from 0.15 0.75 was inserted. A multi-physics numerical model developed simulate energy phenomena, enabling for accurate evaluation both module- system-wise performance. The insertion 0.45 provided most uniform distribution only 5% rate difference between channels. resulted system-level 167.1 W, which is ~7% higher than case without plate, along electrical efficiency 91.1% 3.41%. Moreover, enhanced led an volumetric density 20.8 kW/m3. When accounting pumping losses, 0.6 maximized net power, demonstrating how optimized significantly enhances harvesting

Язык: Английский

A novel one-time unified configuration strategy with L-SHADE optimizer for enhanced power extraction in thermoelectric generator array

Applied Thermal Engineering, Год журнала: 2024, Номер 257, С. 124376 - 124376

Опубликована: Сен. 7, 2024

Язык: Английский