Computational study of geothermal thermoelectric generators with phase change heat exchangers

Catalán, Leyre; Araiz, Miguel; Aranguren, Patricia; Astrain, D.

doi:10.1016/j.enconman.2020.113120

Cited by 36 publications

(8 citation statements)

References 47 publications

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“…This study demonstrated the feasibility of this technology to harness geothermal anomalies, as well as the reduction in the efficiency with the increase of thermoelectric modules in one thermosyphon. This effect, demonstrated first computationally in [32] and then experimentally in [12], is due to the fact that each module has its own CHE, but they all share one HHE. For this reason, as the number of thermoelectric modules increases, the heat absorbed from the borehole is greater, which decreases the temperature on the hot side of the TEMs, and thus decreases their efficiency.…”

Section: Description Of the Geothermal Thermoelectric Generators Inst...mentioning

confidence: 94%

“…Aranguren et al and Araiz et al developed similar computational models to harness waste heat for thermoelectric generation, including determining factors such as the occupancy factor, the mass flow of the cooling fluids and the decrease in the temperature of the gases [30], thus, Araiz et al obtained deviations of less than ±9% [31]. Regarding geothermal energy, Catalán et al developed a model also based on the finite difference method, being able to simulate the behaviour of geothermal thermoelectric generators of different characteristics with a relative error of less than 8%, and partially validated it with experimental results obtained in laboratory [32,33].…”

Section: Introductionmentioning

confidence: 97%

See 1 more Smart Citation

Design and Optimization of Thermoelectric Generators for Harnessing Geothermal Anomalies: A Computational Model and Validation with Experimental Field Results

Alegría,

Catalán,

Araiz

et al. 2023

Preprint

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Section: Description Of the Geothermal Thermoelectric Generators Inst...mentioning

confidence: 94%

Section: Introductionmentioning

confidence: 97%

Design and Optimization of Thermoelectric Generators for Harnessing Geothermal Anomalies: A Computational Model and Validation with Experimental Field Results

Alegría,

Catalán,

Araiz

et al. 2023

Preprint

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“…The results indicated that the peak output power of the proposed structure is significantly higher than that of the traditional structure. In addition, the model can be used to predict the performance of the TEG system with phase change materials [96].…”

Section: Thermal Resistance-based Analytical Modelsmentioning

confidence: 99%

Recent advances in modeling and simulation of thermoelectric power generation

Luo

Liu

Yan

et al. 2022

Energy Conversion and Management

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“…Furthermore, Catalan et al [112] held a study on TEG integrated with a PCM in a 5000 m 2 geothermal plant. The model was first studied as a computational model.…”

Section: Teg In Hybrid Heat Recovery Systemsmentioning

confidence: 99%

Thermoelectric Power Generators: State-of-the-Art, Heat Recovery Method, and Challenges

et al. 2021

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Electricity plays a significant role in daily life and is the main component of countless applications. Thus, ongoing research is necessary to improve the existing approaches, or find new approaches, to enhancing power generation. The thermoelectric generator (TEG) is among the notable and widespread technologies used to produce electricity, and converts waste energy into electrical energy using the Seebeck effect. Due to the Seebeck effect, temperature change can be turned into electrical energy; hence, a TEG can be applied whenever there is a temperature difference. The present paper presents the theoretical background of the TEG, in addition to a comprehensive review of the TEG and its implementation in various fields. This paper also sheds light on the new technologies of the TEG and their related challenges. Notably, it was found that the TEG is efficient in hybrid heat recovery systems, such as the phase change material (PCM), heat pipe (HP), and proton exchange membrane (PEM), and the efficiency of the TEG has increased due to a set of improvements in the TEG’s materials. Moreover, results show that the TEG technology has been frequently applied in recent years, and all of the investigated papers agree that the TEG is a promising technology in power generation and heat recovery systems.

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Computational study of geothermal thermoelectric generators with phase change heat exchangers

Cited by 36 publications

References 47 publications

Design and Optimization of Thermoelectric Generators for Harnessing Geothermal Anomalies: A Computational Model and Validation with Experimental Field Results

Design and Optimization of Thermoelectric Generators for Harnessing Geothermal Anomalies: A Computational Model and Validation with Experimental Field Results

Recent advances in modeling and simulation of thermoelectric power generation

Thermoelectric Power Generators: State-of-the-Art, Heat Recovery Method, and Challenges

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