Experimental study of the performance of concentrator photovoltaic/thermoelectric generator system integrated with a new
            <scp>3D</scp>
            printed microchannel heat sink

Abdo, Ahmed; Saitō, Takashi; Radwan, Ali; Ahmed, Mahmoud

doi:10.1002/er.6359

Cited by 15 publications

(3 citation statements)

References 46 publications

(80 reference statements)

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“…The model was validated with the experimental work of Rezania et al [77] and could even predict a positive net output power under optimal conditions. Abdo et al [81] used a 3D printed microchannel heat exchanger to cool a combination of photovoltaic (PV) cell and TEG. It was printed by laser sintering of maraging steel with a thermal heat conductivity of 11.4 W•m −1 •K −1 .…”

Section: Microchannel and Minichannelmentioning

confidence: 99%

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

2021

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Thermoelectric generators (TEGs) have the ability to convert waste heat into electrical energy under unfavorable conditions and are becoming increasingly popular in academia, but have not yet achieved a broad commercial success, due to the still comparably low efficiency. To increase the efficiency and economic viability of TEGs, research is performed on the materials on one hand and on the system connection on the other. In the latter case, the net output power of the cooling system plays a key role. At first glance, passive cooling seems preferable to active cooling because it does not affect the net electrical output power. However, as shown in the present review, the active cooling is to be preferred for net output power. The situation is similar in air and water-cooling. Even though air-cooling is easier to set up, the water-cooling should be preferred to achieve higher net output power. It is shown that microchannel cooling has similar hydraulic performance to conventional cooling and inserts increase the net output power of TEG. As the review reveals that active water-cooling should be the method of choice to achieve high net output power, it also shows that a careful optimization is necessary to exploit the potential.

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Section: Microchannel and Minichannelmentioning

confidence: 99%

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

2021

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“…The experimental results indicated that although there were no hot spots arising on the ceramic heat sink, the optimizations of channels on their size, compactness, or configuration were necessary for more uniform cooling. For instance, the manifold microchannel heat sinks have been designed and verified to be more efficient for uniform cooling, 17,18 which inspired us to optimize the ceramic-based heat sink in the near future.…”

Section: Resultsmentioning

confidence: 99%

3D printing of alumina ceramic heat sink with mini‐channels for thermal management

Dang

Zhou

et al. 2023

Int J Applied Ceramic Tech

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Thermal management has become one of the most challenging issues for highpower, integrated, and miniaturized electronic devices. In this paper, an alumina ceramic heat sink with mini-channels was fabricated using a digital light processing 3D printing technology. Microstructures of the ceramic were investigated by scanning electron microscopy. A proper flow rate of water in the mini-channels was figured out for efficient cooling by infrared thermal imaging and microthermocouple characterizations. The ceramic heat sink was further integrated with a high-power laser diode module; cooling performance was evaluated by investigating the thermal resistance of the ceramic heat sink and the optoelectronic property of the laser diode module. Results indicated that the laser diode module could be operated at high driving power of 115.6 W. This study provided a new strategy for a highly efficient thermal management of electronic devices and highlighted the technical potential of ceramic heat sink with more compact coolant channels.

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“…Abdo et al 29 presented an experimental research on the thermal control of a CPV/thermoelectric generator (TEG) system placed or added with a brand-new microchannel heat sink. The researchers have designed two arrangements for the study, that is, a conventional system (CPV/TEG/heat sink) and a new (CPV/heat sink/TEG) system.…”

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confidence: 99%

Performance analysis of a single cell‐ultra‐high concentration photovoltaic thermal module based on pin‐fins cooling microchannel

AlFalah

Maatallah

Al-Amri

2021

Intl J of Energy Research

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The present work is carrying out the performance of an actively cooled Fresnel-based single-cell ultra-high concentration photovoltaic/thermal (UHCPV/T) system under concentration ratios (CR)s ranged between 500Â and 2500Â. Four cooling finned heat sink designs have been studied, that is, the in-line cylindrical pin fins (ICY), staggered cylindrical pin fins (SCY), inline conical pin fins (ICO), and staggered conical pin fins (SCO). The analysis was performed to study and optimize the maximum operating MJSC temperature, coolant flow outlet temperature, pressure drop across, and the thermal, electrical, and overall efficiency enhancement of the whole Fresnel-based UHCVP/T system. The numerical model has been first validated and then used to simulate the impact of the concentration ratio and Reynolds number on the limitations and records of each cooling finned design of the UHCPV/T. It was found that even though the aluminum-based-ICO pin fins heat sink can achieve the optimum overall efficiency of 80.20% under 2000Â and Re of 428; yet the aluminum-based ICY is the most appropriate pin-fins heat sink design for desalination purposes since it corresponds to the highest water outlet temperature of 66.16 C with a second-ranked overall efficiency of 72.5% under the same operating conditions.cooling microchannel, overall efficiency, pin-fins heat sinks, ultra-high concentration ratio | INTRODUCTIONConcentrating the incoming light on a small surface of high-efficiency multijunction solar cell (MJSC) can be seen as a bright energy source to generate more costeffective electricity. Recently, most of the efficiency records have been reached with the concentration photovoltaics (CPV) technology. 1 It is an advanced technology for increasing PV systems' utilization and deployment. To increase the efficiency of the MJSC with the growing intensity of the system's power at ultra-high

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Experimental study of the performance of concentrator photovoltaic/thermoelectric generator system integrated with a new 3D printed microchannel heat sink

Cited by 15 publications

References 46 publications

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

Water-Cooled Thermoelectric Generators for Improved Net Output Power: A Review

3D printing of alumina ceramic heat sink with mini‐channels for thermal management

Performance analysis of a single cell‐ultra‐high concentration photovoltaic thermal module based on pin‐fins cooling microchannel

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