Optimization and parametric analysis of a multi-junction high-concentrator PV cell combined with a straight fins heat sink

Zaghloul, Hesham; Emam, Mohamed; Abdelrahman, M.A.; Rabbo, M.F. Abd

doi:10.1016/j.enconman.2021.114382

Cited by 35 publications

(8 citation statements)

References 41 publications

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“…The cell bottom surface of solar cell was attached to the hot ceramic surface of thermoelectric generator with 98 thermoelectric legs of bismuth telluride varying between positive and negative connected by copper straps and covered from the top and bottom by ceramic layers which make a module of 49 thermoelectric couples thermally connected on parallel and electrically connected on series the whole hybrid system assembly is described in Figure 2 with the cell and thermoelectric generator dimensions described in Table 1 with TJ cell dimensions referred to [13] and TEG module to [14].…”

Section: Physical Modelmentioning

confidence: 99%

“…The boundary conditions applied is mixed convection and radiation heat transfer for TJ cell germanium, copper and ceramic upper surfaces, and TEG ceramic upper surface. In contrast, the TEG cold ceramic bottom surface is exposed only to convection heat transfer, and an adiabatic boundary condition was applied on surfaces of TJ cell germanium, copper and ceramic layers and TEG ceramics, copper straps, and thermocouple legs side surfaces, the internal heat generation is only valid in the germanium cell layer and calculated by equation (1) [13].…”

Section: Numerical Solutionmentioning

confidence: 99%

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Studying the Coupling of a Concentrator Photovoltaic Cell With Thermoelectric Generator

Ahmed

Emam

Abdelrahman

et al. 2022

Journal of Al-Azhar University Engineering Sector

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Concentrator photovoltaic technology (CPV) use solar concentrators to maximize incident solar energy and hence create more electricity per unit area. However, increasing the solar incident irradiance raises the temperature of the solar cell and consequently reduces its efficiency. The current study uses the Thermo Electric Generator (TEG) as a passive cooling system to reduce the CPV surface temperature and use the waste heat energy to generate additional electricity. The study also compared the performance of a hybrid CPV-TEG to the baseline uncooled CPV. The results showed that under standard operating conditions, the uncooled MJ solar cell could not be exposed to solar radiation concentrations greater than 18.25 suns, with maximum electrical output of 0.7 W/cm 2 . In contrast, the hybrid CPV/TEG system can operate at solar radiation concentrations up to 37.60 suns, and thus the resulting power is maximized to reach 1.433 W/cm 2 .

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Section: Physical Modelmentioning

confidence: 99%

Section: Numerical Solutionmentioning

confidence: 99%

Studying the Coupling of a Concentrator Photovoltaic Cell With Thermoelectric Generator

Ahmed

Emam

Abdelrahman

et al. 2022

Journal of Al-Azhar University Engineering Sector

Self Cite

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“…Furthermore, fewer experimental trials can yield more quantitative information. Taguchi's method has been used in various fields, including renewable energy generation and energy storage systems [38][39][40][41] .…”

Section: List Of Symbolsmentioning

confidence: 99%

Parametric optimisation for the design of gravity energy storage system using Taguchi method

Elsayed

Abdo

Attia

et al. 2022

Sci Rep

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Gravitational energy storage systems are among the proper methods that can be used with renewable energy. However, these systems are highly affected by their design parameters. This paper presents a novel investigation of different design features of gravity energy storage systems. A theoretical model was developed using MATLAB SIMULINK to simulate the performance of the gravitational energy storage system while changing its design parameters. A parametric optimization study was also conducted using Taguchi and analysis of variance (ANOVA) techniques for optimizing the energy storage rate. Six parameters were studied; three are related to the piston design (diameter, height, and material density). The other parameters are the return pipe diameter, length, and charging/discharging time. Results revealed that the piston diameter and height are the two most significant parameters for the system performance compared to the other parameters, as they contributed by 35.11% and 30.28%, respectively. The optimization results indicated that the optimal piston diameter, height, and return pipe diameter were 0.25, 0.5, and 0.01 of the container height. The outcomes of this paper can significantly improve energy storage and power generation from renewable energy systems as it provides a reliable, economical, sustainable, and durable energy storage system.

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“…Many passive and active methods have been developed over the years to control the temperature of PV systems [1][2][3][4][5][6]. Heat pipes, fins of various types, and phase change materials are considered to be some of the available passive methods [7,8]. Mini-channel cooling and impingent jets are some of the available active methods [9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Photovoltaic Thermal Management by Combined Utilization of Thermoelectric Generator and Power-Law-Nanofluid-Assisted Cooling Channel

2023

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In this study, two different cooling systems for the thermal management of a photovoltaic (PV) module were developed. A PV/thermoelectric generator (TEG) and PV/TEG-mini-channel cooling systems were considered; in the later system, water and water-based Al2O3 nanofluids were used in the cooling channel. The effective cooling of the PV module was achieved by using higher-loading nanoparticles in the base fluid, while the nanofluid exhibited a non-Newtonian behavior. The PV/TEG with a cooling channel system was numerically assessed with respect to various values of Reynolds numbers (between 5 and 250), inlet nanofluid temperatures (between 288.15 K and 303.15 K), and nanoparticle volume fractions in the base fluid (between 1% and 5%). Variations in average cell temperature, PV power, TEG power, and efficiencies were computed by varying the pertinent parameters of interest with Galerkin’s weighted residual finite element method. The most favorable case for cooling was obtained with TEG-cooling channel at φ = 5% and Re = 250. In this case, PV electrical power increased by about 8.1% and 49.2% compared to the PV/TEG and PV system without cooling, respectively. The TEG output power almost doubled when compared to the PV/TEG system for all channel models at Re = 250. The inlet temperature of the nanofluid has a profound impact on the overall efficiency and power increment of the PV module. The use of the PV/TEG-cooling channel with the lowest fluid inlet temperature (288.15 K) and nanofluid at the highest particle loading (φ = 5%) resulted in a PV efficiency increment of about 52% and 10% compared to the conventional PV system without cooling and the PV/TEG system. In this case, the TEG efficiency rises by about 51% in the PV/TEG nanofluid model compared to the PV/TEG model.

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Optimization and parametric analysis of a multi-junction high-concentrator PV cell combined with a straight fins heat sink

Cited by 35 publications

References 41 publications

Studying the Coupling of a Concentrator Photovoltaic Cell With Thermoelectric Generator

Studying the Coupling of a Concentrator Photovoltaic Cell With Thermoelectric Generator

Parametric optimisation for the design of gravity energy storage system using Taguchi method

Photovoltaic Thermal Management by Combined Utilization of Thermoelectric Generator and Power-Law-Nanofluid-Assisted Cooling Channel

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