Article
Construction & Building Technology
Dong-Seok Lee, Jae-Hun Jo
Summary: This study proposes a real-time method for estimating solar irradiance within a building, utilizing global irradiance data measured outside. The method accurately calculates irradiance reaching multiple occupant locations and has shown a high estimation performance in experiments. The proposed method is discussed for its applicability in real-time evaluation of indoor environment and building passive system control.
BUILDING AND ENVIRONMENT
(2021)
Article
Energy & Fuels
Sebastian Zainali, Silvia Ma Lu, Bengt Stridh, Anders Avelin, Stefano Amaducci, Michele Colauzzi, Pietro Elia Campana
Summary: Agrivoltaic systems are crucial for achieving sustainable development goals, and choosing the right system is essential to minimize crop yield reductions. This study developed different types of photovoltaic arrays to analyze the shading conditions on the ground for crop production. The models showed remarkable accuracy compared to commercial software and provided accurate photosynthetically active radiation distribution at the crop level. The analysis of shading effects revealed significant variations in homogeneity and photosynthetically active radiation reduction depending on the agrivoltaic system design.
Article
Environmental Sciences
Ziyan Wang, Ming Zhang, Lunche Wang, Wenmin Qin, Yingying Ma, Wei Gong, Lan Yu
Summary: This study utilized the MERRA-2 dataset to analyze the all-sky surface solar radiation over the Yangtze River basin from 1980 to 2018, revealing that clouds and aerosols are the main factors affecting annual SSR variation, with clouds having a greater impact than aerosols.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Energy & Fuels
Vytautas Bocullo, Linas Martisauskas, Darius Pupeikis, Ramunas Gatautis, Rytis Vencaitis, Rimantas Bakas
Summary: The field of solar photovoltaic (PV) plants has experienced significant growth, but the impact of shading on PV plant performance remains a concern. This study proposes a methodology using UAV photogrammetry to evaluate shading effects on PV systems and determine optimal configuration. A high-detail 3D model allows for obstacle evaluation and accurate recreation of shading proximities. The methodology was applied to PV systems in Kaunas, Lithuania, resulting in a 11% difference in PV yield and highlighting the need for financing support and optimal design.
Article
Energy & Fuels
Satoshi Ishii, David Hernandez-Pinilla, Nicholaus K. Tanjaya, Tadaaki Nagao
Summary: Passive radiative cooling during the day can be achieved with highly reflective sunlight and thermal radiation in the mid-infrared region. In this study, the low ultraviolet reflectance of a silver film is compensated by combining it with a distributed Bragg reflector (DBR) made of silica and tantalum dioxide multilayers. The samples exhibited high solar reflectance (0.987) and thermal emittance (0.852), and the addition of a polymer improved the thermal emittance (0.926) with a slight decrease in solar reflectance (0.007). Outdoor measurements confirmed the radiative cooling performance of the samples in summer.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2023)
Article
Environmental Sciences
Myeongchan Oh, Chang Ki Kim, Boyoung Kim, Yongheack Kang, Hyun-Goo Kim
Summary: Satellite imagery-based solar irradiance mapping studies play a crucial role in large-scale solar energy assessments, but they are constrained by limited spatial resolution and accuracy. Efforts to improve map resolution and computational efficiency have been made, but a novel terrain correction method is still needed. This study proposes a new correction method that can quickly process massive amounts of data and enable real-time terrain correction.
Article
Thermodynamics
Kalaiselvan Narasimman, Vignesh Gopalan, A. K. Bakthavatsalam, P. V. Elumalai, Mohamed Iqbal Shajahan, Jee Joe Michael
Summary: Renewable energy sources, especially solar energy, have become increasingly important due to the growing energy demand of developing nations. This research focused on modeling a 5 MW grid-connected solar PV plant using various ANN networks to analyze the impact of environmental parameters on PV power generation. The Lavenberg-Mar-quardt model was found to be the most reliable for solar PV power prediction. The study also explored the effects of shading, geometrical conditions, and load conditions on energy production and consumption, ultimately identifying ways to optimize the plant's performance and achieve significant cost savings.
ENERGY CONVERSION AND MANAGEMENT
(2023)
Article
Computer Science, Interdisciplinary Applications
Wenjie Liu, Huade Guan, Hugo A. Gutierrez-Jurado, Eddie W. Banks, Xinguang He, Xinping Zhang
Summary: A double-shading transposition model (DST) is proposed to simulate the temporal and spatial distribution of solar radiation. The model performs well in simulating above- and under-canopy radiation and has potential applications in ecohydrological modelling and catchment management in mountainous areas.
ENVIRONMENTAL MODELLING & SOFTWARE
(2022)
Article
Construction & Building Technology
G. M. Moelich, J. E. van Zyl, N. Rabie, R. Combrinck
Summary: The study investigates the influence of solar radiation on evaporation, concrete temperature, plastic shrinkage, and cracking. Exposure to solar radiation can significantly increase the amount and rate of pore water loss as well as plastic shrinkage and severity of PSC. Several radiation-related evaporation estimation models have been evaluated for accuracy, and a more accurate model was identified for estimating evaporation in concrete specimens exposed to solar radiation.
CEMENT & CONCRETE COMPOSITES
(2021)
Article
Green & Sustainable Science & Technology
Khalid Almutairi, Pasura Aungkulanon, Salem Algarni, Talal Alqahtani, Seitkazy A. Keshuov
Summary: This study investigates the feasibility of implementing zero energy buildings in Muscat, Sultanate of Oman. Climate maps were created using raw climatic data from meteorological stations in the region, and surfaces with the highest solar energy were chosen. Special design elements such as thermal insulation and canopy were considered, and the number of solar panels needed was calculated. The modeling shows that installing PV panels as canopies can compensate for the energy shortage.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Geosciences, Multidisciplinary
Wenzong Dong, Hua Yuan, Ruqing Zhang, Hongmei Li, Lina Huang, Siguang Zhu, Jingman Peng, Yongjiu Dai
Summary: This study investigates the impact of varying leaf optical properties on land surface modeling, revealing significant differences in simulated albedo, radiation partition, sensible heat flux, and net radiation. The use of measured leaf optical properties can improve model accuracy in representing surface characteristics.
FRONTIERS IN EARTH SCIENCE
(2021)
Article
Energy & Fuels
Avi Aronescu, Joseph Appelbaum
Summary: This study analyzes the incident solar radiation on a general parabolic concave surface and finds that the difference in global irradiation for different surface orientations is not very wide.
Article
Construction & Building Technology
Jianxiu Wen, Yongxin Xie, Shiji Yang, Juan Yu, Borong Lin
Summary: This study evaluated and compared the impact of shading on the performance of window-transmitted solar radiation energy in different climates in China. The results showed that the energy-saving potential of shading intensified from northern to southern China, with west-facing windows performing best in terms of energy efficiency.
SUSTAINABLE CITIES AND SOCIETY
(2022)
Article
Environmental Sciences
Zlatica Popov, Zoltan Nagy, Gyorgyi Baranka, Tamas Weidinger
Summary: This paper discusses various procedures for calculating irradiation from routine weather measurements, comparing estimated and measured solar and net irradiance, investigating longwave irradiance, and recalculating net irradiance based on different radiation balance components. Statistical estimates and errors were compared for shortwave and longwave radiation components, using first-class radiation instruments in Hungary. Suggestions for net radiation parameterizations based on different radiation balance components were also provided.
Article
Geosciences, Multidisciplinary
J. G. Virgin, C. G. Fletcher
Summary: This study analyzes the impact of solar and CO2 forcings in the G1 experiment using models and finds that both forcings have a net positive effect on the energy balance at the top of the atmosphere, increasing the net G1 forcing. The main sources of positive adjustments come from stratospheric temperature and shortwave cloud adjustments, with reductions in boundary layer clouds causing the non-linear representation of net radiative adjustments in G1.
GEOPHYSICAL RESEARCH LETTERS
(2022)
Article
Thermodynamics
Om Prakash, Anil Kumar, Perapong Tekasakul, A. M. Abdel-Ghany, I. M. Al-Helal
HEAT TRANSFER RESEARCH
(2017)
Article
Energy & Fuels
Fahad N. Alkoaik, Ahmed M. Abdel-Ghany, Mohamed A. Rashwan, Ronnel B. Fulleros, Mansour N. Ibrahim
Article
Thermodynamics
A. M. Abdel-Ghany, I. M. Al-Helal, Anil Kumar, A. A. Alsadon, M. R. Shady, A. A. Ibrahim
INTERNATIONAL JOURNAL OF THERMOPHYSICS
(2018)
Article
Energy & Fuels
Fahad N. Alkoaik, Ahmed M. Abdel-Ghany, Ibrahim M. Al-Helal, Mohamed A. Rashwan, Ronnel B. Fulleros, Mansour N. Ibrahim
Article
Thermodynamics
A. M. Abdel-Ghany, I. M. Al-Helal, P. Picuno, M. F. Cidek, A. Al-Rebeh, M. R. Shady
INTERNATIONAL JOURNAL OF THERMOPHYSICS
(2019)
Article
Energy & Fuels
Ahmed Abdel-Ghany, Ibrahim Al-Helal, Fahad Alkoaik, Abdullah Alsadon, Mohamed Shady, Abdullah Ibrahim
Article
Energy & Fuels
Ibrahim Al-Helal, Abdullah Alsadon, Mohamed Shady, Abdullah Ibrahim, Ahmed Abdel-Ghany
Article
Agriculture, Multidisciplinary
Hesham A. Ahmed, Tong Yu-xin, Yang Qi-chang, Abdulellah A. Al-Faraj, Ahmed M. Abdel-Ghany
JOURNAL OF INTEGRATIVE AGRICULTURE
(2019)
Article
Green & Sustainable Science & Technology
Fahad Alkoaik, Abdulelah Al-Faraj, Ibrahim Al-Helal, Ronnel Fulleros, Mansour Ibrahim, Ahmed M. Abdel-Ghany
Article
Thermodynamics
H. A. Ahmed, T. Yu-xin, Y. Qi-chang, I. M. Al-Helal, M. R. Shady, A. M. Abdel-Ghany
INTERNATIONAL JOURNAL OF THERMOPHYSICS
(2020)
Article
Plant Sciences
Mohamed Rashwan, Fahad Alkoaik, Hesham Abdel-Razzak, Mansour Ibrahim, Ronnel Fulleros, Mohamed Shady, Ahmed Abdel-Ghany
JOURNAL OF PLANT NUTRITION
(2020)
Article
Environmental Sciences
Ibrahim Al-Helal, Abdullah Alsadon, Samy Marey, Abdullah Ibrahim, Mohamed Shady, Ahmed Abdel-Ghany
Summary: This study measures the underground temperature profile and determines the optimal conditions for using geothermal effects in heating and cooling applications in arid regions. It also examines the possibility of water vapor condensation in the pipes and quantifies the maximum cooling/heating capacity. The results provide useful information for designers using geothermal effects for indoor space cooling and heating in arid regions.
Article
Chemistry, Multidisciplinary
Ibrahim Al-Helal, Pietro Picuno, Abdullah A. Alsadon, Abdullah Ibrahim, Mohamed Shady, Ahmed M. Abdel-Ghany
Summary: The effect of greenhouse shape and orientation on the degradation rate of plastic cover optical properties was examined. Results show that different surfaces and orientations of the greenhouse can lead to a decrease in transmittance, but the overall degradation rate is similar.
APPLIED SCIENCES-BASEL
(2022)
Article
Energy & Fuels
Ahmed M. Abdel-Ghany, Ibrahim M. Al-Helal, Abdullah Alsadon, Abdullah Ibrahim, Mohamed Shady
Summary: This study provides a theoretical basis for using geothermal energy in the Arabian Peninsula desert to solve air conditioning and heating problems by measuring the changes in underground temperature. The results show that the underground temperature increases with depth and varies seasonally, and the use of earth-to-air heat exchangers can effectively utilize this temperature difference to solve the energy problem in this region.
Proceedings Paper
Agricultural Engineering
Dina Statuto, Pietro Picuno, Ahmed M. Abdel-Ghany
AKTUALNI ZADACI MEHANIZACIJE POLJOPRIVREDE: ZBORNIK RADOVA: ACTUAL TASKS ON AGRICULTURAL ENGINEERING. PROCEEDINGS
(2019)
Article
Energy & Fuels
Shahriyar Safat Dipta, Md Habibur Rahaman, Walia Binte Tarique, Ashraful Hossain Howlader, Ayush Pratik, John A. Stride, Ashraf Uddin
Summary: Implementing a double-sided passivation approach can enhance the performance of n-i-p structured PSCs and improve the stability and photovoltaic properties of the cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Daniel Ourinson, Andreas Brand, Andreas Lorenz, Marwan Dhamrin, Sebastian Tepner, Michael Linse, Nathalie Goettlicher, Kosuke Tsuji, Jonas D. Huyeng, Florian Clement
Summary: This work presents two approaches to reduce the amount of silver on the rear side of M2-sized industrial iTOPCon solar cells. The Cu-based approach shows promise with similar power conversion efficiency compared to the conventional approach, while the Al-based approach exhibits some limitations but demonstrates the potential of such type of contact for iTOPCon solar cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Abasifreke Ebong, Donald Intal, Sandra Huneycutt, Thad Druffel, Ruvini Dharmadasa, Kevin Elmer, Apolo Nambo
Summary: This study demonstrates the successful metallization of a PERC silicon solar cell using screen-printable copper (Cu) paste. The Cu paste contains antioxidant additives and diffusion inhibitors to prevent oxidation and diffusion of Cu. The Cu-printed cells achieved an efficiency of 19% and showed no Cu diffusion after characterization tests. The long-term stability and effectiveness of the Cu diffusion barrier were also confirmed.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Senami Zogbo, Wilfried Favre, Olivier Bonino, Marie-Estelle Gueunier-Farret
Summary: Measuring specific contact resistivity (pc) is crucial for interface engineering in high efficiency solar cells. The Transfer Length Method (TLM) is commonly used for evaluating layer sheet resistance (Rsheet) and pc, but it is not suitable for metal/Transparent Conductive Oxide (TCO) interface evaluation in silicon heterojunction (SHJ) cells. This study investigates the parameters that restrict current confinement within the TCO, including mid-gap trap density (Dit) at the a-Si:H/c-Si interface and the activation energy (Ea = Ec - EF) variation of a-Si:H contact layers.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Jean-Baptiste Charpentier, Philippe Voarino, Julien Gaume
Summary: The phenomenon of ribbon lengthening in PV modules exposed to thermal cycling is not well explained in the literature. In this study, a three layers model is proposed to explain this effect, and the predictions of the model are validated through finite element method simulations and experiments. The results show that the model predictions are consistent with the indirect measurements, but not with the direct measurements. Additionally, it is inferred that the encapsulant plays a role after the solder failure.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Jean-Baptiste Charpentier, Philippe Voarino, Julien Gaume
Summary: This study investigates the problematic ribbon lengthening observed in PV modules exposed to high amplitude thermal cycling. A simplified system model is proposed and accurate predictions are obtained using the Finite Element Method. The results show that the thickness of the encapsulant has a substantial impact on the lengthening of the ribbons.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
S. Catalan-Gomez, E. Martinez Castellano, M. Schwarz, M. Montes Bajo, L. Dorado Vargas, A. Gonzalo, A. Redondo-Cubero, A. Gallego Carro, A. Hierro, J. M. Ulloa
Summary: This study investigates the use of core-shell gallium nanoparticles as functional light scatterers on solar cells. By optimizing the nanoparticle size, the short-circuit current of the solar cells is significantly improved. The underlying physical mechanism is studied through optical measurements and simulations, and a method to reduce the plasmonic effect of the nanoparticles is demonstrated.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
M. Gamel, G. Lopez, A. M. Medrano, A. Jimenez, A. Datas, M. Garin, I. Martin
Summary: In this study, a highly reflective ohmic contact to p-type c-Ge material is demonstrated, which can improve the efficiency of thermophotovoltaic devices. The experimental results show that this contact can simultaneously meet the requirements of good back surface passivation, low electrical resistivity, and high reflectivity. Moreover, simulations suggest that implementing these back contacts has the potential to achieve conversion efficiencies comparable to high-efficiency c-Ge TPV cells.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Hongyang Wei, Qing Xu, Dongchu Chen, Min Chen, Menglei Chang, Xiufang Ye
Summary: This study prepared solar selective absorption films based on anodic aluminum oxide (AAO) photonic crystals using a unique electrodeposition method. The Co-Ag electrodeposited film exhibited superior solar selective absorption properties and thermal stability.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Ankit Kumar, Ankit Chauhan, Jordi Llobet, Helder Fonseca, Patricia C. Sousa, Carlos Calaza, Gil Shalev
Summary: This study found that decorating subwavelength arrays with SiO2 quasi-nanolenses (qNL arrays) can enhance the absorption of the solar spectrum. Optical absorption mechanisms in qNL arrays were investigated using near-field scanning optical microscopy (NSOM), revealing that the enhancement is a result of the combination of effective antireflection coating, increased optical interactions between adjacent dielectrics for elevated light trapping, and strong light concentration due to the presence of qNLs.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
S. Pingel, T. Wenzel, N. Goettlicher, M. Linse, L. Folcarelli, J. Schube, S. Hoffmann, S. Tepner, Y. C. Lau, J. Huyeng, A. Lorenz, F. Clement
Summary: This study demonstrates the potential to reduce silver consumption in highly efficient SHJ cells through fine-line screen printing using low temperature paste with various screens. The results show that using finer mesh allows for narrower grid fingers and lower resistance, leading to improved cell efficiency. Simulation results indicate that module wire configuration is crucial for reducing silver consumption.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Xibo He, Jun Qiu, Wei Wang, Yicheng Hou, Yong Shuai
Summary: This paper proposes a novel phase change material with high thermal conductivity and stability for fast photo-thermal conversion and storage. The experimental results demonstrate excellent durability and stability of the phase change material, with good performance in thermal conductivity and thermal storage efficiency.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Qingyuan Liu, Lin Wang, Zheng Liu, Guohua Liu
Summary: A new evaporating structure consisting of liquid marble with tunable nanowire array is proposed to enhance solar evaporation. The experiments show that the liquid marble with nanowire array exhibits outstanding evaporation performance, which has significant implications for seawater desalination or wastewater treatment.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
Hao Liu, Qiming Liu, Jinpei Liu, Yonggang Zhao, Yingjie Yu, Yue An, Ganghui Wei, Yanzheng Li, Yujun Fu, Junshuai Li, Deyan He
Summary: Moisture in the air is identified as the main cause of performance degradation in organic-inorganic hybrid solar cells. Exposure to air leads to the growth of thin oxide layer on the interface and the formation of silver sulfide, increasing the series resistance and decreasing the fill factor, thus degrading the cell performance.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)
Article
Energy & Fuels
E. Blanco, P. Martin, M. Dominguez, P. Fernandez-Palacios, I. Lombardero, C. Sanchez-Perez, I. Garcia, C. Algora, M. Gabas
Summary: This study addresses the lack of optical parameters for p-type Ge wafers by determining the complex refractive indices of commercial Ge wafers with varying doping levels. The obtained data successfully reproduces the critical points associated with interband transitions and absorption features below the bandgap. The refractive indices were validated through experimental measurements and solar cell simulations.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2024)