Article
Green & Sustainable Science & Technology
Oveepsa Chakraborty, Sujit Roy, Biplab Das, Rajat Gupta
Summary: The study finds that a parabolic solar trough collector with a helical absorber tube performs better in terms of heat transfer rate, efficiency, and exergy efficiency compared to traditional collectors with smooth absorber tubes. The presence of a helical absorber tube increases the net surface area of the absorber, leading to a significant enhancement in useful heat transfer rate. Overall efficiencies are 3.5%-10% higher for the helical absorber tube based PTC, showing the advantages of this design over the traditional smooth absorber tube design.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Energy & Fuels
Qiliang Wang, Yao Yao, Zhicheng Shen, Hongxing Yang
Summary: A novel parabolic trough collector-photovoltaic (PTC-PV) system is proposed to enhance the thermal performance and solar utilization efficiency. Mathematical models are established and experiments are conducted to validate the superior performance of the hybrid PTC-PV system.
Review
Environmental Studies
Oveepsa Chakraborty, Sujit Roy, Biplab K. Debnath, Sushant Negi, Marc A. Rosen, Sadegh Safari, Mamdouh El Haj Assad, Rajat Gupta, Biplab Das
Summary: This study provides a comprehensive review of parabolic trough collectors (PTCs) from the perspective of design and thermal characteristics. It explores the use of nanofluids and inserts to enhance PTC performance and proposes recommendations for future research.
ENERGY & ENVIRONMENT
(2023)
Article
Green & Sustainable Science & Technology
Haci Parlamis, Ekrem Ozden, Mahmut Sami Buker
Summary: Experimental testing of a PTAC with helical screw tape insertion showed significant improvement in efficiency and heat transfer performance. The temperature rise improvement ranged from 56% to 71%, validating the potential of helical screw tape insert in enhancing heat exchange.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2021)
Article
Multidisciplinary Sciences
Mohamed Mahran Kasem
Summary: This study presents a novel multi-objective optimization model for the design optimization of PTCs, with thermal and exergetic efficiencies being the primary performance indicators. The optimization model effectively maximizes both thermal and exergetic efficiencies, with water and helium achieving the highest optimal values, respectively.
SCIENTIFIC REPORTS
(2022)
Article
Green & Sustainable Science & Technology
Hossein Amiri, Mohammad Aminy, Marzieh Lotfi, Behzad Jafarbeglo
Summary: By developing a theoretical model and comparing it with experimental results, the study demonstrates the performance differences of the new solar still in different seasons, with a yield of over 55% higher in summer compared to winter.
Article
Thermodynamics
Bhargav H. Upadhyay, Amitkumar J. Patel, Kishor Kumar Sadasivuni, J. M. Mistry, P. Ramana, Hitesh Panchal, Deepalekshmi Ponnamma, F. A. Essa
Summary: The primary objective of this experimentation is to develop and evaluate indigenous PTC capable of producing hot water for low-temperature applications. A new parabolic trough collector is designed and tested with three different attachments, showing that Automatic tracking yielded the highest efficiency. Economic analysis was carried out for all three PTC systems, with payback periods equivalent to 4-5 years. The experiment took place in March 2020 in Godhra, Gujarat, India.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Thermodynamics
Anubhav Goel, Gaurav Manik
Summary: By optimizing the geometric and design parameters of PTSC, it is possible to increase efficiency and decrease the cost of heat energy. Changing design parameters such as HTF, absorber material, and SSAC types have a significant impact on the thermal performance and cost of PTSC. A multi-objective genetic algorithm is used to find the optimal configuration of design parameters and geometric specifications for PTSC. Improvements of 4% or more in efficiency and a reduction of 5% or more in cost are achieved through optimized geometric dimensions.
THERMAL SCIENCE AND ENGINEERING PROGRESS
(2023)
Article
Thermodynamics
Ibtissem Saddouri, Oussama Rejeb, Djaffar Semmar, Abdelmajid Jemni
Summary: In this study, solar energy was converted into thermal energy using a parabolic through collector (PTC) and investigated the performance of PTC collector using hybrid nanofluids. The results showed that increasing nanoparticle concentration improved the performance of the PTC collector, and the 1.5% MWCNT/1.5% Al2O3-water hybrid nanofluid was found to be the optimal cooling fluid.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2023)
Article
Green & Sustainable Science & Technology
Hussein A. Mohammed, Hari B. Vuthaluru, Shaomin Liu
Summary: This article presents a numerical analysis on the thermohydraulic and thermodynamic performance of a parabolic trough solar collector receiver tube equipped with wavy promoters. The results show that the utilization of wavy promoters inside the PTSC's receiver tube can significantly augment the thermal performance, thereby increasing the overall thermal efficiency.
Article
Engineering, Chemical
Hussein A. Mohammed, Hari B. Vuthaluru, Shaomin Liu
Summary: The study focused on the thermal-hydraulic performance of a PTSC receiver's tube equipped with conical turbulators, aiming to enhance thermal efficiency by using new advanced coolants. The findings showed that using Ag-SWCNT/Syltherm oil significantly augmented the thermal performance, leading to increased thermal and exergetic efficiencies.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2021)
Article
Energy & Fuels
Santosh Kumar Singh, Arun Kumar Tiwari, H. K. Paliwal
Summary: This study aims to enhance the performance of parabolic trough collectors (PTCs) used in various industrial applications. By using synthetic aromatic fluids with hybrid nanoparticles, the thermal efficiency and heat transfer in PTC systems can be improved. The findings of the study reveal significant enhancements in thermal efficiency and heat transfer coefficient using the hybrid nanofluid compared to the base fluids.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2023)
Article
Environmental Sciences
O. Chakraborty, S. Roy, B. Das, R. Gupta
Summary: The objective of this study is to analyze the thermal performances of a parabolic trough solar collector with a helical coil-insert inside the collector tube. The study finds that increasing the number of coil turns can improve the thermal efficiency and exergy efficiency of the collector, but also increases the pump work.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
(2023)
Article
Mechanics
Zhanguo Su, Liguang Li, Junyan Meng, Yipping Su, Yuzhong Yao, Reza Alayi
Summary: The use of solar technologies is expanding due to accessibility and ease of integration with other systems. Concentrating solar radiation in specific areas can overcome low radiation density issues. Renewable energy faces challenges in providing continuous power supply, which can be solved using a gas microturbine system. This research investigates a hybrid gas microturbine system with a linear parabolic concentrator collector to supply thermal and electrical energy to a sports stadium. Thermodynamic modeling and evaluation of key parameters were conducted to assess power production. Notable findings include a 0.1% decrease in mechanical power with a 5℃ increase in ambient temperature, and a 3% increase in electrical and mechanical efficiencies with an annual radiation intensity of 1100 W/m(2).
Article
Energy & Fuels
Murtadha Zahi Khattar, Mohammad Mahdi Heyhat
Summary: The study comprehensively analyzed a direct absorption parabolic trough solar collector (DAPTC) with porous foam inserts in terms of exergy, economic, and environmental aspects. Results showed that fully filling the absorber tube with porous foam can improve exergy efficiency and reduce energy consumption and CO2 emissions.
Article
Chemistry, Physical
Ismail Benabdallah, Abdelkader Kara, Mohammed Benaissa
APPLIED SURFACE SCIENCE
(2020)
Article
Physics, Applied
M. Benaissa, R. El Bouayadi, D. Ihiawakrim, O. Ersen
JOURNAL OF APPLIED PHYSICS
(2020)
Article
Green & Sustainable Science & Technology
A. Faddouli, H. Labrim, S. Fadili, A. Habchi, B. Hartiti, M. Benaissa, M. Hajji, H. EZ-Zahraouy, E. Ntsoenzok, A. Benyoussef
Article
Physics, Applied
A. Sibari, Z. Kerrami, A. Kara, M. Benaissa
JOURNAL OF APPLIED PHYSICS
(2020)
Article
Materials Science, Multidisciplinary
I. Benabdallah, Y. Auad, W. Sigle, P. A. van Aken, M. Kociak, M. Benaissa
Summary: This study utilizes monochromated low-loss electron energy-loss spectroscopy to investigate the bandgap and exciton energies of black phosphorus flakes in the near infrared region. The research successfully demonstrates the ability of this technique to reveal unprecedented electronic and excitonic transitions in very narrow bandgap semiconductors.
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
(2021)
Article
Chemistry, Physical
Hind El Masaoudi, Ismail Benabdallah, Boujemaa Jaber, Mohammed Benaissa
Summary: In this study, Cu-doped Ag3PO4 nanoparticles were found to have a reduced optical bandgap, leading to enhanced photocatalytic degradation of Rhodamine-B under visible light. The introduction of Cu changed the crystal structure and optical properties of the nanoparticles, making them promising for solar energy applications.
Article
Materials Science, Multidisciplinary
W. Azouzi, I Benabdallah, A. Sibari, H. Labrim, M. Benaissa
Summary: The maximum solar conversion efficiency is achieved at a bandgap of 1.34 eV, and incorporating Vanadium in the LaFeO3 structure can significantly improve absorption capabilities, especially in the 1-eV to 2-eV range, leading to a higher solar conversion efficiency. The complex refractive index n(omega) is also improved for x-values superior to 0.25, indicating enhanced solar irradiation absorption for electron-hole pair creation in photovoltaic applications.
MATERIALS TODAY COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Amina Tahri, Mohsine Bouya, Mokhtar Ghazouani, Ouafae Achak, Tarik Chafik
Summary: This study investigates the possibility of minimizing energy consumption during 35/50 bitumen storage by testing dynamic temperature and room temperature storage processes. The results show that storing 35/50 bitumen at room temperature conditions can save more than three times the energy needs compared to standard configurations.
APPLIED SCIENCES-BASEL
(2021)
Article
Computer Science, Information Systems
Achraf Haibi, Kenza Oufaska, Khalid El Yassini, Mohammed Boulmalf, Mohsine Bouya
Summary: This study conducted a systematic mapping study on radio frequency identification (RFID) research over the past two decades. The results showed a continuous rise in RFID research activities globally, with opportunities in new areas such as IoT applications and Industry 4.0. However, there is still a lack of research on the middleware component of RFID systems, indicating the need for further exploration. The study also highlighted challenges and provided feasible recommendations for future research in the RFID domain.
Article
Computer Science, Artificial Intelligence
Mustapha Maimouni, Badr Abou El Majd, Mohsine Bouya
Summary: Radio frequency identification (RFID) is a wireless technology used for automatic identification and tracking of objects within a certain range. This research introduces a hybrid approach based on artificial intelligence algorithms to optimize RFID network planning (RNP), resulting in efficient and cost-effective deployment of the RFID system.
CONNECTION SCIENCE
(2022)
Article
Energy & Fuels
Amina Tahri, Mohsine Bouya, Mokhtar Ghazouani, Ouafae Achak, Tarik Chafik, Khalid El Azdi, Sanae Boughanbour
Summary: This study investigates the effect of thermal fluctuations caused by solar energy usage in bitumen storage in Rabat, Morocco. The results show that short-term storage and thermal fluctuations improve the rheological performance of bitumen, while long-term storage may lead to oxidation damage. Therefore, the use of solar energy in bitumen storage is feasible as long as long storage periods and high temperatures are avoided.
Proceedings Paper
Engineering, Electrical & Electronic
Mustapha Maimouni, Badr Abou El Majd, Mohsine Bouya
Summary: In many areas, connecting physical objects to the internet has become a necessary requirement. One important technology in the Internet of Things (IoT) is radio-frequency identification (RFID). This paper aims to solve the RFID network planning problem using a hybrid approach based on artificial neural networks and the redundant antenna elimination algorithm RAE, and the results show its effectiveness.
PROCEEDINGS OF THE 2022 21ST MEDITERRANEAN MICROWAVE SYMPOSIUM (MMS 2022)
(2022)
Proceedings Paper
Engineering, Electrical & Electronic
Achraf Haibi, Kenza Oufaska, Mohsine Bouya, Khalid El Yassini, Mohammed Boulmalf
Summary: This article presents a scoping review of the RFID technology field. By analyzing 219 primary studies, it provides an overview of the current research status in this area and identifies future research directions and gaps.
PROCEEDINGS OF THE 2022 21ST MEDITERRANEAN MICROWAVE SYMPOSIUM (MMS 2022)
(2022)
Article
Energy & Fuels
Mokhtar Ghazouani, Mohsine Bouya, Mohammed Benaissa, Kamal Anoune, Mohamed Ghazi
Article
Green & Sustainable Science & Technology
Cameron Bracken, Nathalie Voisin, Casey D. Burleyson, Allison M. Campbell, Z. Jason Hou, Daniel Broman
Summary: This study presents a methodology and dataset for examining compound wind and solar energy droughts, as well as the first standardized benchmark of energy droughts across the Continental United States (CONUS) for a 2020 infrastructure. The results show that compound wind and solar droughts have distinct spatial and temporal patterns across the CONUS, and the characteristics of energy droughts are regional. The study also finds that compound high load events occur more often during compound wind and solar droughts than expected.
Article
Green & Sustainable Science & Technology
Ning Zhang, Yanghao Yu, Jiawei Wu, Ershun Du, Shuming Zhang, Jinyu Xiao
Summary: This paper provides insights into the optimal configuration of CSP plants with different penetrations of wind power by proposing an unconstrained optimization model. The results suggest that large solar multiples and TES are preferred in order to maximize profit, especially when combined with high penetrations of wind and photovoltaic plants. Additionally, the study demonstrates the economy and feasibility of installing electric heaters (EH) in CSP plants, which show a linear correlation with the penetration of variable energy resources.
Article
Green & Sustainable Science & Technology
M. Szubel, K. Papis-Fraczek, S. Podlasek
Article
Green & Sustainable Science & Technology
J. Silva, J. C. Goncalves, C. Rocha, J. Vilaca, L. M. Madeira
Summary: This study investigated the methanation of CO2 in biogas and compared two different methanation reactors. The results showed that the cooled reactor without CO2 separation achieved a CO2 conversion rate of 91.8%, while the adiabatic reactors achieved conversion rates of 59.6% and 67.2%, resulting in an overall conversion rate of 93.0%. Economic analysis revealed negative net present worth values, indicating the need for government monetary incentives.
Article
Green & Sustainable Science & Technology
Yang Liu, Yonglan Xi, Xiaomei Ye, Yingpeng Zhang, Chengcheng Wang, Zhaoyan Jia, Chunhui Cao, Ting Han, Jing Du, Xiangping Kong, Zhongbing Chen
Summary: This study investigated the effect of using nanofiber membrane composites containing Prussian blue-like compound nanoparticles (PNPs) to relieve ammonia nitrogen inhibition of rural organic household waste during high-solid anaerobic digestion and increase methane production. The results showed that adding NMCs with 15% PNPs can lower the concentrations of volatile fatty acids and ammonia nitrogen, and increase methane yield.
Article
Green & Sustainable Science & Technology
Zhong Ge, Xiaodong Wang, Jian Li, Jian Xu, Jianbin Xie, Zhiyong Xie, Ruiqu Ma
Summary: This study evaluates the thermodynamic, exergy, and economic performance of a double-stage organic flash cycle (DOFC) using ten eco-friendly hydrofluoroolefins. The influences of key parameters on performance are analyzed, and the advantages of DOFC over single-stage type are quantified.
Article
Green & Sustainable Science & Technology
Nicolas Kirchner-Bossi, Fernando Porte-Agel
Summary: This study investigates the optimization of power density in wind farms and its sensitivity to the available area size. A novel genetic algorithm (PDGA) is introduced to optimize power density and turbine layout. The results show that the PDGA-driven solutions significantly reduce the levelized cost of energy (LCOE) compared to the default layout, and exhibit a convex relationship between area and LCOE or power density.
Article
Green & Sustainable Science & Technology
Chunxiao Zhang, Dongdong Li, Lin Wang, Qingpo Yang, Yutao Guo, Wei Zhang, Chao Shen, Jihong Pu
Summary: In this study, a novel reversible liquid-filled energy-saving window that effectively regulates indoor solar radiation heat gain is proposed. Experimental results show that this window can effectively reduce indoor temperature during both summer and winter seasons, while having minimal impact on indoor illuminance.
Article
Green & Sustainable Science & Technology
Alessandro L. Aguiar, Martinho Marta-Almeida, Mauro Cirano, Janini Pereira, Leticia Cotrim da Cunha
Summary: This study analyzed the Brazilian Equatorial Shelf using a high-resolution ocean model and found significant tidal variations in the area. Several hypothetical barrages were proposed with higher annual power generation than existing barrages. The study also evaluated the installation effort of these barrages.
Article
Green & Sustainable Science & Technology
Francesco Superchi, Nathan Giovannini, Antonis Moustakis, George Pechlivanoglou, Alessandro Bianchini
Summary: This study focuses on the optimization of a hybrid power station on the Tilos island in Greece, aiming to increase energy export and revenue by optimizing energy fluxes. Different scenarios are proposed to examine the impact of different agreements with the grid operator on the optimal solution.
Article
Green & Sustainable Science & Technology
Peimaneh Shirazi, Amirmohammad Behzadi, Pouria Ahmadi, Sasan Sadrizadeh
Summary: This research presents two novel energy production/storage/usage systems to reduce energy consumption and environmental effects in buildings. A biomass-fired model and a solar-driven system integrated with photovoltaic thermal (PVT) panels and a heat pump were designed and assessed. The results indicate that the solar-based system has an acceptable energy cost and the PVT-based system with a heat pump is environmentally superior. The biomass-fired system shows excellent efficiency.
Article
Green & Sustainable Science & Technology
Zihao Qi, Yingling Cai, Yunxiang Cui
Summary: This study aims to investigate the operational characteristics of the solar-ground source heat pump system (SGSHPS) in Shanghai under different operation modes. It concludes that tandem operation mode 1 is the optimal mode for winter operation in terms of energy efficiency.
Article
Green & Sustainable Science & Technology
L. Bartolucci, S. Cordiner, A. Di Carlo, A. Gallifuoco, P. Mele, V. Mulone
Summary: Spent coffee grounds are a valuable biogenic waste that can be used as a source of biofuels and valuable chemicals through pyrolysis and solvent extraction processes. The study found that heavy organic bio-oil derived from coffee grounds can be used as a carbon-rich biofuel, while solvent extraction can extract xantines and p-benzoquinone, which are important chemicals for various industries. The results highlight the promising potential of solvent extraction in improving the economic viability of coffee grounds pyrolysis-based biorefineries.
Article
Green & Sustainable Science & Technology
Luiza de Queiroz Correa, Diego Bagnis, Pedro Rabelo Melo Franco, Esly Ferreira da Costa Junior, Andrea Oliveira Souza da Costa
Summary: Building-integrated photovoltaics, especially organic solar technology, are important for reducing greenhouse gas emissions in the building sector. This study analyzed the performance of organic panels laminated in glass in a vertical installation in Latin America. Results showed that glass lamination and vertical orientation preserved the panels' performance and led to higher energy generation in winter.
Article
Green & Sustainable Science & Technology
Zhipei Hu, Shuo Jiang, Zhigao Sun, Jun Li
Summary: This study proposes innovative fin arrangements to enhance the thermal performance of latent heat storage units. Through optimization of fin distribution and prediction of transient melting behaviors, it is found that fin structures significantly influence heat transfer characteristics and melting behaviors.