Review
Green & Sustainable Science & Technology
B. Anand, R. Shankar, S. Murugavelh, W. Rivera, K. Midhun Prasad, R. Nagarajan
Summary: This study reviews the integration of photovoltaic thermal collectors with desalination technologies, focusing on utilizing electricity and heat from the collector to reduce costs, primary energy consumption, and improve system performance. Future opportunities for improvement and exploration of photovoltaic thermal-driven desalination systems are discussed, along with the potential of using the collectors as energy sources for other desalination technologies. Comparative analysis shows that the overall performance of photovoltaic thermal coupled desalination systems is better than systems coupled with separate photovoltaic panels or solar thermal collectors.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Thermodynamics
Jae Won Lee, Min Soo Song, Han Sol Jung, Yong Tae Kang
Summary: This paper introduces a de-coupled photovoltaic-thermal (PVT) system with a solar radiation spectrum-controlled emulsion filter. The system selectively absorbs and transmits solar irradiance to a photovoltaic module using a liquid filter, converting non-electricity generating wavelengths into thermal energy. The emulsion filter, using fish oil, exhibits thermal stability and reduces the temperature of the PV module. The de-coupled PVT system with emulsion filter achieves a total energy efficiency of 84.4%, outperforming conventional PV systems and other PVT systems.
ENERGY CONVERSION AND MANAGEMENT
(2023)
Article
Green & Sustainable Science & Technology
Jianhui Li, Wei Zhang, Lingzhi Xie, Zihao Li, Xin Wu, Oufan Zhao, Jianmei Zhong, Xiding Zeng
Summary: A hybrid photovoltaic and thermal solar energy collector with integrated phase change material (PVT-PCM) has been developed for building energy integration. The system effectively controls temperature and utilizes heat, showing high overall efficiency and energy-saving potential. It is economically beneficial in low latitude areas and has broad prospects for optimization and development.
Review
Energy & Fuels
Awaneendra Kumar Tiwari, Kalyan Chatterjee, Sanjay Agrawal, Gyanendra Kumar Singh
Summary: Solar energy is a cost-effective, clean, free, and environmentally friendly alternative, and photovoltaic and thermal (PVT) energy systems are becoming more popular for their ability to generate electricity and heat at the same time. This paper provides a detailed overview of various aspects of PVT systems, including classifications, materials, and methodologies, and compares their performance parameters and improved efficiency. The study suggests that further research is needed to decrease the cost and enhance the effectiveness of such systems.
Article
Thermodynamics
Jianqing Lin, Huawei Liu, Xinyu Ju, Shunkai Liu, Chao Xu, Xing Ju
Summary: This paper investigates the influence of bubbles generated in an optical water filter on the optical and electrical performance of a liquid-based spectral splitting photovoltaic/thermal (PVT) system. Through numerical calculation and experimental verification, it is found that larger bubbles have a significant extinction effect on light transmission, resulting in a reduction in the photoelectric conversion efficiency.
APPLIED THERMAL ENGINEERING
(2022)
Article
Green & Sustainable Science & Technology
Mohammadjavad Khodadadi, M. Sheikholeslami
Summary: This paper reviews the influence of temperature on PV module and summarizes several studies related to photovoltaic/thermal (PVT) systems. It emphasizes the use of PCMs and nanofluids to maximize thermal energy and electricity. The paper also evaluates the exergy and uncertainty energy analysis, economic assessment, and environmental evaluation of PVT systems, and introduces their main applications.
SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS
(2022)
Article
Energy & Fuels
Longyu Xia, Gaosheng Wei, Gang Wang, Liu Cui, Xiaoze Du
Summary: A solar fiber optic lighting and photovoltaic power generation system based on spectral splitting technology (SSLP) is proposed and tested in this study. The system divides sunlight into different wave bands, using visible light for optical fiber illumination and near-infrared radiation for photovoltaic power generation. The experimental results showed that the system has an average lighting efficiency of 15.1% and an average power generation efficiency of 6.1%, with an overall average efficiency reaching 29.5%.
Article
Thermodynamics
Someshwar S. Bhakre, Pravin D. Sawarkar, Vilas R. Kalamkar
Summary: Researchers have explored the use of phase change materials (PCMs) in a passive water-based PVT/PCM system to cool down high operating temperature of photovoltaic (PV) panels and improve electrical efficiency. The study found that a water container thickness of 30 mm is the best arrangement, resulting in a significant decrease in PV panel temperature and increase in electrical efficiency.
APPLIED THERMAL ENGINEERING
(2023)
Article
Thermodynamics
Mohammad Firoozzadeh, Amir Hossein Shiravi, Marzieh Lotfi, Saule Aidarova, Altynay Sharipova
Summary: This study investigated the use of carbon black nanoparticles in water as a coolant for photovoltaic modules, finding that a concentration of 0.21 wt% of carbon black nanoparticles showed the best cooling performance, resulting in a 7% increase in output power compared to pure water coolant.
Article
Thermodynamics
Omer Ahmed Qureshi, Ansari Aadil Shahzad, Ahmer A. B. Baloch, Edwin Rodriguez-Ubinas, Juan David Barbosa, Vivian Alberts, Sgouris Sgouridis
Summary: The authors conducted a comparative parametric study to determine the most effective rear-side utilization method for photovoltaic modules. They found that using bifacial modules is the best way to increase electricity generation. The study also introduced a new parameter called critical bifaciality, which serves as a design rule for selecting bifacial system specifications based on climate and site conditions.
ENERGY CONVERSION AND MANAGEMENT
(2023)
Article
Polymer Science
Mi-Yun Jeong, Hyeon-Jong Choi, Keumcheol Kwak, Younghun Yu
Summary: The study presents a wavelength-tunable multifunctional optical device fabricated using UV-polymerizable cholesteric liquid crystals. The device shows excellent stability, versatility, and outstanding performance, making it suitable for various optical applications.
Article
Thermodynamics
Gang Wang, Botong Wang, Xipeng Yuan, Jianqing Lin, Zeshao Chen
Summary: The current study introduces a novel solar PV and thermal system that combines a linear Fresnel reflector concentrator with an ITO-EG nano-fluids optical filter, demonstrating good optical efficiency and adaptability. Experimental measurements and theoretical calculations show the PVT system has a photoelectric conversion efficiency of 29.6% and a thermal efficiency of 18.52%, with potential for improvement through parameter adjustments.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Thermodynamics
Afef Jannen, Monia Chaabane, Hatem Mhiri, Philippe Bournot
Summary: The exploitation of solar energy using hybrid photovoltaic/thermal (PVT) system is a feasible choice for meeting the increasing energy demand. This study evaluates different models of optical water filters (OWF) in photovoltaic systems and discusses their impact on the overall system performance. The results show that the integration of OWF can enhance the photovoltaic efficiency and thermal efficiency of the PVT system. Additionally, water-based nanofluid filters, particularly those with Au nanoparticles, are found to improve the performance of concentrated photovoltaic systems.
CASE STUDIES IN THERMAL ENGINEERING
(2022)
Article
Green & Sustainable Science & Technology
Mussad Alzahrani, Katie Shanks, Tapas K. Mallick
Summary: This article discusses the influence of temperature on CPVT components and the impact of increasing concentration ratio on system performance. It also reviews the advantages, disadvantages, and potential of current CPVT research.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Thermodynamics
Kadir Gelis, Kadir Ozbek, Omer Ozyurt, Ali Naci Celik
Summary: This study experimentally investigated the impact of different nanofluids on the electrical and thermal efficiencies of photovoltaic thermal (PVT) systems, and optimized the variables affecting the efficiency using the Taguchi method. The experiments were conducted on a developed PVT system under laboratory conditions. A novel partitioned cooler block was designed and used in order to increase the contact between the cooler block and the back surface of the PV panel, thus improving the PVT efficiency. The independent variables for the experiments included SiO2/Water, Al2O3/Water, and CuO/Water as different types of nanofluid, volumetric concentration, volumetric flow rate, and irradiance level.
APPLIED THERMAL ENGINEERING
(2023)
Article
Chemistry, Analytical
Yousef Alqurashi, Mohamed Elsherif, Asail Hendi, Khamis Essa, Haider Butt
Summary: A novel pH sensor based on a pH-responsive hydrogel has been developed, which measures pH by measuring the change in optical power of the sensor under different pH conditions. The sensor exhibits good performance.
Article
Polymer Science
Filmon Tsegay, Mohamed Elsherif, Haider Butt
Summary: Wounds can become chronic and even lead to mortality. However, 3D printed wound dressings loaded with various items such as antibiotics and antibacterial nanoparticles have emerged as a promising solution for accelerating wound healing.
Article
Chemistry, Multidisciplinary
Ahmed E. Salih, Mohamed Elsherif, Fahad Alam, Matteo Chiesa, Haider Butt
Summary: In this study, gold nanoparticles (GNPs) were functionalized with 3-mercaptopropionic acid (GNPs-MPA) and doped into hydrogel materials using the breathing-in/breathing-out (BI-BO) method. The pH-responsive optical and colorimetric properties of the GNPs-MPA solutions and gels were investigated through UV-Vis spectroscopy and microscopy. The results showed that the color of the solutions and gels changed from red to indigo with a decrease in pH, indicating their potential as pH-triggered sensors.
Article
Materials Science, Biomaterials
Ahmed E. Salih, Mohamed Elsherif, Fahad Alam, Bader Alqattan, Ali K. Yetisen, Haider Butt
Summary: Integration of nanomaterials into hydrogels is widely used in sensing, cancer therapy, and bone tissue engineering. In this study, gold and silver nanocomposite contact lenses were fabricated using a breathing-in/breathing-out method. The optical properties and stability of the nanocomposites were characterized, and the dispersion of nanoparticles within the lenses was determined. The results show that these nanocomposite lenses can be used for color filtering and antibacterial applications, and the fabrication method allows for the incorporation of nanoparticles with diverse morphologies.
ACS BIOMATERIALS SCIENCE & ENGINEERING
(2022)
Article
Biochemistry & Molecular Biology
Filmon Tsegay, Muhammed Hisham, Mohamed Elsherif, Andreas Schiffer, Haider Butt
Summary: The benefits of enclosing pH sensors into wound dressings include treatment monitoring of wounded skin and early detection of developing chronic conditions, especially for diabetic patients. A 3D printed re-entrant auxetic hydrogel wound dressing, doped with pH indicator phenol red dye, was developed and characterized. The integration of color-changing pH indicators allows patients to monitor the wound's healing process using a smartphone.
Article
Computer Science, Artificial Intelligence
Yuanjie Xia, Mohamed Khamis, F. Anibal Fernandez, Hadi Heidari, Haider Butt, Zubair Ahmed, Tim Wilkinson, Rami Ghannam
Summary: Recent advances in microelectronics and nanofabrication on flexible substrates have enabled contact lenses to be used for a range of human-machine interaction applications. A systematic review reveals that smart contact lenses can display information, detect eye movements, restore vision, and detect biomarkers in tear fluid. The study also classifies literature on smart contact lenses and speculates on their challenges and opportunities for HMI, providing guidelines for future design.
IEEE TRANSACTIONS ON HUMAN-MACHINE SYSTEMS
(2023)
Review
Energy & Fuels
Hussam Almukhtar, Tek Tjing Lie, Wisam A. M. Al-Shohani, Timothy Anderson, Zaid Al-Tameemi
Summary: This study provides a comprehensive review of the impact of dust characteristics on PV systems and emphasizes the need for further research to improve efficiency and lifespan.
Review
Materials Science, Multidisciplinary
Mujeeb Kareem, Taofeeqah Agbaje, Fahad Alam, Haider Butt
Summary: Smart contact lenses are developed to sense and treat diseases like intraocular pressure and glaucoma using tear fluid. This report reviews the processing of thin films to develop functional characteristics for their application in smart contact lenses. It discusses the types of thin films used, as well as various applications, from historical developments to the latest technologies related to thin films in smart contact lenses. Lastly, it presents challenges with contact lenses and improvements using thin films to overcome these challenges.
ADVANCED ENGINEERING MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Israr Ahmed, Mohamed Elsherif, Murad Ali, Amal Al Ghaferi, Baker Mohammad, Haider Butt
Summary: Diabetes is a leading cause of death worldwide. Developing low-cost, rapid, and reusable sensors can provide a solution for continuous glucose monitoring to reduce the potentially fatal complications of diabetes. In this study, Phenylboronic acid (PBA)-based hydrogel sensors with embedded photonic nanostructures were developed for rapid and continuous glucose quantification within the physiological range.
MATERIALS & DESIGN
(2023)
Article
Energy & Fuels
Hussam Almukhtar, Tek Tjing Lie, Wisam A. M. Al-Shohani
Summary: This article presents a comprehensive assessment of the impact of dust on PV module temperature through a combination of experiments and a novel mathematical model. The model improves accuracy in temperature estimation and is validated through outdoor experiments.
Article
Chemistry, Analytical
Israr Ahmed, Murad Ali, Haider Butt
Summary: This study used diffusive reflection spectroscopy to investigate the effect of probe pressure on human skin and nails. The findings showed that different tissues have specific responses to pressure, and the intensity of the oxyhemoglobin peak varies with different skin tones. The results have important implications for relevant applications.
Article
Materials Science, Biomaterials
Muhammed Hisham, Ahmed E. E. Salih, Haider Butt
Summary: 3D printing of multimaterial objects is a promising field with various applications. In this study, multimaterial contact lenses were produced using vat photopolymerization-based 3D printing, offering enhanced optical filtration for tackling ocular conditions like color blindness.
ACS BIOMATERIALS SCIENCE & ENGINEERING
(2023)
Article
Thermodynamics
Layth Thamer Zubairi, Merdin Danismaz, Nabil J. Yasin, Wisam A. M. Al-Shohani
Summary: This study evaluates the performance of a dual-flow solar air heater equipped with three types of absorber plates. The results show that the thermal efficiencies vary depending on the airflow rate and the configuration of the absorber plates. The direction of the airflow also affects the thermal efficiency.
INTERNATIONAL JOURNAL OF HEAT AND TECHNOLOGY
(2023)
Article
Physics, Fluids & Plasmas
Hassan J. Dakkama, Ahmed Jawad Khaleel, Ahmed Qasim Ahmed, Wisam A. M. Al-Shohani, Hayder M. B. Obaida
Summary: This article numerically studies the influence of splitting a local underfloor air distribution system (UFAD) on indoor thermal comfort. The results show that using the splitting UFAD concept can achieve acceptable indoor thermal comfort and reduce energy demand.
Article
Chemistry, Physical
Murad Ali, Fahad Alam, Haider Butt
Summary: The ongoing advancements in additive manufacturing (AM) techniques are transforming the production of 3D parts, particularly with the rapid, efficient, and cost-effective nature of 3D printing. Researchers have successfully fabricated five-dimensional (5D) Fresnel lenses using masked stereolithography (MSLA) and incorporating thermochromic powder and diffraction gratings. These lenses demonstrate good optical focusing performance in the visible light wavelength range, with some deviation in the near infrared region. This study presents promising applications in the field of optical components.
Article
Thermodynamics
Pengcheng Zhao, Jingang Wang, Liming Sun, Yun Li, Haiting Xia, Wei He
Summary: The production of green hydrogen through water electrolysis is crucial for renewable energy utilization and decarbonization. This research explores the optimal electrode configuration and system design of compactly-assembled industrial electrolyzer. The findings provide valuable insights for industrial application of water electrolysis equipment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
V. Baiju, P. Abhishek, S. Harikrishnan
Summary: Thermally driven adsorption desalination systems (ADS) have gained attention as an eco-friendly solution for water scarcity. However, they face challenges related to low water productivity and scalability. To overcome these challenges, integrating ADS with other desalination technologies can create a small-scale hybrid system. This study proposes integrating ADS with a Thermo Electric Dehumidification (TED) unit to enhance its performance.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
C. X. He, Y. H. Liu, X. Y. Huang, S. B. Wan, Q. Chen, J. Sun, T. S. Zhao
Summary: A decentralized centroid multi-path RC network model is constructed to improve the temperature prediction accuracy compared to traditional RC models. By incorporating multiple heat flow paths and decentralizing thermal capacity, a more accurate prediction is achieved.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chaoying Li, Meng Wang, Nana Li, Di Gu, Chao Yan, Dandan Yuan, Hong Jiang, Baohui Wang, Xirui Wang
Summary: There is an urgent need to shift away from heavy dependence on fossil fuels and embrace renewable energy sources, particularly in the energy-intensive oil refining process. This study presents an innovative concept called the Solar Oil Refinery, which applies solar energy in oil refining. A solar multi-energies-driven hybrid chemical oil refining system that utilizes solar pyrolysis and electrolysis has been developed, significantly improving solar utilization efficiency, cracking rate, and hydrogen yield.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Chao Ma, Guanghui Wang, Dingbiao Wang, Xu Peng, Yushen Yang, Xinxin Liu, Chongrui Yang, Jiaheng Chen
Summary: This study proposes a bio-inspired fish-tail wind rotor to improve the wind power efficiency of the traditional Savonius rotor. Through transient simulations and orthogonal experiments, the key factors affecting the performance are identified. A response surface model is constructed to optimize the power coefficient, resulting in an improvement of 9.4% and 6.6% compared to the Savonius rotor.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sina Bahmanziari, Abbas-Ali Zamani
Summary: This paper proposes a new framework for improving electrical energy harvesting from piezoelectric smart tiles through a combination of magnetic plucking, mechanical impact, and mechanical vibration force mechanisms. Experimental results demonstrate a significant increase in energy yield and average energy harvesting time compared to other mechanisms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Nanjiang Dong, Tao Zhang, Rui Wang
Summary: This study establishes a multiobjective mixed-variable configuration optimization model for a comprehensive combined cooling, heating, and power energy system, and proposes an efficient generating operator to optimize this model. The experimental results show that the proposed algorithm performs better than other state-of-the-art algorithms.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Ahmed E. Mansy, Eman A. El Desouky, Tarek H. Taha, M. A. Abu-Saied, Hamada El-Gendi, Ranya A. Amer, Zhen-Yu Tian
Summary: This study aims to convert office paper waste into bioethanol through a sustainable pathway. The results show that physiochemical and enzymatic hydrolysis of the waste can yield a high glucose concentration. The optimal conditions were determined using the Box-Behnken design, and a blended membrane was used for ethanol purification.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Sven Klute, Marcus Budt, Mathias van Beek, Christian Doetsch
Summary: Heat pumps are crucial for decarbonizing heat supply, and steam generating heat pumps have the potential to decarbonize the industrial sector. This paper presents the current state, technical and economic data, and modeling principles of steam generating heat pumps.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Le Zhang, To-Hung Tsui, Yen Wah Tong, Pruk Aggarangsi, Ronghou Liu
Summary: This study investigates the effectiveness of a current-carrying-coil-based magnetic field in promoting anaerobic digestion of chicken manure. The results show that the applied magnetic field increases methane yield, decreases carbon dioxide production, and reduces the concentration of ammonia nitrogen. Microbial community analysis reveals the enrichment of certain methanogenic genera and enhanced metabolic pathways. Pilot-scale experiments confirm the technical effectiveness of the magnetic field assistance in enhancing anaerobic digestion of chicken manure.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Bo Chen, Ruiqing Ma, Yang Zhou, Rui Ma, Wentao Jiang, Fan Yang
Summary: This paper presents an advanced energy management strategy for fuel cell hybrid electric heavy-duty vehicles, focusing on speed planning and energy allocation. By utilizing predictive co-optimization control, this strategy ensures safe inter-vehicle distance and minimizes energy demand. Simulation results demonstrate the effectiveness of the proposed method in reducing fuel cell degradation cost and overall operation cost.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Fabio Fatigati, Roberto Cipollone
Summary: Organic Rankine Cycle-based microcogeneration systems that use solar sources to generate electricity and hot water can help reduce CO2 emissions in residential energy-intensive sectors. The adoption of a recuperative heat exchanger in these systems improves efficiency, reduces thermal power requirements, and saves on electricity costs.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Lipeng He, Renwen Liu, Xuejin Liu, Xiaotian Zheng, Limin Zhang, Jieqiong Lin
Summary: This research proposes a piezoelectric-electromagnetic hybrid energy harvester (PEHEH) for low-frequency wave motion and self-sensing wave environment monitoring. The PEHEH shows promising power output and the ability to self-power and self-sense the wave environment.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Shangling Chu, Yang Liu, Zipeng Xu, Heng Zhang, Haiping Chen, Dan Gao
Summary: This paper studies a distributed energy system integrated with solar and natural gas, analyzes the impact of different parameters on its energy utilization and emissions reduction, and obtains the optimal solution through an optimization algorithm. The results show that compared to traditional separation production systems, this integrated system achieves higher energy utilization and greater reduction in carbon emissions.
ENERGY CONVERSION AND MANAGEMENT
(2024)
Article
Thermodynamics
Qingpu Li, Yaqi Ding, Guangming Chen, Yongmei Xuan, Neng Gao, Nian Li, Xinyue Hao
Summary: This paper proposes and studies a piston-type thermally-driven pump with a structure similar to a linear compressor, aiming to eliminate the high-quality energy consumption of existing pumps and replace mechanical pumps. The coupling mechanism of working fluid flow and element dimension is analyzed based on force analysis, and experimental data analysis is used to determine the pump operation stroke. Theoretical simulation is conducted to analyze the correlation mechanism of the piston assembly. The research shows that the thermally-driven pump can greatly reduce power consumption and has potential for industrial applications.
ENERGY CONVERSION AND MANAGEMENT
(2024)
