4.7 Review

Photovoltaic-thermal systems applications as dryer for agriculture sector: A review

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Review Chemistry, Multidisciplinary

Thermal Conductivity Enhancement of Metal Oxide Nanofluids: A Critical Review

Humaira Yasmin et al.

Summary: Researchers have developed nanofluids as advanced thermal fluids to improve thermal performance compared to traditional thermal fluids. This paper reviews the thermal conductivity enhancement of metal oxide nanofluids and analyzes the effects of various parameters. Electric and magnetic fields have been found to effectively enhance the thermal conductivity of metal oxide nanofluids, with further studies recommended. The formulation of sustainable and future thermal fluids, such as green nanofluids and base fluids, is also suggested.

NANOMATERIALS (2023)

Article Energy & Fuels

Evaluation of thermal management of photovoltaic solar cell via hybrid cooling system of phase change material inclusion hybrid nanoparticles coupled with flat heat pipe

Ramadan Gad et al.

Summary: This study evaluates the thermal regulation of photovoltaic solar cells using a hybrid cooling system of flat heat pipes (HP) and phase change material (PCM), with and without hybrid nanoparticles. The evaluation is based on energetic, exergetic, economic, and environmental approaches. Results show that the HP-PCM cooling system outperforms natural solar panel cooling and the use of hybrid nanoparticles further enhances its performance. The proposed cooling system achieves significant reductions in operating temperature and improvements in solar panel efficiency compared to conventional systems. Additionally, the hybrid cooling system exhibits higher energy and exergy efficiency, as well as lower production costs, making it more effective and sustainable.

JOURNAL OF ENERGY STORAGE (2023)

Article Engineering, Multidisciplinary

Nanofluids stability on amino-silane and polymers coating titanium dioxide and zinc oxide nanoparticles

Anis Arisa Roslan et al.

Summary: Despite the unclear formulation methodology, the nanofluids technology has shown continuous advancement in recent decades. This paper provides a deeper understanding of nanoparticles and nanofluids synthesis methods, focusing on surface modification as an alternative to enhance nanofluid stability. A comprehensive formulation design guideline is presented, considering temperature, crystal growth duration, nanoparticles concentration, pH, and nanofluid synthesis method, to obtain stable titanium dioxide (TiO2) and zinc oxide (Zn0) nanofluids. The compatibility of polymers, including polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), and an amino-silane (3-Aminopropyl) triethoxysilane (APTES), with the synthesized nanoparticles is evaluated. The findings reveal that TiO2-PVP and ZnO-PEG are compatible polymer-nanoparticle composites, with zeta potential values of 47.2 mV and 56.5 mV, respectively.

ENGINEERING SCIENCE AND TECHNOLOGY-AN INTERNATIONAL JOURNAL-JESTECH (2023)

Article Energy & Fuels

A Comparative Investigation on Solar PVT- and PVT-PCM-Based Collector Constancy Performance

M. D. Shouquat Hossain et al.

Summary: The adoption rate of solar photovoltaic (PV) technology is lower than expected due to varying weather conditions and high manufacturing costs. To overcome these barriers, researchers are developing methods to increase its performance. This study investigates the use of phase change materials in a solar PVT hybrid system and analyzes its performance based on Malaysian weather conditions. The results show that the use of PCM enhances both electrical and thermal efficiency of the PV system. The study provides experimental methods for developing efficient PVT-PCM hybrid systems for various applications.

ENERGIES (2023)

Article Energy & Fuels

Modelling and performances assessment of a nanofluids-based PV/T hybrid collector

Safae Margoum et al.

Summary: The utilization of nanofluids in photovoltaic thermal solar collectors can effectively decrease the temperature of photovoltaic cells and improve the electrical and thermal outputs. By dispersing 2% volume fraction of silver, copper, and iron nanoparticles in water, higher thermal power and electrical power can be achieved compared to pure water. However, when using silver nanoparticles in ethylene glycol or thermal oil, the thermal and electrical outputs are lower. The most effective mixture of nanofluid is obtained by combining 2.0% volume fraction of silver nanoparticles with a mass flow rate of 3.0 x 10(-3) kg/s.

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS (2023)

Article Thermodynamics

Multijet impingement heat transfer under the combined effects of encapsulated-PCM and inclined magnetic field during nanoliquid convection

Fatih Selimefendigil et al.

Summary: This study numerically evaluates the convective heat transfer performance of a confined multiple jet impinging system with a phase change-packed bed (PCM-PB) sub-system under the effects of a magnetic field during hybrid nanoliquid convection. The presence of the magnetic field and its amplitude/inclination variation influence phase transition and heat transfer dynamics. The complete phase change time is reduced by about 15% and 11.7% for pure liquid and nanoliquid, respectively, when varying the magnetic field strength. The fastest phase transition dynamics are observed at an inclination angle of 0. Impinging system using PCM+nanoliquid at the highest magnetic field strength shows a 13.5% increase in the spatial average Nusselt number (Nu) compared to the system using only pure liquid. The phase transition becomes slower with larger distance values between the slots, while the average Nu increases by about 48.8%. When compared to the reference case without a magnetic field and PCM, the use of PCM+nanoliquid under a magnetic field at the highest strength achieves up to an 84.88% increase in the average Nu. The thermal performance of the impinging system installed with PCM+nanoliquid under a magnetic field is obtained through system identification. (c) 2022 Elsevier Ltd. All rights reserved.

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER (2023)

Article Engineering, Chemical

Optimization and numerical investigation of the effect of using phase change material and two-phase nanofluid flow in a V-shaped tube mounted in a thermal solar panel

Saeed Alqaed et al.

Summary: This article presents a numerical analysis and optimization of the cooling of a thermal solar panel. The results show that increasing the tube diameter and fluid flow rate can decrease the panel temperature and outlet temperature. Optimization of the geometry and flow parameters can achieve the best cooling effect.

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS (2023)

Article Physics, Applied

Thermal performance analysis of magnetized convectively heated ferromagnetic nanoparticles for radiative cross nanofluid flow

I. Hussain et al.

Summary: The aim of this study is to investigate the innovative flow of 2D ferrofluid passing over a stretched surface with a magnetic dipole effect. The research focuses on the common use of this issue in biomedical and engineering applications, specifically in drug targeting systems under magnetic effects. By utilizing suitable similarity variables, the impacts of magnetic dipole and radiation parameter on the flow of ferromagnetic cross fluid in a stretched region are thoroughly examined, resulting in non-linear ODEs. The desired ODEs are numerically solved using the RK fifth-order method with the shooting scheme. The effects of ferromagnetic interaction, viscous dissipation, Curie temperature, and Buongiorno parameters on velocity, temperature, and concentration fields are investigated. Various parameters related to velocity, mass transfer, and thermal gradients are also considered and visually analyzed. The temperature of the ferromagnetic fluid increases with the increase in ferrohydrodynamics interaction and Curie temperature parameters. On the other hand, the concentration of ferrofluid exhibits an opposite tendency against the parameters of thermophoresis and Brownian motion. The extensive application prospects of magnetized nanofluids have attracted interest from engineers and researchers due to the notable advantages of nanofluids over ordinary fluids.

MODERN PHYSICS LETTERS B (2023)

Article Multidisciplinary Sciences

Study comparing the tribological behavior of propylene glycol and water dispersed with graphene nanopowder

A. Haribabu et al.

Summary: The study focuses on nanofluids consisting of propylene glycol, water, and dispersed graphene nanopowder. Nanofluids were prepared by mixing propylene glycol and water in ratios of 100:0, 75:25, and 50:50. The main objective is to investigate the tribological behavior of nanofluids using a pin-on-disc device. The effects of load on wear, coefficient of friction, and frictional force were examined, revealing a reduction in wear, friction coefficient, and frictional force for most samples with increasing load, but an increase for some samples.

SCIENTIFIC REPORTS (2023)

Article Energy & Fuels

Performance Characteristic Analysis of Metallic and Non-Metallic Oxide Nanofluids for a Compound Parabolic Collector: Improvement of Renewable Energy Technologies in Buildings

Muhammad Kaleem et al.

Summary: The building sector aims to achieve net-zero emissions by integrating renewable energy technologies, particularly for space cooling and heating. The use of efficient nanofluids, such as metallic and non-metallic oxide nanofluids, in solar thermal concentrating collectors is crucial for improving their performance. This research focuses on the preparation, stability analysis, and characterization of various nanofluid combinations, including multi-wall carbon nanotube with water and ethylene glycol, aluminium oxide with water and ethylene glycol, and magnesium oxide with ethylene glycol. Experimental analysis demonstrates that the nanofluids significantly enhance thermal conductivity and viscosity, leading to increased thermal efficiency of the compound parabolic collector (CPC) system. The results show that MWCNT-H2O nanofluid exhibits the best performance among the tested nanofluid combinations.

ENERGIES (2023)

Article Energy & Fuels

Effect of zirconium oxide nanofluid on the behaviour of photovoltaic-thermal system: An experimental study

Mohammed Alktranee et al.

Summary: Recently, the use of nanofluids as coolants for photovoltaic modules has gained attention due to the ability to enhance the performance of the modules. This study investigates the use of zirconium oxide nanofluid at different volume concentrations as a coolant for reducing the temperature of photovoltaic cells. The results show that using zirconium oxide nanofluid at a volume concentration of 0.0275% in deionized water effectively reduces the temperature of the PV module and improves system energy and exergy efficiency.

ENERGY REPORTS (2023)

Article Energy & Fuels

Performance analysis of PV/Trombe with water and air heating system: an experimental and theoretical study

Omer K. Ahmed et al.

Summary: This paper investigates an improved design for a photovoltaic/Trombe wall system, which integrates a PV panel, a serpentine-shaped copper tube for water heating, and a single pass air channel for air heating. This system not only generates electricity but also provides hot air and water, resulting in an increased total efficiency compared to classical Trombe walls. The use of bi-fluid configuration allows for a wider range of thermal applications and flexible energy utilization. The study develops and validates 1D steady-state energy balance equations for the bi-fluid PV-TW system, predicting its performance for different air and water mass flow rates. Experimental results show good agreement with theoretical predictions, with a maximum discrepancy of less than 4% for solar cell temperature.

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS (2022)

Article Green & Sustainable Science & Technology

Experimental investigations on unglazed photovoltaic-thermal (PVT) system using water and nanofluid cooling medium

Govind S. Menon et al.

Summary: The study evaluated the electrical and thermal performance of an unglazed photovoltaic thermal system with a serpentine coil setup and compared the effects of water and copper oxide-based nanofluid cooling. The results showed that the nanofluid-cooled system had higher thermal efficiency, overall efficiency, and achieved the highest energy-saving efficiency.

RENEWABLE ENERGY (2022)

Article Green & Sustainable Science & Technology

Experimental investigation of a novel hybrid drying system powered by a solar photovoltaic thermal air collector and wind turbine

Decheng Kong et al.

Summary: A novel hybrid drying system powered by a solar PV/T air collector and wind turbine was proposed and tested to address the problem of insufficient energy supply for a solar drying system. The results showed that the system achieved high energy and drying efficiencies, using both solar and wind energy.

RENEWABLE ENERGY (2022)

Article Thermodynamics

Using a nanofluid-based photovoltaic thermal (PVT) collector and eco-friendly refrigerant for solar compression cooling system

Ahmad Zarei et al.

Summary: This study aims to enhance the performance of a solar compression refrigeration system by using a PV-thermal collector, low GWP refrigerant R290, and ZnO nanofluid. Theoretical analysis shows that using ZnO nanoparticles can improve the solar cooling efficiency and coefficient of performance of the system. The use of nanofluid also reduces the total heat exchanger area compared to pure water.

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY (2022)

Article Energy & Fuels

Comparative study on shading performance of MHP-PV/T inside and outside Chinese greenhouse in winter

Jinping Li et al.

Summary: This study compares the performance of two photovoltaic/thermal (PV/T) systems inside and outside a Chinese greenhouse. The results show that the outside system has better electrical performance, while the inside system has better thermal performance. The study establishes the feasibility and a new method of using PV/T technology for shading and dehumidification in cold winter regions of Chinese greenhouses.

SOLAR ENERGY (2022)

Article Energy & Fuels

Extended exergy analysis of a photovoltaic-thermal (PVT) module based desiccant air cooling system for buildings

Emin Acikkalp et al.

Summary: In this paper, a photovoltaic-thermal (PVT) module based desiccant air-cooling system for buildings is analyzed using extended exergy analysis. The results show that extended exergy analysis provides different results from conventional exergy analysis in terms of exergy destruction and exergy efficiency. The exergy equivalent of capital has the highest portion, mainly due to the significant expenses of electricity consumption. Therefore, it is important to increase exergy efficiency and reduce exergy destruction.

APPLIED ENERGY (2022)

Article Green & Sustainable Science & Technology

Effect of Temperature on the Electrical and Thermal Behaviour of a Photovoltaic/Thermal System Cooled Using SiC Nanofluid: An Experimental and Comparison Study

Hussein A. Kazem et al.

Summary: This study experimentally investigated a PV/T system using silicon carbide nanofluid as a cooling fluid. The results showed improvements in thermophysical properties, performance parameters, and efficiencies compared to conventional methods. The study compared different cooling methods and nanofluid studies, providing useful insights for engineers and researchers interested in nanofluid cooling of PV/T systems.

SUSTAINABILITY (2022)

Article Green & Sustainable Science & Technology

Modified Nano-Fe2O3-Paraffin Wax for Efficient Photovoltaic/Thermal System in Severe Weather Conditions

Miqdam T. Chaichan et al.

Summary: The development of modern photovoltaic thermal systems is crucial for utilizing solar energy efficiently. Adding nanoparticles to phase change materials can significantly improve the low thermal conductivity of these materials. Experimental results demonstrate that adding nano-iron oxide to paraffin wax enhances its thermal conductivity, viscosity, and density, while maintaining thermal stability.

SUSTAINABILITY (2022)

Article Thermodynamics

High performance evaluation of a PV/T hybrid system connected with a thermal store unit holding paraffin wax

Ehsan F. Abbas et al.

Summary: The photovoltaic/thermal (PV/T) hybrid system combines a PV panel with a thermal collector to generate both electricity and heat energy. Adding phase-change materials can enhance the efficiency of the system. The study found that adding a paraffin wax thermal storage unit to the PV/T hybrid system increased its efficiency by approximately 1.4 times compared to a system without a thermal storage unit.

INTERNATIONAL JOURNAL OF LOW-CARBON TECHNOLOGIES (2022)

Article Energy & Fuels

Cooling technologies for enhancing photovoltaic-thermal (PVT) performance: a state of the art

Mohamed Ghazy et al.

Summary: Photovoltaic-thermal technologies have addressed the issue of low efficiency in hot weather conditions, improving electrical efficiency and providing thermal energy. Analyzing the performance formulas for each cooling technology can help determine the most effective techniques for developing and popularizing PV systems in the future.

INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING (2022)

Article Energy & Fuels

Extended exergy analysis of a photovoltaic-thermal (PVT) module based desiccant air cooling system for buildings

Emin Acikkalp et al.

Summary: In this study, a PVT module based desiccant air-cooling system for buildings is analyzed using extended exergy analysis, revealing differences in exergy destruction and efficiency compared to conventional analysis, with electricity consumption being the main contributor to exergy destruction.

APPLIED ENERGY (2022)

Article Environmental Sciences

Enhancement of PV/T-integrated single slope solar desalination still productivity using water film cooling and hybrid composite insulation

Gurukarthik Babu Balachandran et al.

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH (2020)

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Advanced photovoltaic thermal collectors

Kamaruzzaman Sopian et al.

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING (2020)

Article Energy & Fuels

Performance analyses of sustainable PV/T assisted heat pump drying system

Meltem Kosan et al.

SOLAR ENERGY (2020)

Article Green & Sustainable Science & Technology

Spectral-splitting hybrid PV-thermal (PVT) systems for combined heat and power provision to dairy farms

Kai Wang et al.

RENEWABLE ENERGY (2020)

Review Green & Sustainable Science & Technology

A review of dust accumulation and cleaning methods for solar photovoltaic systems

Hussein A. Kazem et al.

JOURNAL OF CLEANER PRODUCTION (2020)

Article Green & Sustainable Science & Technology

Thermal management of low concentrated photovoltaic module with phase change material

S. Manikandan et al.

JOURNAL OF CLEANER PRODUCTION (2019)

Article Energy & Fuels

A novel hybrid photovoltaics/thermoelectric cooler distillation system

Moh'd A. Al-Nimr et al.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2019)

Article Green & Sustainable Science & Technology

Numerical and experimental investigation of the effect of operating conditions on performance of PVT and PVT-PCM

H. Fayaz et al.

RENEWABLE ENERGY (2019)

Article Energy & Fuels

Spectral beam splitting in hybrid PV/T parabolic trough systems for power generation

Bennett Widyolar et al.

APPLIED ENERGY (2018)

Article Thermodynamics

Improvement of PVT air-cooling by the integration of a chimney tower (CT/PVT)

L. Boutina et al.

APPLIED THERMAL ENGINEERING (2018)

Review Green & Sustainable Science & Technology

PVT air collector integrated greenhouse dryers

Sumit Tiwari et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2018)

Review Green & Sustainable Science & Technology

Energy economic analysis of photovoltaic-thermal-thermoelectric (PVT-TE) air collectors

Nurul Syakirah Nazri et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2018)

Article Green & Sustainable Science & Technology

Nanofluid based grid connected PV/T systems in Malaysia: A technoeconomical assessment

Ali H. A. Al-Waeli et al.

SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS (2018)

Article Green & Sustainable Science & Technology

Design, measurement and evaluation of photovoltaic pumping system for rural areas in Oman

Hussein A. Kazem et al.

ENVIRONMENT DEVELOPMENT AND SUSTAINABILITY (2017)

Article Thermodynamics

An experimental investigation of SiC nanofluid as a base-fluid for a photovoltaic thermal PV/T system

Ali H. A. Al-Waeli et al.

ENERGY CONVERSION AND MANAGEMENT (2017)

Article Thermodynamics

Evaluation of the nanofluid and nano-PCM based photovoltaic thermal (PVT) system: An experimental study

Ali H. A. Al-Waeli et al.

ENERGY CONVERSION AND MANAGEMENT (2017)

Review Chemistry, Physical

Energy conversion approaches and materials for high-efficiency photovoltaics

Martin A. Green et al.

NATURE MATERIALS (2017)

Review Green & Sustainable Science & Technology

Photovoltaic/Thermal (PV/T) systems: Status and future prospects

Ali H. A. Al-Waeli et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2017)

Proceedings Paper Mathematics, Interdisciplinary Applications

Mathematical Modeling of Photovoltaic Thermal PV/T System with V-groove Collector

M. Zohri et al.

INTERNATIONAL SYMPOSIUM ON CURRENT PROGRESS IN MATHEMATICS AND SCIENCES 2016 (ISCPMS 2016) (2017)

Article Green & Sustainable Science & Technology

Photovoltaic/thermal (PV/T) solar system: Experimental measurements, performance analysis and economic assessment

Augusto Bianchini et al.

RENEWABLE ENERGY (2017)

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Experimental investigation of the performance of the novel HP-BIPV/T system for use in residential buildings

Zhangyuan Wang et al.

ENERGY AND BUILDINGS (2016)

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Hasila Jarimi et al.

RENEWABLE ENERGY (2016)

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Field test results of an innovative PV/T collector for solar domestic hot water

Laetitia Brottier et al.

PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON SOLAR HEATING AND COOLING FOR BUILDINGS AND INDUSTRY (SHC 2015) (2016)

Article Thermodynamics

Performance analysis of photovoltaic thermal (PVT) water collectors

Ahmad Fudholi et al.

ENERGY CONVERSION AND MANAGEMENT (2014)

Article Energy & Fuels

Performance analysis of solar drying system for red chili

Ahmad Fudholi et al.

SOLAR ENERGY (2014)

Proceedings Paper Construction & Building Technology

Experimental performance of a photovoltaic-thermal air collector

Jin-Hee Kim et al.

PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON SOLAR HEATING AND COOLING FOR BUILDINGS AND INDUSTRY (SHC 2013) (2014)

Proceedings Paper Construction & Building Technology

Unglazed PVT collectors as additional heat source in heat pump systems with borehole heat exchanger

Erik Bertram et al.

1ST INTERNATIONAL CONFERENCE ON SOLAR HEATING AND COOLING FOR BUILDINGS AND INDUSTRY (SHC 2012) (2012)

Article Thermodynamics

Drying of mint leaves in a solar dryer and under open sun: Modelling, performance analyses

E. Kayak Akpinar

ENERGY CONVERSION AND MANAGEMENT (2010)

Article Construction & Building Technology

Energy and exergy analysis of PV/T air collectors connected in series

Swapnil Dubey et al.

ENERGY AND BUILDINGS (2009)

Review Biotechnology & Applied Microbiology

Simulation design and evaluation of hybrid PV/T assisted desiccant integrated HA-IR drying system (HPIRD)

Chantana Punlek et al.

FOOD AND BIOPRODUCTS PROCESSING (2009)

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INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2009)

Review Green & Sustainable Science & Technology

Solar-energy drying systems: A review

Atul Sharma et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2009)

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Improved PV/T solar collectors with heat extraction by forced or natural air circulation

J. K. Tonui et al.

RENEWABLE ENERGY (2007)