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45 articles for “solar collectors”
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Natural Convection Agricultural Solar Dryer
Abstract: AbstractA solar air heater has been built with waste plastic bottles as a solar collector for drying agricultural crops. The lower part of each cylindrical collector (Plastic bottles of 1.2m in length and 0.07m of diameter) was black painted (30% of the surface area) and attached to greenhouse to dry the crops. The performance of the solar dryer was carried out with and without plastic bubble wrapper film on the …
Published in Recent Trends in Fluid Mechanics · Vol. 6, Issue 3, 2019 · pp. 22–27 Read article
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Oceanic Temperature Gradient as an Alternative Energy Source
Abstract: World is facing an energy crunch. To respond to the global warming, we either need a supply that has no carbon release or we need to find means to consume less energy. As the supply of non-renewable energy resources is depleting, there is a demand for new energy technologies. Oceans cover almost 70% of the earth’s surface, making them world’s largest solar collector. This paper discusses a new technological approach …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 3, 2016 · pp. 1–6 Read article
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Study and Analysis of Solar Cabinet Dryer with used of Solar Selective Material
Abstract: Using solar cabinet dryer is in many agriculture places, cold industrial places where heated regions require. This setup is useful for high work output and much area cover-up. Usually use simple solar cabinet dryer which is no more sensitive for precision workplace because its performance is low. So, use mixed mode solar cabinet dryer which conclude multi tray adjustable, cover by maximum possible area, using heater and fan which responsible …
Published in Journal of Thermal Engineering and Applications · Vol. 6, Issue 2, 2019 · pp. 52–58 Read article
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Recent Developments in Solar Photovoltaics and Thermal Hybrid Technology
Abstract: The electrical performance of solar PV panel decreases with increase in the panel/module temperature which is cause of concern in the summer season. To decrease the effect on electrical performance due to increase in module temperature, heat is extracted from the module and used as thermal energy. Heat exchanger or heat extraction device is put on the rear surface of the PV panel and working fluid or coolant is flowed …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 6, Issue 1, 2015 · pp. 14–34 Read article
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Improving the Efficiency of Solar Cabinet Dryers: A Comprehensive Review
Abstract: Solar cabinet dryers offer an eco-friendly and sustainable solution for drying agricultural products, utilizing solar energy to reduce moisture content. However, to match the performance of conventional drying methods, there is a need to enhance the efficiency of these systems. This research article delves into various strategies to increase the efficiency of solar cabinet dryers, including design optimization, material selection, airflow management, and operational adjustments. Key improvements such as multi-pass …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 3, 2024 · pp. 22–27 Read article
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Comprehensive Thermal and Environmental Investigation of An Enhanced Evacuated Tube Solar Water Heater with Wavy Tape and Latent Heat Storage
Abstract: Evacuated tube solar collectors (ETSCs) are widely used for thermal energy applications; however, enhancing their thermal and exergetic efficiency remains a challenge. This study investigates performance enhancements through structural and material alterations. Four ETSC cases were tested experimentally, case-1: a standard ETSC, case-2: Wavy tape (WT) inserted ETSC, case-3: Phase change material (PCM) integrated ETSC, and case-4: Dual-Enhanced ETSC (PCM + WT). A binary eutectic PCM was utilized for latent …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 1–16 Read article
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Design And Optimization Of Performance Parameters Of Indirect Solar Drying System
Abstract: The objective of the work being presented is to design and develop an indirect solar dryer in the renewable energy laboratory of Mechanical Engineering Department, I.I.T BHU Varanasi and evaluate its performance under the climatic conditions of Varanasi, U.P India. The main components of indirect solar dryer are flat plate solar collector, drying chamber, blower and other accessories of the drying system. Originally built Shukla-Sharma dryer for drying aonla was …
Published in Journal of Thermal Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 1–22 Read article
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Experimental Analysis of a Portable Solar Water Distillation System
Abstract: We know that water available in National Capital Region of Delhi India is contaminated and have high hardness, so it cannot be used directly for industrial purpose. So I have made an attempt to get the distilled water of lower hardness with the help of solar energy. Experimental result of a double slope single basin solar distiller is explained in this paper. The motivation for this project is the conversion …
Published in Journal of Water Resource Engineering and Management · Vol. 2, Issue 3, 2015 · pp. 1–9 Read article
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Performance Optimization of Photovoltaic-thermal (PVT) Systems: A Comprehensive Review of Design and Efficiency Enhancements
Abstract: The desire for renewable energy solutions and the rising demand for energy worldwide have driven important developments in hybrid photovoltaic-thermal systems. Photovoltaic-thermal systems provide the advantages of both thermal energy collection and electrical energy generation as they integrate photovoltaic and thermal collectors into a single module. However, a number of variables, including system architecture, material choice, cooling systems, and ambient circumstances, affect how well they function. The goal of this …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 11, Issue 2, 2024 · pp. 9–16 Read article
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Development and Performance Evaluation of Hybrid Solar Water Heating and Distillation Systems for Sustainable Water Supply: A Comprehensive Review
Abstract: This review article delves into the comprehensive examination of hybrid solar water heating and distillation systems, underscoring their pivotal role in addressing global water and energy challenges. With the increasing scarcity of clean water and the growing demand for sustainable energy solutions, these hybrid systems offer a promising dual-purpose approach. The article synthesizes the latest advancements in technology, design methodologies, and performance evaluation metrics, providing a holistic view of the …
Published in Recent Trends in Fluid Mechanics · Vol. 11, Issue 1, 2024 · pp. 8–19 Read article
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Parametric Study of a Solar Heat Driven Silica Gel–Water Paired Adsorption Chiller
Abstract: Heat driven sorption based cooling systems are gaining interest as they are environmentally friendly and have the potential to save precious fossil fuel resources. Low grade thermal sources like solar or waste heat can run a silica gel-water paired adsorption chiller to generate chilled water below 10°C. However, the performance of the adsorption chillers is poor when compared to vapour absorption or vapour compression based cooling systems. An effort has …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 6, Issue 2, 2015 · pp. 19–29 Read article
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Fractional Calculus-Based Analysis of Magneto-Thermal Nanofluid Flow Over Stretching and Shrinking Surfaces
Abstract: This study presents a comprehensive investigation of magneto-thermal hybrid nanofluid flow over stretching and shrinking surfaces using a fractional calculus framework to capture the memory and hereditary characteristics of complex fluid transport phenomena. The proposed model incorporates the effects of magnetic field intensity, thermal radiation, viscous dissipation, Brownian motion, and thermophoretic diffusion on the velocity and temperature distributions within the boundary layer region. A fractional-order derivative formulation is employed to …
Published in Recent Trends in Fluid Mechanics · Vol. 13, Issue 2, 2026 Read article
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Solar Thermal Energy Utilization: Design Innovations and Performance Enhancement Techniques
Abstract: The utilization of solar thermal energy has become increasingly significant in the pursuit of sustainable and low-carbon energy solutions. Unlike photovoltaic technologies that directly convert sunlight into electricity, solar thermal systems focus on harnessing solar radiation to generate heat, which can then be applied to diverse sectors such as water heating, space conditioning, industrial process heating, and power generation. In recent years, substantial research efforts have been directed toward enhancing …
Published in International Journal of Energy and Thermal Applications · Vol. 3, Issue 2, 2025 · pp. 1–5 Read article
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Performance Testing of Arduino-Based Hybrid Solar Dryer for Drying Apple Slices
Abstract: A novel and high-efficiency hybrid solar dryer was designed and developed in this study to dry apple slices. The thermal analysis of the dryer is conducted by calculating collector efficiency, drying rate, and drying efficiency. Integrating an Arduino-based temperature and humidity monitoring system in a hybrid solar dryer enhances the ability to optimize performance and efficiency. Both the collector and drying chamber are made of aluminum sheet as it has …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1872–1886 Read article
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Factors Influencing the Design of Parabolic Trough Collector: A Review
Abstract: Due to limited resource availability and high conventional energy usage, research into renewable energy has increased during the past few years. Utilizing collecting systems, significant renewable energy can be produced from the available solar radiation. The majority of solar energy harvesting systems use parabolic trough concentrating collectors. The performance of parabolic trough collectors as a whole is examined in this paper. The operating characteristics, such as the type of receiver …
Published in International Journal of Energy and Thermal Applications · Vol. 1, Issue 2, 2023 · pp. 1–8 Read article
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Experimental Investigation on Thermal Conductivity and Viscosity of Phase Change Material (NaNOᴣ and KNOᴣ) with Different Concentrations of ZnO Polymer Nanofluids for Solar Energy Absorption
Abstract: When evaluating the effectiveness of solar heat absorption methods or solar thermal energy storage systems (TESS), heat transfer fluid is a crucial element. Thermal conductivity and usable heat obtained for any industrial or immediate power plant efficiency are improved by the distinctive refining of Heat Transfer Fluid (HFT). The phase change material used in this study, known as solar salt is a blend of 60% NaNO3 and 40% KNO3. It …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 25–35 Read article
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Development of Water Trash Collector System: A Review
Abstract: A serious garbage crisis has emerged, notably in aquatic bodies, because of rising urbanisation, corruption, and worldwide economic expansion. We have created an automated system for cleaning rivers utilising an Arduino-based floating garbage collector machine to address this problem. The system is fueled by solar energy, allowing for a backup energy supply and water recycling, which helps reduce waste. The system collects plastic and glass bottles and other lightweight floating …
Published in Recent Trends in Fluid Mechanics · Vol. 10, Issue 1, 2023 · pp. 25–30 Read article
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Designing Aspects and Recent Advances in Digital Holographic Microscopy
Abstract: Recent advances in Digital Holographic Microscopy have been discussed in this paper, besides throwing some light on the designing aspects of optical components like beam splitter and neutral density filter for the optimization of system performance. Some important related subtopics like spectral resolution of digital holograms, and Fourier-synthesis holography have been technically discussed. The optimization of acoustical holographic components for use in renewable energy production is presented in this study. …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 2, 2025 · pp. 06–18 Read article
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A New Approach to Analyze the Performance of Flat Plate Collector
Abstract: AbstractAs per standards, the thermal efficiency test for the flat plate collector is used to be conducted under specified steady state conditions and then incident angle modifier ‘Kτα’ has been used to calculate the thermal efficiency at a different angle of incidence. These standards do not consider the effect of solar azimuth angle, as well as time consumption and require the costly test setup. In this paper, a new approach …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 2, 2018 · pp. 39–49 Read article
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An Experimental Study on Design and Fabrication of Sheet and Tube Type PVT Collector
Abstract: AbstractA hybrid system composed of a photovoltaic (PV) module integrated with a thermal unit is fabricated and tested in outdoor conditions. The system has been installed at MITS, Gwalior and its thermal analysis has been done experimentally. In our experimental work, water is used as a working fluid and pit coarse sand is used as an insulator. Experimentally it is observed that the thermal efficiency of the system is also …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 9, Issue 2, 2018 · pp. 33–38 Read article