Abd Elnaby Kabeel

Tanta University · Department of Mechanical Power Engineering

The incorporation of fins on the flat absorber of a basin is known to improve thermal efficiency and distillate production by increasing the surface area exposed to sunlight. However, the presence of fins creates shading issues, which negatively impact the productivity of distillers. To address this problem, researchers are currently seeking a solu...

The aim of this investigation is to ascertain the optimal arrangement of aluminum spheres, each with a consistent diameter of 2 cm, to serve as a cost-efficient means of energy storage for augmenting the efficacy of conical solar distillation apparatus. For this purpose, three identical conical stills were manufactured. Experimental procedures were...

The present study aims to enhance the efficiency of the conical solar distiller in producing water during both day and night. This will be achieved through design enhancements, such as increasing the surface area of the distiller to maximize solar energy absorption and improve condensation rates. High thermal-conductivity cylindrical fins have been...

This study investigates the enhanced performance of hemispherical solar stills by integrating charcoal balls. The method showcases improved efficiency by augmenting heat transfer mechanisms and enhancing solar radiation absorption. Reducing the surface tension of basin water is a solution to increase its heating, enhancing the softwater yield of so...

The efficiency of solar air collectors, which are intended to convert solar energy into thermal energy, is the subject of numerous studies that aim to assess and improve it. Solutions for sustainable energy heavily rely on these systems. Making the right choice regarding the best method for absorbing solar radiation and reducing heat losses is what...

Geothermal energy is a promising alternative for replacing fossil fuels to ensure the continuity and well-being of human life. Geothermal energy sources have two main categories: high-enthalpy and low-enthalpy energy sources. High enthalpy energy sources are used to drive conventional power generation cycles such as the Rankine cycle. Low enthalpy...

In recent years, the urgency for harnessing solar energy for water desalination has grown significantly, driven by the escalating costs and the increasing scarcity of clean water sources. Numerous research efforts were dedicated to enhance the productivity of solar still, including the thermal energy storage materials, solar concentrators, nanoflui...

Solar distillers represent one of the most important solutions to overcome the problem of freshwater shortages in remote areas, but they have the drawback of their low productivity. Since conical solar distillers represent one of the best designs that are characterized by a large surface for receiving and condensing, so the present study aims to pr...

This study focuses on optimizing the solar distiller and provides a foundation for future research and development in solar distillation technologies. This paper does an exergoeconomic analysis of a multi-section solar distiller (MS-SS) system that is combined with a solar air heater (SAH). Therefore, its objective is to determine the most effectiv...

This study seeks to find the ideal size of aluminum balls to improve the effectiveness of conical solar stills for storing energy, due to the increasing demand for drinking water and the high costs of getting portable drinking water. To achieve this, three comparable conical solar distillers were made using aluminum balls of various diameters (1 cm...

In this study, the main aim is to determine the most effective spacing for 1.6 cm-diameter black glass balls, utilized as a cost-efficient energy storage solution to enhance the performance of a conical solar distillation system. Three identical conical stills were utilized over a two-day experimental period to evaluate various setups. The first di...

This paper presents a comparative experimental analysis aimed at improving the production of drinking water from conical solar distillers using magnet fins as a low-cost and efficient storage material. Cylindrical magnet fins with a diameter of 1.6 cm were strategically placed at various heights (2 cm, 1.5 cm, 1 cm, and 0.5 cm) with a spacing of 5...

The present work introduces a comparative investigation on the use of paraffin wax enriched with graphite nanoparticles in the basin of a pyramidal solar distiller as a nano-composite energy storage medium to augment the distillation yield. Four diversified nano-particle concentrations of 0%, 10%, 15%, and 20% are investigated and compared to the t...

The present study explores enhancing the productivity of solar still through the utilization of different enhancement configurations, such as Iron Hemispherical Pieces (IHPs) and Steel Wool Pads (SWPs). Two solar stills were used in this study, one of them is a conventional solar still (CSS) as a comparison reference and the other is a modified sol...

The deployment of floating photovoltaics (FPVs) is growing substantially in maritime locations. Despite the advantages gained from FPVs, it can still suffer from radiation fluctuation, which severely harms the system’s production. Avoiding such obstacles can help countries like Egypt to increase their clean electricity production from its huge natu...

In order to overcome the drawbacks of traditional photovoltaic thermal systems, including their limited thermal power, low thermal exergy, and heat transfer fluid outlet temperature, it becomes essential to explore the optimal design configuration of the system for maximization both electricity and domestic hot water generation. Therefore, a detail...

This work presents a comparative experimental investigation of the potential of low-cost metamorphic fabric materials for augmenting the distilled yield of hemispheric solar distillation systems. The impacts of two various metamorphic layers; namely, a 20 mm thick cement layer and a 20 mm thick slate layer on the distiller thermo-economic performan...

At present, artificial intelligence methods have been effectively utilized for predicting the complex performance of storage-based solar thermal technologies for cooling/heating applications. It is crucial to have accurate energy storage-based sustainable system estimation, which would contribute to increased operational time, thus maximizing the o...

Sandstorms and the spread of dust are problems in semi-arid and arid desert regions. The performance of the photovoltaic cells is lowered as a result of dust buildup on their front side and overheating. Through the use of a combined cooling and self-cleaning technique, the overall performance of a solar panel is improved in this experimental study....

An experimental study of a conical solar distiller's usage of inexpensive energy storage material to increase distillation yield. Stainless-steel balls are utilized in experiments because they increase the surface area of the water and are excellent energy storage devices. The goal of this research is to determine the optimal distance between the s...

Photovoltaic thermal (PVT) collector-based active cooling technology makes it possible to increase the efficiency of PV solar cells and meanwhile generate heat through the direct conversion of solar irradiation into electricity. Hence, this study presents a detailed numerical analysis of the thermal performance of PVT solar collectors integrated wi...

Photovoltaic thermal (PVT) collector-based active cooling technology makes it possible to increase the efficiency of PV solar cells and meanwhile generate heat through the direct conversion of solar irradiation into electricity. Hence, this study presents a detailed numerical analysis of the thermal performance of PVT solar collectors integrated wi...

Introduction: Nanofluids, hybrid nanofluid possesses thermophysical features that boost the fluid performance. This research work is motivated by the utilization of water solar collectors that incorporate non-Newtonian, power-law hybrid nanofluid in a three-dimensional model, considering the two-phase model. Method: The primary objective of this st...

The escalating threat of water scarcity, coupled with the inclusion of numerous countries in the list of water-scarce nations, has elevated the issue of water availability to a paramount concern in today's global landscape. Freshwater sources are becoming increasingly scarce, with their proportional decline steadily progressing. Consequently, a gro...

The present study aims to improve the palatable water production from the hemispherical cover solar distiller (HSD). To augment the palatable water produced from the hemispherical cover, a black sponge was utilized as a porous medium using different thicknesses, which augments the interfacial evaporation through the capillary effect of the water th...

The electricity sector is evolving dramatically [...]

The present work aims to obtain the optimized construction of marble pieces as thermal energy storage materials that achieves the highest performance of the hemispherical solar distillers. To obtain the optimal construction of the marble pieces as energy storage materials, four different marble pieces (black marble pieces, green marble pieces, red...

The study underscores the significance of ongoing research and innovation in developing sustainable water purification technologies to address the escalating global water crisis. Whereas, solar distillers are considered the most important simple and inexpensive solutions to produce water for remote areas that suffer from the problem of lack of clea...

It is essential to enhance the performance of the thermoelectric generator as lower efficiencies are obtained recently. This could be achieved by changing its dimensions in addition to copper strip thickness. The present study is performed to obtain the best dimensions of the P – N legs considering the interaction between all variables. To do this,...

This research describes a hybrid solar desalination system that includes a humidification-dehumidification unit as well as a solar still unit. The current system is being studied numerically. A one-dimensional model of the important heat and mass exchanges, as well as the flow field, was built using the finite difference method. Freshwater producti...

There is no longer a decent water shortage in rural or urban locations, and solar distillers' lower productivity is a result of their low cost and benefits. Therefore, design modifications were developed and tested in the summer (S) and winter (W) to maximize the output of the single solar distiller (SSD). This is accomplished by coating the distil...

Solar Stills (SSs) are an eco-friendly and efficient approach to generating drinking water from brackish or saline sources. In this paper, a novel model for predicting the productivity of Hemispherical SS is proposed. This model enhances traditional MLP using an advanced Genetic Algorithm (GA), which mimics the process of “seeded selection” in natu...

An innovative designed convex basin is utilized instead of the flat absorber basin to maximize the exposure and vaporization surface areas. Moreover, a jute cloth layer is used over the convex basin as a wicking material for promoting the vaporization rates inside the modified distiller. Additionally, the influences of using phase change material (...

Increasing awareness worldwide about water scarcity and energy consumption has pushed researchers to enhance their effort toward the search for sustainable management of water resources and the use of renewable energy in water sector. Water scarcity and energy supply and demand are particularly critical issues in the Middle East and North Africa (M...

Nowadays, there is great attention given to solar collectors (SCs) for their important applications based on the advantages of nanotechnology and solar radiation. Hybrid nanofluid (HNF) is our first option due to its thermophysical properties that help in improving the overall performance, unlike other nanofluids. This paper gives a detailed novel...

To achieve thermal energy storage using a heat transfer carrier, a novel prototype of a double effect U-shape stepped solar distiller (DUSD) of ZnO for Jackfruit peel (ZJP) synthesis is presented. Silver colour steel balls (S) with ZJP are the main component of DUSD, which improves the internal heat transmission process. The Laplacian technique is...

This study aims to develop a novel design of hemispheric distillers that can achieve the highest performance improvement. To implement this idea, a semi-corrugated absorber basin combined with an inverted solar collector was utilized in order to augment the vaporization rates within the hemispheric distillation basin and thus improve the freshwater...

An effective interdisciplinary study between machine learning and solar-thermal desalination requires a sufficiently large and well-analyzed experimental datasets. This study develops a modified dataset collection and analysis process for studying solar-thermal desalination by machine learning. Based on the optimized water condensation and collecti...

Renewable energy‐based desalination systems are one of the main sources of human sustenance to address the climate damage of their fossil fuel‐based counterparts. Drinking water is not available in some remote areas and this causes a problem so there is a real need to develop simple and handy methods to solve this problem. Solar distillation is a s...

Solar stills represent one of the effective solutions in remote regions that suffer from the problem of lack of fresh water, but the disadvantage of their type of distillation technologies is the low productivity of pure water per square meter of evaporation surface. During the night, the brine cools down because of the absence of solar radiation,...

Recently, the reverse osmosis (RO) process is widely used in the field of desalinating brackish water and seawater to produce freshwater, but the disadvantage of using this technology is the increase in the rates of electrical energy consumption necessary to manage these units. To reduce the rates of electrical energy consumption in RO desalination...

Solar stills utilization has received great interest in arid isolated regions. In this study, experimental approaches have been investigated to prove the impact of the corrugated absorber shape on the hemispherical solar still performance. Four geometric corrugated shapes including present flat, triangular, semi-circular, square forms were tested f...

Solar stills are considered an effective method to solve the scarcity of drinkable water. However, it is still missing a way to forecast its production. Herein, it is proposed that a convenient forecasting model which just needs to input the conventional weather forecasting data. The model is established by using machine learning methods of random...

Seaweeds are a primitive type of plant and macro algae, which usually grow in the regions of backwaters, estuaries, and seas, especially in shallow water. They are typically formed, attached, and visualized to the coral reef, rocks, and other substrata wherever available. The seaweeds are collected from the Kanyakumari region and processed for meth...

The use of solar-powered Stirling engines to convert thermal energy into electricity is a promising and renewable technological solution that can contribute to reducing dependence on fossil fuels for electricity generation. Unfortunately, the lack of experimental performance data and operating parameters for this type of technology limits its detai...

This manuscript aims to augment the production rate of drink water from the hemispherical solar distillers using red bricks filled with cement as natural low‐cost reasonable storage materials. To obtain the optimal height and optimal gap distance of the red brick tiles filled with cement that achieves the highest productivity of hemispherical disti...

The supply of drinking water has become a major challenge, despite large but relatively polluted quantities of groundwater, especially in southeastern Algeria. The use of solar energy for water desalination has become the subject of many local and global researchers. To solve this problem, we carried out an experimental study on two solar stills wi...

Water resources are considered one of the most critical and indispensable elements to ensure the survival of all living organisms on the planet. Since there is a close relationship between water, energy, and food security, this interdependence presents a major global societal challenge. While Egypt is one of the countries that suffers the most from...

Five-slope trapezoidal solar still's thermal, cost, and environmental analyses are assessed and compared to those of a conventional single-slope solar still. Three promising modifications are successively applied over three intervals. Thin film evaporation is firstly obtained using hanged jute layer; then, cover cooling is applied to augment the co...

The use of solar still combined with solar energy applications including photovoltaic modules, solar collectors, and solar heaters can significantly impact the system's productivity. In this paper, the combination of solar still and solar box cooker was considered to increase the system's absorption area and water productivity. In order to bring up...

The study focuses on heat transfer performance and flow structure associated with swirling jet on a flat target surface. The analysis is carried out with helicoid inserts of swirl number S = 1.3 by varying the number of vanes with Reynolds number between 11200 and 35600. The comparison of swirling jet with circular jet is carried out on its heat tr...

From the starting of the pandemic different transmission routes of the pathogen was brought into the spotlight by researchers from different disciplines. This matter in high-altitudes was more boosted as the main parameters were not exactly realized. In this review we are about to highlight the possibility of consuming contaminated water generated...

The performance of a hybrid solar desalination system is predicted in this work using an enhanced prediction method based on a supervised machine-learning algorithm. A humidification–dehumidification (HDH) unit and a single-stage flashing evaporation (SSF) unit make up the hybrid solar desalination system. The Al-Biruni Earth Radius (BER) and Parti...

A numerical investigation for a solar air heater integrated with a multi-section solar distiller has been conducted with a novel design of solar distiller with interior sections. A mathematical description of the solar distiller is made and solved with a MATLAB code. The air flow in the solar air heater, the water height in the solar distiller, and...

The current experimentation work aims to enhance the hemispherical solar distiller’s yield by employing contiguous extended cylindrical iron bars as energy storage corrugated absorbers. After installing the contiguous extended cylindrical iron bars, the absorber surface is similar to the semi-circular corrugated surface; the extended cylindrical ir...

Solar energy has recently become a viable option for desalinating seawater, primarily in arid regions. However, increasing the productivity of solar still by integrating experimental base and modelling methods is still subject to prediction errors; therefore, the main objective of this research is to postulate and test boosting algorithms for predi...

Recently, the reverse osmosis process is widely used in the field of desalinating brackish water and seawater to produce freshwater, but the disadvantage of using this technology is the increase in the rates of electrical energy consumption necessary to manage these units. To reduce the rates of electrical energy consumption in the RO desalination...

The traditional method of obtaining fresh water for drinking is by burning fossil fuels, emitting greenhouse gases into the atmosphere. However, renewable energy is gaining more traction since it is available free of cost for producing fresh water. In this study, Al2O3 nanoparticles were distributed in a phase change material (paraffin wax) that ha...

Recently, the scientific community has become more interested in solar-driven steam materials and systems for desalination and disinfection. Solar thermal energy for membrane distillation desalination provides a green and sustainable option for building settings where there is a strong connection between water constraint and high solar irradiation....

The main objective of this research is to obtain the best arrangement of new extended cylindrical iron fins that achieve the highest productivity of hemispherical solar distillers. To achieve this, extended cylindrical iron fins with a diameter of 1.2 cm were placed at various distances on the bottom basin of the hemispherical solar distiller (0, 1...

The rise in the global population over the past years has made freshwater supplies essential for all vital operations. Desalination is now essential for ensuring the sustainability of the world's population. To boost the output of solar distillers, the present experimental study aims to utilize natural inexpensive porous materials to improve the ev...

In this paper, the potential resources of wind energy were examined, in the case of three different locations in Southern Jordan. On t