Mohamed A. Sharaf Eldean

• PhD
• Lecturer at Suez University

This paper presents a technoeconomic assessment of a solar-driven co-generation system that suits medium/large-scale water production and power generation. The system consists of a concentrated solar tower combined with a gas turbine cycle for power generation and combines reverse osmosis (RO) with multi-effect distillation (MED) for the desalinati...

Solar-wind hybrid systems have grown to become a pivotal option for powering membrane desalination processes, especially because they have zero harmful emissions. In this work, solar photovoltaic (PV) and horizontal wind turbine (HWT) systems were used to drive a reverse osmosis (RO) desalination process to produce large-capacity fresh water. Moreo...

In this work, a novel system design of using geothermal well energy acting as a brine heater for desalination purposes has been numerically developed and investigated. The system contains a pumping unit, nanofiltration, flash evaporation unit, and end condenser for condensation and freshwater production. The system aimed to pump the pre-treatment b...

To resolve the limited transmission and complicated layout, the common parameter measurement and control system of agricultural equipment use virtual instrument technology and embedded technology. The research results show that the wireless transmission data of the system is accurate and reliable. The linearity errors of acquisition divestiture (AD...

Vibration analysis is generally used in the industries for condition monitoring of various electromechanical equipment. For the predictive maintenance of the industry equipment, several techniques have been applied which are based on capacitive and piezoelectric accelerometers. However, they possess several real time problems due to the negative in...

Concentrated solar power (CSP) is considered a vital option for thermal desalination processes. Furthermore, power generation is an excessive option to be produced. In this work, thermo-economic analysis of the concentrated solar power combined with multi-effect distillation process at different working fluids has been performed. The first configur...

A new system design of using solar dish-hydro combined with reverse osmosis for sewage water treatment: case study Al-Marj, Libya a b s t r a c t A novel design of reverse osmosis (RO) membrane is performed for wastewater treatment processes in Al-Marj, Libya. In Al-Marj area, industrial wastewater formed sewage ponds in the region, which posed a g...

This is a performance model for solar still distillation by the use PCM storage medium is used. PCM material is used at the Still bottom. At the same time, heat exchanger coil is used to enhance the still performance through inlet/outlet hot water to the solar still. Moreover, the glass cover is cooled down in order to increase the rate of condens...

In this Flat Plate Solar Collector performance model, user will be able to discover the performance parameters such as efficiency, fin efficiency,outlet temperature, etc. The following parameters can be calculated: 1-Mean plate temperature. 2-FPC total area. 3-Overall losses. 4-Efficiency. 5-exergy analysis. Model download link: https://www.redsli...

Nowadays, designing new poly-generation systems is needed to meet the increasing communities demands of electrical energy, space cooling and fresh water. This should take more attention especially with the increasing conventional fossil fuel energy costs, freshwater shortage and CO2 emission. This work presents the thermodynamic analysis of a susta...

Solar-Wind systems are growing as a vital option to power different types of membrane desalination processes. It is becoming very important to use renewable power sources because of zero emissions to the environment. In this work, solar photovoltaic (PV) system is used to power on the reverse osmosis (RO) desalination process. Meanwhile, Vertical W...

This article proposes new methods of modeling and simulation of photovoltaic and horizontal wind turbine systems. The photovoltaic and horizontal wind turbines are modeled by the use of actual data sheets listed in the lookup table model. Moreover, artificial neural network numerical technique is used to simulate and evaluate the designed systems....

The operation of large-scale reverse osmosis units in combination with different solar power plants, both, Concentrating Solar Power (CSP) and Photovoltaics (PV) has been evaluated under variable load conditions. In the case of the Reverse Osmosis (RO) unit, configurations with and without an energy recovery device have been considered. In the case...

This article proposes new methods of modeling and simulation of photovoltaic and horizontal wind turbine systems. The photovoltaic and horizontal wind turbines are modeled by the use of actual data sheets listed in the lookup table model. Moreover, artificial neural network numerical technique is used to simulate and evaluate the designed systems....

This article presents a performance study of using different working fluids (gases) to power on Concentrated Solar Gas Engine (CSGE-Stirling and/or Brayton). Different working gases such as Monatomic (five types), Diatomic (three types) and Polyatomic (four types) are used in this investigation. The survey purported to increase the solar gas engine...

Wind turbine modeling based design technique is about a new method for wind systems

Solar panels modeling based design technique is about a new method for PV systems

Solar panels modeling based design technique is about a new method for PV systems

Solar panels modeling based design technique is about a new method for PV systems

The heating process of melting margarine requires a vast amount of thermal energy due to its high melting point and the size of the reservoir it is contained in. Existing methods to heat margarine have a high hourly cost of production and use fossil fuels which have been shown to have a negative impact on the environment. Thus, we perform an analyt...

Photovoltaic (PV) solar energy has become very important in power systems. PV systems became an affirmative part in power grids. For engineers; it is very important to design and simulate such systems that serve the solar plants. The PV modules are modeled by the use of actual manufacturers' data listed in the lookup table model. The lookup table i...

The recourse to renewable energy systems in general has become a reality. Thus, it has become very important for engineers to design and simulate such systems that serve the renewable desalination plants. A computer software package has been developed by the authors for design and simulation of renewable energy desalination systems (REDS). This was...

Solar thermal power cycles assisted multi-stage flash brine recycle (MSF-BR) distillation process are thermo-economically analyzed and evaluated. In this work, the analyses are compared according to three different configurations via two techniques of solar thermal power cycles. The first technique is considered for only desalination process; however,...

Many types of desalination technologies are widely used around the worldwide. Thermal and membrane types dominated the market share among the other technologies (freezing, electrodialysis, and ion-exchange). Currently, multistage flash considered the power house of desalination technologies; however, in the last few decades, multi effect distillati...

Clean, fresh drinking water is essential to human and other life needs like agricultures needs, human needs and artificial needs. Access to safe drinking water has improved steadily and substantially over the last decades in almost every part of the world. However, some observers have estimated that by 2025 more than half of the world population wi...

Solar power assisted different techniques of MED-VC (multi effect distillation-vapor compression) processes is thermo-economically analyzed and evaluated. In this work, two techniques of solar power cycles are considered to power on MED-PF-TVC, MVC (multi effect distillation thermal and mechanical vapor compressions). In the first technique, the de...

Solar energy with different configurations of multi-effect distillation process is thermo-economically evaluated. In this work, two different combined solar cycles with different configurations of multi effect distillation (MED) processes are considered. In the first technique, the solar energy is directly utilized from the solar collector field vi...

Thermo-economy is a useful and powerful tool that combines thermodynamics and economics. It can evaluate how irreversibility and costs of any process affect the exergoeconomic cost of the product. In this work, a number of comparisons for solar thermal-powered different recovery units for reverse osmosis desalination system are performed using ther...

Process simulation has become an accepted tool for the performance, design, and optimization calculations of solar desalination process units. Solving the mathematical models representing these units and systems is a tedious and repetitive problem. Nested iterative procedures are usually needed to solve these models. Also, the process configuration...

The presence of surfactant additives in water is found to enhance the boiling heat transfer significantly. The effect of using a surfactant as sodium lauryl sulfate (SLS) in relatively small dosages of concentration with a small size unit of solar water distillation process is investigated. Sun simulator (electric heater and variac transformer) is...

It is important for many solar energy systems to estimate and predict the instant or daily mean direct and diffuse irradiation on horizontal or tilted surfaces at any known location. One of the targets of the present article is to perform a simple statistical evaluation of 7 model results. These models are employed to estimate and predict the solar...

A small unit for water desalination by solar energy and a flash evaporation process is investigated. The system is built at the Faculty of Petroleum and Mining Engineering at Suez, Egypt. The system consists of a solar water heater (flat plate solar collector) working as a brine heater and a vertical flash unit that is attached with a condenser/pre...

Global resources of fresh water are scarce, unevenly distributed and, in many cases, may require some form of treatment and handling. These limited resources have resulted in water shortages in 88 developing countries across the world containing 50% of the world's population. Need for purification of saline water is increasing due to an increase of...

Flat plate collectors are sophisticated greenhouses that trap and use the heat from sun to rise the temperature of water up to about 70 oC. Useful energy from the sun is transferred to the tubes that are mounted with the absorber plate. Solar collectors are widely used to provide hot water in hospitals, hotels, buildings, industrial applications an...