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Showing 1 to 19 of 19 for “"thermal desalination"”.
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Superstructure optimization of hybrid thermal desalination configurations
… number of resources are dedicated to seawater desalination technologies. In areas with high temperature and salinity water, thermal desalination technologies are often employed. In other areas, reverse osmosis technologies are more popular. While both these technologies have witnessed …
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Numerical study of a hybrid photovoltaic thermal desalination system
… to electrical energy. Hybrid photovoltaic thermal (PV/T) desalination systems have emerged as one way of improving the overall efficiency of PV panels as they make use of the waste heat from panels to aid the desalination process in solar stills. Solar stills have been modelled with …
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Thermal desalination : structural optimization and integration in clean power and water
… number of resources are dedicated to seawater desalination and will only grow as world-wide water scarcity increases. In arid areas with high temperature and salinity seawater, thermal desalination and power plants (dual-purpose/co-generation plants) are often employed for the production of …
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Investigations on Air-cooled Air Gap Membrane Distillation and Radial Waveguides for Desalination
… on air-cooled air gap membrane distillation for desalination and the application of radial waveguides based on total internal reflection for solar thermal desalination. Using an air-cooled design for an air gap membrane distillation (AGMD) process may result in significantly lower energy …
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Saturation curve analysis of humidification-dehumidification desalination systems and analysis of reversible ejector performance
… of humidification-dehumidification (HDH) desalination systems are investigated. Secondly, ejector technologies are analyzed as a means of powering desalination systems thermally. Thermal desalination systems offer advantages over membrane technologies in terms of robustness. They are less …
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Thermodynamic design and fouling of membrane distillation systems
… and climate change, the market for efficient desalination technologies has grown rapidly to fill the void. One such developing technology, membrane distillation (MD), has experienced keen academic interest and an increase in start-up businesses in the past decade. MD has expanded into a niche …
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Enhancement of heat transfer coefficient using nanofluids for multi-stage flash desalination (MSF) plant
<p>“The enhancement of thermal conductivity and local heat transfer coefficient, under laminar and turbulent flow regimes, of water-based spherical Al<sub>2</sub>O<sub>3</sub>, CuO, and Fe<sub>2</sub>O<sub>3</sub> nanofluids have been experimentally investigated for the improvement of the thermal …
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Extraction based thermodynamic balancing for a humidification dehumidification desalination plant
Humidification dehumidification (HDH) desalination is a thermal driven desalination technology. One of the main issues with HDH desalination is the high energy consumption involved. The energy efficiency of thermal desalination systems is given by a non-dimensional number known as the gained output …
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Hierarchical superhydrophobic aluminum surfaces for condensation applications
Many existing industrial systems, including thermal desalination plants and air conditioning systems, involve the process of condensation and are heavily dependent on this process for achieving adequate levels of energy efficiency. In order to obtain these levels of efficiency, condensation heat …
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Strategies to Enhance Performance of Solar Driven Desalination
… arrays into small “hot-spots”, on top of a photothermal membrane dramatically increases – by more than 50% - the flux of distilled water. This large boost in efficiency results from the nearly exponential dependence of water vapor saturation pressure on temperature, and therefore on incident …
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Thermal design of humidification dehumidification systems for affordable and small-scale desalination
… (HDH) technology is a carrier-gas-based thermal desalination technique ideal for application in a small-scale system but, currently, has a high cost of water production (about 30 $/m³ of pure water produced). The present thesis describes fundamental contributions to the thermal design of …
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Membrane distillation for high salinity desalination
… flash distillation (MSF) is evaluated for desalination, brine concentration, and produced water reclamation applications. A wide range of solution concentrations were accurately modeled by implementing Pitzer's equations for NaCl-solution properties. The viability of MSVMD use for zero …
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Development of a multi-stage bubble column dehumidifier for application in a hymidification dehumidification desalination system
… at MIT and KFUPM have been developing many novel desalination systems. One of the new technologies originating from the Lienhard Research Laboratory is the Humidification Dehumidification desalination system, or HDH. In many ways HDH resembles the natural rain cycle for producing fresh water, in …
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Development of energy efficient membrane distillation systems
… (MD) has shown potential as a means of desalination and water purification. As a thermally driven membrane technology which runs at relatively low pressure, which can withstand high salinity feed streams, and which is potentially more resistant to fouling, MD could be used for …
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Conceptual design of a concentrating solar power plant for a combined electricity and water supply of the city El Gouna
… concentrating solar power (CSP) plants with thermal storage can have significant energetic and economic benefits to supply regions with high direct irradiation and good seawater access. Due to increasing water scarcity, the Middle-East North-Africa (MENA) region has a high demand of desalinated …
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Development and validation of a thermodynamic model for predicting mode transitions in falling film flows over horizontal tubes
… to many industries, with example applications in thermal desalination, vapor compression machines, absorption chillers, and natural gas liquefaction. Falling-film heat and mass exchangers are attractive for these applications because, in comparison to other designs, they provide high transport …
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A study into the effects of spray and jet characteristics on flash evaporation system
Low temperature flash evaporation desalination is a separation system that isolates liquids from other materials when seawater or any fluid undergoes evaporation. Extreme flash evaporation occurs when a low heated liquid is injected into the vacuum area, where the pressure is far below the …
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Design and Operation of Multi Effect Distillation- Reverse Osmosis based Hybrid Desalination Process. Modelling, Simulation and Optimisation of Design and Operation Parameters of Multi Effect Distillation and Reverse Osmosis Hybrid Desalination Processes for Producing Multi-grade Waters at Minimum Energy and Minimum Cost of Production
… in the world population puts more stress on the desalination sectors, which requires the installation of high-efficient thermal desalination plants. Among these desalination plants, multi effect desalination (MED) and RO processes are considered as the most reliable techniques of producing …
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Crystallization fouling and liquid retention on engineered surfaces during liquid-vapor phase change
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms