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Hydrodynamic Stability In Diffusive Interfaces With Implications For Salt Gradient Solar Pond Operation
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Book Synopsis Hydrodynamic Stability in Diffusive Interfaces with Implications for Salt Gradient Solar Pond Operation by : Bruce P. Marett
Download or read book Hydrodynamic Stability in Diffusive Interfaces with Implications for Salt Gradient Solar Pond Operation written by Bruce P. Marett and published by . This book was released on 1988 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analytical and Experimental Studies on Salt Gradient Solar Ponds, with Emphasis on Thermal Performance, Radiation Transmission and Hydrodynamic Stability by : Panayotis Theodore Tsilingiris
Download or read book Analytical and Experimental Studies on Salt Gradient Solar Ponds, with Emphasis on Thermal Performance, Radiation Transmission and Hydrodynamic Stability written by Panayotis Theodore Tsilingiris and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Salinity Gradient Solar Ponds by : John R. Hull
Download or read book Salinity Gradient Solar Ponds written by John R. Hull and published by Springer. This book was released on 1988-12-31 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite a dearth of both water and love, the family discovers, through sorrow and fear, the green kiss of the Kappa Child, a mythical creature who blesses those who can imagine its magic -- back cover.
Book Synopsis Stability Considerations and a Double-diffusive Convection Model for Solar Ponds by :
Download or read book Stability Considerations and a Double-diffusive Convection Model for Solar Ponds written by and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A brief survey is made on the basic principles, current designs and economic advantages of salinity-gradient solar ponds as solar collectors and reservoirs. Solar ponds are well-suited for various AIPH (agricultural and industrial process heat) applications, and as annual storage devices for space heating and cooling. The benefit of an efficient pond is demonstrated via a preliminary economic analysis which suggests the idea of energy farming as a profitable alternative for land usage in the face of rising fuel cost. The economy and reliability of solar-pond operation depend crucially on the stability of the nonconvective gradient zone against disturbances such as generated by a severe weather condition. Attention is focused on the subject of stability, and pertinent existing results are summarized and discussed. Details of the derivation of three-dimensional stability criteria for thermohaline convection with linear gradients are presented. Ten key questions pertaining to stability are posed, whose answers must be sought through extensive analytical and numerical studies. Possible methods of approach toward enhancing solar-pond stability are also discussed. For the numerical studies of pond behavior and stability characteristics, a double-diffusive convection model is proposed. The model can be constructed by extending the three-dimensional thermohydrodynamic computer code COMMIX-SA, following the necessary steps outlined; computational plans are described. Similarities exist between the halothermocline and the thermocline storage systems, and an extended COMMIX-SA will be a valuable tool for the investigation of both.
Book Synopsis Proceedings of the ... Annual Meeting, American Solar Energy Society, Inc by : American Solar Energy Society. Meeting
Download or read book Proceedings of the ... Annual Meeting, American Solar Energy Society, Inc written by American Solar Energy Society. Meeting and published by . This book was released on 1984 with total page 962 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solar Pond Studies written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The diffusion equation for salt gradient solar ponds has been modified to include the Soret effect (a thermal cross-effect due to the temperature gradient). The contribution of the Soret effect to the diffusion flux of salt is shown to be on the order of 4% in the winter and 28% in the summer for the UNM NaCl solar pond. The traditional stability criterion for solar ponds remains practically unchanged by the Soret effect. However, the contribution of non-constant properties (diffusion coefficient, thermal diffusivity and viscosity) - which have been neglected so far - seems to be significant. Saturated solar ponds are described by a system of differential equations which include the Soret effect, the formation and redissolving of crystals. The analytical solutions of this system are given for the steady-state and constant properties. A laboratory experiment using KNO/sub 3/ confirms the existence of a stable saturated gradient. Temperatures of up to 90/sup 0/C and temperature gradients of up to 2/sup 0/C/cm were used in the experiment without any sign of convective layers. A saturated gradient at steady state includes a super saturated region close to the surface which results in the fallout of crystals in that region. The diffusion flux of salt is thus balanced by a flux of crystals downwards and the net flux of salt is zero in a steady state.
Book Synopsis Modelling the Thermal Potential and Operation of Salinity Gradient Solar Ponds by : Sirajadien Alzin
Download or read book Modelling the Thermal Potential and Operation of Salinity Gradient Solar Ponds written by Sirajadien Alzin and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Access to freshwater is crucial for socio-economic development. In Libya, the demand for freshwater is soaring, but the supply is limited. Freshwater is intrinsically linked to energy where the paramount consideration for its sustainability is the amount of energy required to guarantee sufficient supplies of freshwater through seawater-desalination. This emphasises two paramount needs that should be promptly sought as a national priority, first stringent water conservation, and second the employment of sustainable energy sources to power desalination. Salinity Gradient Solar Pond (SGSP) can be one of a mix of technologies leading to a future based on sustainable energy. This study models the potential and operation of SGSPs as a source of thermal energy in Libya. The study makes an original contribution to knowledge by explaining the essence (when, how,and where) of the SGSP operational instability. It also investigates the optimum zone thicknesses ratio of the three different salinity zones constituting the SGSP; Upper Convective Zone (UCZ), middle Non-Convective Zone (NCZ), and Lower Convective Zone (LCZ) while implementing the double-diffusive convection (DDC) phenomenon. One-dimensional and two-dimensional numerical studies are conducted. The results indicate that SGSP has the potential to provide hot saline-water at a temperature exceeding 70°C for multi-effect desalination thermal vapour compression units which require a minimum top brine temperature of 60 - 65°C. At a SGSP thermal output of 55 W m−2, 46.8 m2 of land is required for the production of 1 m3 per day of distillate. The two-dimensional study explains the nature of the operational instability where the occurrence and expansion of convective cells at the interfaces of the NCZ due to DDC leads to instability. This study also gathered evidence on the effect of buoyancy ratio. Salt concentration differences separating the UCZ and the LCZ should be sustained at 300 kg m−3 to maintain stability. The optimum zone thicknesses for an average SGSP of 2 m height are 0.4, 1.2, and 0.4 meters for the UCZ, the NCZ, and the LCZ, respectively.
Book Synopsis Journal of Solar Energy Engineering by :
Download or read book Journal of Solar Energy Engineering written by and published by . This book was released on 1983 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ASES 1984 by : American Solar Energy Society. Meeting
Download or read book ASES 1984 written by American Solar Energy Society. Meeting and published by . This book was released on 1984 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solar Engineering--1989 by : A. H. Fanney
Download or read book Solar Engineering--1989 written by A. H. Fanney and published by . This book was released on 1989 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Chemical Physics, Volume 26 by : Ilya Prigogine
Download or read book Advances in Chemical Physics, Volume 26 written by Ilya Prigogine and published by John Wiley & Sons. This book was released on 2009-09-08 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Advances in Chemical Physics series provides the chemical physics and physical chemistry fields with a forum for critical, authoritative evaluations of advances in every area of the discipline. Filled with cutting-edge research reported in a cohesive manner not found elsewhere in the literature, each volume of the Advances in Chemical Physics series serves as the perfect supplement to any advanced graduate class devoted to the study of chemical physics.
Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solar Engineering of Thermal Processes, Photovoltaics and Wind by : John A. Duffie
Download or read book Solar Engineering of Thermal Processes, Photovoltaics and Wind written by John A. Duffie and published by John Wiley & Sons. This book was released on 2020-03-24 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt: The bible of solar engineering that translates solar energy theory to practice, revised and updated The updated Fifth Edition of Solar Engineering of Thermal Processes, Photovoltaics and Wind contains the fundamentals of solar energy and explains how we get energy from the sun. The authors—noted experts on the topic—provide an introduction to the technologies that harvest, store, and deliver solar energy, such as photovoltaics, solar heaters, and cells. The book also explores the applications of solar technologies and shows how they are applied in various sectors of the marketplace. The revised Fifth Edition offers guidance for using two key engineering software applications, Engineering Equation Solver (EES) and System Advisor Model (SAM). These applications aid in solving complex equations quickly and help with performing long-term or annual simulations. The new edition includes all-new examples, performance data, and photos of current solar energy applications. In addition, the chapter on concentrating solar power is updated and expanded. The practice problems in the Appendix are also updated, and instructors have access to an updated print Solutions Manual. This important book: • Covers all aspects of solar engineering from basic theory to the design of solar technology • Offers in-depth guidance and demonstrations of Engineering Equation Solver (EES) and System Advisor Model (SAM) software • Contains all-new examples, performance data, and photos of solar energy systems today • Includes updated simulation problems and a solutions manual for instructors Written for students and practicing professionals in power and energy industries as well as those in research and government labs, Solar Engineering of Thermal Processes, Fifth Edition continues to be the leading solar engineering text and reference.
Book Synopsis Hydrodynamics and Water Quality by : Zhen-Gang Ji
Download or read book Hydrodynamics and Water Quality written by Zhen-Gang Ji and published by John Wiley & Sons. This book was released on 2017-07-05 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary reference for the modeling of hydrodynamics and water quality in rivers, lake, estuaries, coastal waters, and wetlands This comprehensive text perfectly illustrates the principles, basic processes, mathematical descriptions, case studies, and practical applications associated with surface waters. It focuses on solving practical problems in rivers, lakes, estuaries, coastal waters, and wetlands. Most of the theories and technical approaches presented within have been implemented in mathematical models and applied to solve practical problems. Throughout the book, case studies are presented to demonstrate how the basic theories and technical approaches are implemented into models, and how these models are applied to solve practical environmental/water resources problems. This new edition of Hydrodynamics and Water Quality: Modeling Rivers, Lakes, and Estuaries has been updated with more than 40% new information. It features several new chapters, including one devoted to shallow water processes in wetlands as well as another focused on extreme value theory and environmental risk analysis. It is also supplemented with a new website that provides files needed for sample applications, such as source codes, executable codes, input files, output files, model manuals, reports, technical notes, and utility programs. This new edition of the book: Includes more than 120 new/updated figures and 450 references Covers state-of-the-art hydrodynamics, sediment transport, toxics fate and transport, and water quality in surface waters Provides essential and updated information on mathematical models Focuses on how to solve practical problems in surface waters—presenting basic theories and technical approaches so that mathematical models can be understood and applied to simulate processes in surface waters Hailed as “a great addition to any university library” by the Journal of the American Water Resources Association (July 2009), Hydrodynamics and Water Quality, Second Edition is an essential reference for practicing engineers, scientists, and water resource managers worldwide.
Book Synopsis Solar Engineering of Thermal Processes by : John A. Duffie
Download or read book Solar Engineering of Thermal Processes written by John A. Duffie and published by Wiley. This book was released on 2006-08-25 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The updated, cornerstone engineering resource of solar energy theory and applications. Solar technologies already provide energy for heat, light, hot water, electricity, and cooling for homes, businesses, and industry. Because solar energy only accounts for one-tenth of a percent of primary energy demand, relatively small increases in market penetration can lead to very rapid growth rates in the industryâ??which is exactly what has been projected for coming years as the world moves away from carbon-based energy production. Solar Engineering of Thermal Processes, Third Edition provides the latest thinking and practices for engineering solar technologies and using them in various markets. This Third Edition of the acknowledged leading book on solar engineering features: Complete coverage of basic theory, systems design, and applications Updated material on such cutting-edge topics as photovoltaics and wind power systems New homework problems and exercises
Book Synopsis Energy Technology VIII by : Government Institutes
Download or read book Energy Technology VIII written by Government Institutes and published by . This book was released on 1981 with total page 1482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
