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Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Design and analysis of solar-tracking 2D fresnel lens-based, two-staged, spectrum-splitting solar concentrators written by and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dawei Liang
Publisher : Springer Nature
ISBN 13 : 303124785X
Total Pages : 320 pages
Book Rating : 4.0/5 (312 download)
Download or read book Solar-Pumped Lasers written by Dawei Liang and published by Springer Nature. This book was released on 2023-05-01 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook is a comprehensive review of many different areas in solar-pumped lasers design and characterization. It enables readers to develop their skills in general solid-state laser design and solar collector design and provides numerous solved exercises at the end of each chapter to further this development. This book begins by introducing the brief history of solar-pumped laser and its potential applications. It explains the basic theories of imaging and non-imaging primary, secondary, and tertiary solar concentrators. It discusses solar-pumped solid-state laser theory and solar-to-laser power conversion efficiencies. There are chapters dedicated to ZEMAX and LASCAD numerical simulation tools, to help develop readers’ skills in innovative solid-state laser design. This book is one of the first books to relate concentrated solar energy technologies to solid-state laser technologies and is therefore of interest to students, academics, engineers, and laser and optical system designers.
Author : Ralf Leutz
Publisher : Springer
ISBN 13 : 3540452907
Total Pages : 279 pages
Book Rating : 4.5/5 (44 download)
Download or read book Nonimaging Fresnel Lenses written by Ralf Leutz and published by Springer. This book was released on 2012-12-06 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed and comprehensive account of the engineering of the world’s first nonimaging Fresnel lens solar concentrator. The book closes a gap in solar concentrator design, and describes nonimaging refractive optics and its numerical mathematics. The book shows the reader how to find his or her own optical solution using the rules and methodologies covering the design and the assessment of the nonimaging lens.
Author : Hassan Darwish Hassan Qandil
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (13 download)
Download or read book Investigations of the Fresnel Lens Based Solar Concentrator System Through a Unique Statistical-Algorithmic Approach written by Hassan Darwish Hassan Qandil and published by . This book was released on 2019 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work investigates the Fresnel-lens-based solar concentrator-receiver system in a multi-perspective manner to design, test and fabricate this concentrator with high-efficiency photon and heat outputs and a minimized effect of chromatic aberrations. First, a MATLAB®-incorporated algorithm optimizes both the flat-spot and the curved lens designs via a statistical ray-tracing methodology of the incident light, considering all of its incidence parameters. The target is to maximize the solar ray intensity on the receiver's aperture, and therefore, achieve the highest possible focal flux. The algorithm outputs prismatic and dimensional geometries of the Fresnel-lens concentrator, which are simulated by COMSOL® Multiphysics to validate the design. For the second part, a novel genetically-themed hierarchical algorithm (GTHA) has been investigated to design Fresnel-lens solar concentrators that match with the distinct energy input and spatial geometry of various thermal applications. Basic heat transfer analysis of each application decides its solar energy requirement. The GTHA incorporated in MATLAB® optimizes the concentrator characteristics to secure this energy demand, balancing a minimized geometry and a maximized efficiency. Two experimental applications were selected from literature to validate the optimization process, a solar welding system for H13 steel plates and a solar Stirling engine with an aluminum-cavity receiver attached to the heater section. In each case, a flat Fresnel-lens with a spot focus was algorithmically designed to supply the desired solar heat, and then a computer simulation of the optimized lens was conducted showing great comparability to the original experimental results. Thirdly, the prismatic geometry of the Fresnel lens was further optimized through a statistical approach that incorporates laws of light refraction and trigonometry. The proposed design produces high focal irradiance that is more suitable for thermal applications. The motivation was to enhance the tolerability of a flat Fresnel-lens concentrator to tracking errors, without the use of secondary optics or sophisticated, and normally costly, meticulous tracking equipment. A comparative simulation analysis was conducted for two case studies from literature, each with a different design method. Fresnel lenses optimized by this work enhanced the concentration acceptance product (CAP) significantly, compared to that in literature. Then, this work introduced an innovative code-based, detailed, and deterministic geometrical approach, which couples the optimization of the Fresnel lens primary optical element (POE) and the dome-shaped secondary optical element (SOE). The objective was to maximize the concentration acceptance product, while using the minimum SOE and receiver geometries at a given f-number and incidence angle (also referred to as the tracking error angle). The laws of polychromatic light refraction along with trigonometry and spherical geometry were utilized to optimize the POE grooves, SOE radius, receiver size, and SOE-receiver spacing. Two literature case studies were analyzed to verify this work's optimization, and the equivalent POEs designed by this work, with optimized SOEs, showed a significant enhancement in the CAP values compared to that of literature. Lastly, four methods for prototyping the Fresnel lens were discussed and experimentally tested; 3D printing, acrylic resin casting, direct CNC machining in acrylic and hot embossing. Once tested, the methods of CNC machining and hot embossing of acrylic proved to be the most promising in terms of cost, fabrication time, and concentration effectiveness. Future work will focus on enhancing the algorithmic design and improving the quality of lens fabrication.
Author : Zafrullah Jagoo
Publisher : Springer Science & Business Media
ISBN 13 : 940076104X
Total Pages : 108 pages
Book Rating : 4.4/5 (7 download)
Download or read book Tracking Solar Concentrators written by Zafrullah Jagoo and published by Springer Science & Business Media. This book was released on 2013-01-30 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Harnessing a multitude of complementary green energy sources is the only plausible way to satisfy the energy demands of a greedy global economy. The potential of solar energy (being the most abundant) in fulfilling part of the energy requirements of mankind is immense and constitutes the focal point of this book. A self-powered solar tracker that points directly towards the sun by means of an integrated control mechanism with two degrees of rotational freedom was studied and developed. The electro-mechanical control system is based on a precisely-timed microcontroller circuit that first computes the altitude and azimuth of the sun in real-time and then drives a pair of stepper motors that steer the solar tracker towards it. A locally built fibre-glass parabolic dish, the surface of which is lined with a reflective vinyl mirror film, serves to concentrate solar rays on its surface.
Author : Leon J. Hastings
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (317 download)
Download or read book An Analytical and Experimental Investigation of a 1.8 by 3.7 Meter Fresnel Lens Solar Concentrator written by Leon J. Hastings and published by . This book was released on 1977 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph O'Gallagher
Publisher : Springer Nature
ISBN 13 : 3031794206
Total Pages : 119 pages
Book Rating : 4.0/5 (317 download)
Download or read book Nonimaging Optics in Solar Energy written by Joseph O'Gallagher and published by Springer Nature. This book was released on 2022-05-31 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonimaging optics is a subdiscipline of optics whose development over the last 35–40 years was led by scientists from the University of Chicago and other cooperating individuals and institutions. The approach provides a formalism that allows the design of optical devices that approach the maximum physically attainable geometric concentration for a given set of optical tolerances. This means that it has the potential to revolutionize the design of solar concentrators. In this monograph, the basic practical applications of the techniques of nonimaging optics to solar energy collection and concentration are developed and explained. The formalism for designing a wide variety of concentrator types, such as the compound parabolic concentrator and its many embodiments and variations, is presented. Both advantages and limitations of the approach are reviewed. Practical and economic aspects of concentrator design for both thermal and photovoltaic applications are discussed as well. The whole range of concentrator applications from simple low-concentration nontracking designs to ultrahigh-concentration multistage configurations is covered. Table of Contents: Introduction / CPCs / Practical Design of CPC Thermal Collectors / Practical Design of CPC PV Concentrators / Two-Stage Nonimaging Concentrators for Solar Thermal Applications / Two-Stage Nonimaging Concentrators for Solar PV Applications / Selected Demonstrations of Nonimaging Concentrator Performance / The Importance of Economic Factors in Effective Solar Concentrator Design / Ultrahigh Concentration / Bibliography
Author : InterTechnology/Solar Corporation
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.3/5 (91 download)
Download or read book Design of a 20-KWP Photovoltaic Concentrator Experiment at Fauquier High School, Warrenton, Virginia written by InterTechnology/Solar Corporation and published by . This book was released on 1979 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert M. Cosby
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.F/5 ( download)
Download or read book The linear Fresnel lens solar concentrator written by Robert M. Cosby and published by . This book was released on 1977 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leon Jett Hastings
Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (31 download)
Download or read book An analytical and experimental investigation of a 1.8 by 3.7 meter Fresnel lens solar concentrator written by Leon Jett Hastings and published by . This book was released on 1977 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Antonio Luque López
Publisher : Springer
ISBN 13 : 354068798X
Total Pages : 348 pages
Book Rating : 4.5/5 (46 download)
Download or read book Concentrator Photovoltaics written by Antonio Luque López and published by Springer. This book was released on 2007-08-17 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives an overview of all components, e.g. cells, concentrators, modules and systems, for systems of concentrator photovoltaics. It is an application-oriented book. The authors report on significant results related to design, technology, and applications, and they also cover the fundamental physics and market considerations.
Author : Dawei Liang
Publisher : Mdpi AG
ISBN 13 : 9783036560373
Total Pages : 0 pages
Book Rating : 4.5/5 (63 download)
Download or read book Challenge and Research Trends of Solar Concentrators written by Dawei Liang and published by Mdpi AG. This book was released on 2022-12-08 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Primary and secondary solar concentrators are of vital importance for advanced solar energy and solar laser researches. Some of the most recent developments in primary and secondary solar concentrators were firstly presented. A novel three-dimensional elliptical-shaped Fresnel lens analytical model was put forward to maximize the solar concentration ratio of Fresnel-lens-based solar concentrators. By combining a Fresnel lens with a modified parabolic mirror, significant improvement in solar laser efficiency was numerically calculated. A fixed fiber light guide system using concave outlet concentrators was proposed. The absence of a solar tracking structure highlights this research. By shaping a luminescent solar concentrators in the form of an elliptic array, its emission losses was drastically reduced. Simple conical secondary concentrator was effective for thermal applications. New progresses in solar-pumped lasers by NOVA University of Lisbon were presented. By adopting a rectangular fused silica light guide, 40 W maximum solar laser power was emitted from a single Ce: Nd: YAG rod. An aspheric fused silica secondary concentrator and a small diameter Ce: Nd: YAG rod were essential for attaining 4.5 % record solar-to-laser power conversion efficiency. A novel solar concentrator design for the efficient production of doughnut-shaped and top-hat solar laser beams were also reported. More importantly, a novel solar concentrator approach for the emission of 5 kW-class TEM00 mode solar laser beams from one megawatt solar furnace was put forward at the end of this book, revealing promising future for solar-pumped lasers.
Author : Ronald M. Cosby
Publisher :
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.:/5 (31 download)
Download or read book Solar concentration by curved-base fresnel lenses written by Ronald M. Cosby and published by . This book was released on 1977 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Adm Nasa
Publisher : Independently Published
ISBN 13 : 9781724024756
Total Pages : 30 pages
Book Rating : 4.0/5 (247 download)
Download or read book Ultralightweight Fresnel Lens Solar Concentrators for Space Power written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-09-25 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first phase of this project was completed in March 2000, and included the successful technology demonstration of a new ultralightweight photovoltaic concentrator array at the fully functional panel level. The new array is called the Stretched Lens Aurora (SLA) array, and uses deployable, flexible, thin-film silicone rubber Fresnel lenses to focus sunlight onto high efficiency multijunction solar cells, which are mounted to a composite radiator surface for waste heat dissipation. A prototype panel was delivered to NASA Marshall in March 2000, and comprised four side-by-side lenses focussing sunlight onto four side-by-side photovoltaic receivers. This prototype panel was tested by NASA Glenn prior to delivery to NASA Marshall. The best of the four lens/receiver modules achieved 27.4% efficiency at room temperature in the NASA Glenn solar simulator tests. This performance equates to 375 W/sq.m. areal power and 378 W/kg specific power at the fully functional panel level. We believe this to be the first space solar array of any kind to simulataneously meet the two long-standing NASA goals of 300 W/sq.m. and 300 W/kg at the functional panel level. Key results for the first phase of the program have been documented by ENTECH in a Draft Final Technical Report, which is presently being reviewed by NASA, and which should be published in the near future. ONeill, M. J. and McDanal, A. J. Marshall Space Flight Center NAS8-99133-FTR-02(Mod.1)
Author : Carlos Alejandro Ramírez Paredes
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Optical Design of Segmented Heliostat and Reduced Focal Distance Fresnel Lens for Solar Energy Concentration written by Carlos Alejandro Ramírez Paredes and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "In this research a novel solar tracking concentrator system comprised by a vertical fixed Frensel lens (FL) with reduced focal distance, a solar-tracker array of facets in a segmented-heliostat(SH) configuration and a stationary receiver at focal point is developed. The aim is to collect the solar irradiance by means of an innovative system able to concentrate it in a well-defined area with minimal mechanical effort for solar tracking; reduced ground's area for installation; low structural and foundation demands for wind loads-supporting; and high collection efficiency".
Author : Leon J. Hastings
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (181 download)
Download or read book An Analytical and Experimental Evaluation of a Fresnel Lens Solar Concentrator written by Leon J. Hastings and published by . This book was released on 1976 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Keith Lovegrove
Publisher : Elsevier
ISBN 13 : 0857096176
Total Pages : 709 pages
Book Rating : 4.8/5 (57 download)
Download or read book Concentrating Solar Power Technology written by Keith Lovegrove and published by Elsevier. This book was released on 2012-10-19 with total page 709 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concentrating solar power (CSP) technology is poised to take its place as one of the major contributors to the future clean energy mix. Using straightforward manufacturing processes, CSP technology capitalises on conventional power generation cycles, whilst cost effectively matching supply and demand though the integration of thermal energy storage. Concentrating solar power technology provides a comprehensive review of this exciting technology, from the fundamental science to systems design, development and applications. Part one introduces fundamental principles of concentrating solar power systems. Site selection and feasibility analysis are discussed, alongside socio-economic and environmental assessments. Part two focuses on technologies including linear Fresnel reflector technology, parabolic-trough, central tower and parabolic dish concentrating solar power systems, and concentrating photovoltaic systems. Thermal energy storage, hybridization with fossil fuel power plants and the long-term market potential of CSP technology are explored. Part three goes on to discuss optimisation, improvements and applications. Topics discussed include absorber materials for solar thermal receivers, design optimisation through integrated techno-economic modelling, heliostat size optimisation, heat flux and temperature measurement technologies, concentrating solar heating and cooling for industrial processes, and solar fuels and industrial solar chemistry. With its distinguished editors and international team of expert contributors, Concentrating solar power technology is an essential guide for all those involved or interested in the design, production, development, optimisation and application of CSP technology, including renewable energy engineers and consultants, environmental governmental departments, solar thermal equipment manufacturers, researchers and academics. Provides a comprehensive review of concentrating solar power (CSP) technology, from the fundamental science to systems design, development and applications Reviews fundamental principles of concentrating solar power systems, including site selection and feasibility analysis and socio-economic and environmental assessments Provides an overview of technologies such as linear Fresnel reflector technology, parabolic-trough, central tower and parabolic dish concentrating solar power systems, and concentrating photovoltaic systems
