Refractive integrated nonimaging solar collectors citeseerx. Addresses applications ranging from solar energy concentration to illumination engineering introduction to nonimaging optics, second edition invites newcomers to explore the growing field of nonimaging optics, while providing seasoned veterans with an extensive reference book. In order to achieve competitive system costs in massproduction, it is essential that cpv concentrators incorporate sufficient manufacturing tolerances. Nonimaging optics in solar energy electronic resource in. This text begins with discussions on the development of formalisms in nonimaging optics, specifically in the use of geometrical vector flux concept, which have led to entirely different concentrator designs.
The project team of university of california at merced ucm, gas technology institute, and dr. Nonimaging fresnel lenses design and performance of. Oct 28, 2015 high collection nonimaging optics by w. This article examines the collecting and intensifying of solar radiation by means of nonimaging concentrators. Dec 06, 2012 which you will get, mostly in terms of nonimaging optics, complete with test results, and set against the competition of imaging fresnel lenses and mirrorbased imaging and nonimaging concentrators. Download or read solar energy book by clicking button below to visit the book download website. It has produced and continued to produce innovations in particle science, illumination, cosmic ray measurement, solar concentration. The term nonimaging optics is concerned with applications where imaging formation is not important but where effective and efficient collection, concentration, transport and distribution of light energy is i. Fundamentals and techniques of nonimaging optics for solar. Journal of daylighting open access energy journals.
A novel absorptivereflective solar concentrator for heat and. Head of solar optics design and mathematical modeling unit. Nonimaging devices substantially outperform conventional imaging lenses and mirrors in these applications, approaching the theoretical. The techniques of nonimaging optics are particularly valuable in space or lunar environments in which the use of solar thermal energy has obvious advantages.
The first chapters briefly explain the optics of solar energy concentra tors. Development of fresnelbased concentrated photovoltaic. Dec 19, 2017 addresses applications ranging from solar energy concentration to illumination engineering introduction to nonimaging optics, second edition invites newcomers to explore the growing field of nonimaging optics, while providing seasoned veterans with an extensive reference book. Light trapped within luminescent solar concentrators lscs is naturally limited in angular extent by the total internal reflection critical angle.
Whereas nonimaging concentrators based on reflective, refractive, or diffractive optics operate most effectively for collimated light, luminescent concentrators lcs rely on absorption, reemission, and waveguiding to concentrate diffuse light incident from any. An ultralowcost solar photovoltaicthermal pvt collector using aluminum minichannels and nonimaging optics paper 1149522 authors. Introduction to nonimaging optics chaves, julio download. Eli yablonovitch of university of california at berkeley developed a novel hybrid concentrated solar photovoltaic thermal pvt collector using nonimaging optics and world record singlejunction gallium arsenide gaas pv components integrated with particle laden gas as thermal transfer and. Nonimaging optics departs from the methods of traditional optical design by instead developing techniques for maximizing the collecting power of illumination elements and systems. The properties of a variety of new and previously known nonimaging optical configurations were investigated. Most of the designs have issues of low efficiency in terms of irradiance uniformity. Download citation nonimaging optics in solar energy nonimaging optics is a subdiscipline of optics whose development over. This paper presents an advanced concentrator optic comprising a fresnel lens and a refractive secondary element, both with broken rotational symmetry, an optic producing both the desired light concentration with high tolerance high acceptance. Nonimaging optics in solar energy fb2 site nygegobi. 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. Features a new and intuitive introduction with a basic description of the advantages of nonimaging opticsadds new chapters on wavefronts for a prescribed output irradiance or intensity, infinitesimal etendue optics generalization of the aplanatic optics, and kohler optics and color. Unlike traditional imaging optics, the techniques involved do not attempt to form an image of the source.
Nonimaging optics in solar energy oreilly online learning. Hybrid solar collector using nonimaging optics and. Nonimaging optics takes the perspective of optics based on the energy and thermodynamic perspective. Nonimaging optics is a subdiscipline of optics whose development over the last 3540 years was led by scientists from the university of chicago and other cooperating individuals and institutions. Pdf nonimaging optics is the theory of thermodynamically efficient optics and as such, depends more on thermodynamics than on optics. Different designs have been presented to achieve high concentration and uniformity for the concentrated photovoltaic cpv system. Pdf nonimaging optics is the theory of thermodynamically efficient optics. The proof is based on the impossibility of certain conditions, for example heat flows from a cold body to a warm body free cooling is 0 but i cool while you warm up.
The most commonly used technology that leverages nonimaging optics is the compound parabolic concentrator cpc. Nonimaging optics in solar energy joseph ogallagher. Roland winston is a leading figure in the field of nonimaging optics and its applications to solar energy. Introduction to nonimaging optics, second edition invites newcomers to explore the growing field of nonimaging optics, while providing seasoned veterans with an extensive reference book. Here, we use rigorous raytracing simulations to explore the potential of this concept for realistic. Technology, science, and society, morgan and claypool, 2008 solar concentrating and storage architectonics jh goodman nov. The goals are 1 to fill the field of view of the cpc as much as possible and 2 to identify those design factors.
Introduction to nonimaging optics provides the first entrylevel resource on this rapidly developing field. Both phase space and vector flux representation for. Nonimaging optics in solar energy everything about solar. Posted on august, 20 in nonimaging optics in solar energy the approach is based on simple geometry and the optical characteristics of cpcs. Concentration of sunlight to solarsurface levels using non. The contents follow a systems approach that is absent in standard handbooks of optics or solar energy. Introduction to nonimaging optics books pics download new. High collection nonimaging optics covers the many developments and the wider range of applications of nonimaging optics.
If you are a solar energy professional, you are likely to be interested in reading why nonimaging optics and solar energy cobection go together so web. The applicability of non imaging concentrators for solar thermal devices and laser pumping in a central receiver facility is discussed. Osa high performance fresnelbased photovoltaic concentrator. Welford pdf, epub ebook d0wnl0ad high collection nonimaging optics covers the many developments and the wider range of applications of nonimaging optics. He is the inventor of the compound parabolic concentrator cpc, used in solar energy, astronomy, and illumination. This perspective may be expanded into the information theory and phase space quantification of etendue. The classic method of liu and jordan, which allows one to predict the diffuse sunlight levels through correlation with the total and. Nonimaging optics in solar energy synthesis lectures on. The formalism for designing a wide variety of concentrator types, such as the compound parabolic concentrator and its many embodiments and variations, is presented. Light and solar energy, author welford, w t and winston, r, abstractnote the optical principles for designing nonimaging concentrator are described in detail. Optical design and characterization of solar concentrators for. J ogallagher nonimaging optics is a subdiscipline of optics whose development over the last 3540 years was led by scientists from the university of chicago and other cooperating individuals and institutions.
Nonimaging optics is the theory of thermodynamically efficient optics and as such, depends more on thermodynamics than on optics. A thermodynamic model which explains quantitatively the enhancement of effective absorptance of gray body receivers through cavity effects was developed. Work was done to extend the previously developed geometrical vector flux formalism with the goal of applying it to the analysis of nonideal concentrators. Roland winston is a leading figure in the field of nonimaging optics and its applications to solar energy, and is sometimes termed the father of nonimaging optics. Nonimaging designs exceed the concentration attainable with focusing techniques by factors of four or more and approach the theoretical limit ideal concentrators. Pdf download high collection nonimaging optics free. Download citation nonimaging optics in solar energy nonimaging optics is a subdiscipline of optics whose development over the last 3540 years was led by scientists from the university of. We shall give a thermodynamic argument in the context of solar energy concentration. Historically, nonimaging optics that work as ideal concentrators have been discovered through such heuristic ideas as edge ray involutes, string method, simultaneous multiple surface, and tailored edge ray concentrator, without a.
Nonimaging optics in solar energy synthesis lectures on energy a synthesis lectures on energy and the environment volume 2 of synthesis lectures on energy and the environment, technology, science, and society. We shall give a thermodynamic argument in the context of solar energy. Other impossible conditions are converting heat to work with 100% efficiency and so on. To this end, we present a design methodology to increase irradiance uniformity over. Nonimaging optical gain in luminescent concentration through. As is wellknown, the solar spectrum fits a black body at 5670 k almost 10,000 degrees fahrenheit now a black body absorbs radiation at all wavelengths, and it follows from thermodynamics that its spectrum the planck spectrum1 is uniquely specified by temperature. From its inception nearly 30 years ago, the optical subdiscipline now referred to as nonimaging optics, has experienced dramatic growth. The relatively young field of nonimaging optics is an ideal tool for designing optimized solar energy collectors and illumination optics and holds great promise in the development of solid state lighting applications. For example, if the right hand side of the sun is reflected to the left hand side of the receiver, the image of the sun is not preserved while the total energy incident on the aperture of the concentrator is additive. Nonimaging optics in solar energy everything about solar energy. Nonimaging optics 7 a few observations suffice to establish the connection.
This fully updated, revised, and expanded second edition. Introduction to nonimaging optics 2nd edition julio. Nonimaging optics also called anidolic optics is the branch of optics concerned with the optimal transfer of light radiation between a source and a target. He is also a guggenheim fellow, a franklin institute medalist, past head of the university of chicago department of physics, and a member of the founding faculty of. He is also a former guggenheim fellow, past head of the university of chicago department of physics, a member of the. Addresses applications ranging from solar energy concentration to illumination engineering. The topics of the article include a description of nonimaging concentrators, the uses of nonimaging optics in high energy physics, the edgeray and the geometric vectorflux concentrators, design of solar concentrators, applications for the nonimaging concentrators in solar. Nonimaging optics in luminescent solar concentration. This book is organized into 11 chapters that emphasize the application of nonimaging optics to concentrators for solar energy. Using static concentrator technology to achieve global energy goal. Solar energy and non imaging optics for the production of clean water. Nonimaging optics aims to provide the widest possible acceptance.
Concentration maximize the amount of energy that falls on a target ie. There are multiple format available for you to choose pdf, epub, doc. Osa nonimaging optics in luminescent solar concentration. Nonimaing concentrators were used to achieve high concentration for improving performance efficiency and. In this monograph, the basic practical applications of the techniques of nonimaging optics to solar energy collection and concentration are developed and explained. The reader is introduced to the principles, theories, and advantages of nonimaging optics from the standpoint of concentrating sunlight the solar concentrator idea. Nonimaging fresnel lenses design and performance of solar. Aug 25, 2015 the project team of university of california at merced ucm, gas technology institute, and dr. Solar thermal energy ste is a form of energy and a technology for harnessing solar energy to generate thermal energy or electrical energy for use in industry, and nonimaging optics is a subdiscipline of optics whose development over the last 3540 years was led by scientists from the university of chicago and other cooperating individuals and institutions. He is the inventor of the compound parabolic concentratorcpc, a breakthrough technology in solar energy.
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