Fresnel lens solar concentrators are very useful to generate low pressure steam for industrial. Solar fresnel lens solar concentrator for ecofriendly power. Concentrator characteristics are studied in detail. Discover different solar concentrator technologies, including fresnel lenses, parabolic mirrors, reflectors and luminescent concentrators. Pdf concentrated solar energy applications using fresnel. This fresnel lens is intended for use in evacuated tube type solar concentrators, generating midtemperature heat to drive sorption cycles, or provide industrial process heat. The smallaperture area lenses are arranged as a panel with siliconeonglass structure where. The solar concentrator arrangement proposed for the factor e farm solar turbine implementation is of the linear fresnel type. Secondary optics for fresnel lens solar concentrators. They have developed a process to create a clear film with a profile that mimics the shape of a traditional fresnel lens for a fraction of the cost. Pdf applicationbased design of the fresnel lens solar concentrator. Fresnel lens solar concentratorderivations andsimulations.
Solar concentrator modules with siliconeon glass fresnel. The concentrated photovoltaics cpv promise relies upon the use of highefficiency triplejunction solar cells with proven efficiencies of over 44% and upon highperformance optics that allow for high concentration concurrent with relaxed manufacturing tolerances all key elements for lowcost mass production. Design and analysis of a highefficiency, costeffective. Solar energy can be utilized for generating medium temperature 100c 150c low pressure t solar concentrators, low pressure steam can be generated by using low cost technology 1. Pdf abstract a novel genetically themed hierarchical algorithm gtha has been investigated to design fresnel lens solar concentrators that match with. High performance fresnelbased photovoltaic concentrator. Ultralight stretched fresnel lens solar concentrator for.
Can i use fresnel lens before a solar panel to increase the. To keep the solar cell cool i put it inside a container filled with transparent mineral oil see photos below. The use of fresnel lens as solar concentrators has always attracted great interest 1, 2, particularly for concentrating pv application in the past decades. The overall efficiency of fresnel lens solar concentrator is around 51% and can generate process steam required in the industry. Rumyantsev1 1ioffe physical technical institute, 26 polytechnicheskaya str. Optics free delivery possible on eligible purchases. The actual fresnel lenses they will purchase will not be made from this model, but it simulates the design well enough. Application of fresnel lenses on photovoltaic panels. Optical design of a static solar concentrator using fresnel. Concentrated solar energy applications using fresnel. A unique ultralight solar concentrator has recently been developed for space power applications. To keep the solar cell cool i put it inside a container filled with. Beeeyes array fresnel lenses concentrator proposed here provide high concentration factor which is greater thanx at the 20th zone.
In fact, only the outer surface of the lens is needed. Sulima, concentrator array based on gaas cells and fresnel lens concentrators, in proceedings of the 16th european photovoltaic solar energy conference and exhibition, glasgow, 2000, p. Linear fresnel systems and the future for concentrated solar. A compact linear fresnel reflector clfr also referred to as a concentrating linear fresnel reflector is a specific type of linear fresnel reflector lfr technology. The scpv was designed and optimized using raytracing computer simulations. Pdf design and machining of fresnel solar concentrator surfaces. The study of performance of fresnel lens solar concentrator and steam generation using fresnel lens solar concentrator is presented in this paper. Mirrors vs fresnel lenses for concentrating solar power. Pdf design and machining of fresnel solar concentrator. A novel of fresneltype lens for use as a solar collector has been designed which utilizes double. Oct, 2010 fresnel mirrors can be made with different techniques.
The concentrator comprises a flexible, 140micronthick, linefocus fresnel lens, made in a continuous process from spacequalified transparent silicone rubber material. Althoughthe present applications are few, present research and development works on them suggest that fresnel lens solar concentrators, are promising especially nonimaging fresnel lenses. The fresnel lenses concentrate solar energy about 500 times onto multijunction solar cells. Sep 09, 2019 a yes, but standard solar pv modules typically are not warranted for any kind of light concentration because of the veryhigh temperatures that can be reached.
Pdf sizing down the dimensions of solar concentrators for photovoltaic applications offers a number of promising advantages. Linear, as its focus is a line as opposed to a point, and fresnel as it is made of many small reflectors as opposed to a monolithic parabolic trough. Solar concentrator modules with siliconeonglass fresnel lens panels and multijunction cells valery d. Are fresnel lenses and steam power a viable askengineers. Osa optical efficiency of solar concentrators by a. Fresnel lenses are inherently single surface lenses. So to say that this technology is not feasible for large scale use is not correct and time may come if that above mentioned power generation goes smoothly, the. The construction of viable solar energy conversion facilities is dominantly driven by economic forces requiring the. A method for the optical characterization of a solar concentrator, based on the reverse illumination by a lambertian source and measurement of intensity of light projected on a far screen, has been developed. The newly released documentation provides information allowing anyone to manufacture a fresnel lens solar concentrator called diversity capable of delivering 260 degrees centigrade in the. Just file the idea away, in case you win the lottery.
The use of fresnel lenses as solar concentrators dates back to the 1950s, with the main focus being solar power generation xie et al. This study presents the design analysis of a fresnel lens concentrating pv cell which consists of a small linear fresnel lens and a strip pv cell. Applicationbased design of the fresnel lens solar concentrator. Then the soe distributes all these rays over the cell surface in a homogeneous way. Real suntracking linear solar concentrators imperfectly follow the solar disc, opera tionally sustaining both transverse and axial misalignments. Currently, solar concentrators have several categories. Linear fresnel collectors sfera solar facilities for. They have developed a process to create a clear film with a profile that mimics the shape of traditional. The solar concentration per formance of one such concentrator, the flat, linefocusing fresnel lens, has recently been investigated analytically and experimentally l5. This paper deals with the suitability of fresnel lenses of imaging. It has to be placed on the way of incident rays, which is an obstruction and attenuate the quantum of incident solar beams. Fresnel lens type energy concentrator for spacebased solar po3 wer systems article no.
Mineral oil was chosen because its not electrically conductive. Design and machining of fresnel solar concentrator surfaces article pdf available in international journal of precision technology 34. Pdf miniaturization of fresnel lenses for solar concentration. The second column should be the facet angle in degrees, obtained by dividing the first column by 3600. It can also be used along with a secondary concentrator in photovoltaic applications. The book closes a gap in solar concentrator design, and descri. In addition, the system also provides room for increasing the number of zones to achieve the high. This analysis assumes a fresnel lens design type which forms a point focus at a select design wavelength. For a scaleddown concentrator, a fresnel would definitely help, but it would be outrageously expensive. The beam concentrates to a 2 inch diameter which is good for boiling water. Coordinate bin sampling schematic for circular aperture fresnel lens. Lens model the fresnel lens model was designed using an excel tool based on the tveryanovich principle described earlier. In a parabolic solar trough concentrator, the crosssection of the reflector is parabolic, whereas in a linear fresnel concentrator the reflector has fresnel shape it is a continuous surface of a parabolic crosssection of the same curvature, with stepwise discontinuities between them.
Diy solar furnace plans do it yourself mother earth news. Additionally, uniform illumination is highly desirable for efficiency and. The performance of the scpv was demonstrated using two settings. This is not the first solar oven featured on instructables see this or this, nor is it the first use of a fresnel lens to cook see here, but i wanted to try to make a rig for camping or for a picnic. This fresnel lens can be used on diy projector,plane magnifier, solar concentrator. Beeeyes array fresnel lenses concentrator proposed here provide high concentration factor. Design of a compact modified total internal reflection lens for high angular color uniformity. Optical tests on a curve fresnel lens as secondary optics. Conceptual design study of a 5 kilowatt brayton power. Solar cell capacity improvement using fresnel lens. Solar concentrators are devices that work on the basic principle of focusing the sun. The figure explains output of solar panel without using fresnel lens, the highest power of 26.
The contents follow a systems approach that is absent in standard handbooks of. Gigantic solar fresnel lens 64 spot solar concrete crusher can melting with a solar scorcher. Design of leakfree sawtooth planar solar concentrator for. High concentration photovoltaics hcpv with diffractive. Concept of beeeyes array of fresnel lenses as a solar. Ultimately, the cost of solar cell is much lower than normal capacity. But that aspect of the design is common to all fresnel reflectors so there would be loads of info about it.
The procedure of choosing the optimum focal length for the fresnel lens included multiple simulations that will be explained in the following sections. We offers a complete range of fresnel lenses sizes and types. Collectors based on the linear fresnel reflector design are leading the pack. Aug 07, 2018 what temperature you can get by fresnel lens for solar concentrator,more than degrees. Whereas fresnel lens is a refractive concentrator, all the incident solar beams are concentrated on opposite side of lens, thus solar beams not attenuated on account of opacity of intervene absorber body as in latter case. This is an experiment i did concentrating sunlight onto a single silicon solar cell using a 2 foot by 4 foot fresnel lens which id taken from a rear projection tv. Csp is really neat, by the way, but its hard to make economical, as ivanpahs struggles attest. The book closes a gap in solar concentrator design, and describes nonimaging refractive optics and its numerical mathematics. Specific measurements and optical tests are used to evaluate the optical features of manufactured samples.
It is shown that the projected light intensity is simply correlated to the angleresolved efficiency of a concentrator, conventionally obtained by a direct illumination procedure. Pdf concept of beeeyes array of fresnel lenses as a. The concentrators are based in stationary linear fresnel lenses and secondary cpc. The heliac solar cooker fresnel lens concentrates solar energy onto a mirror, which refocusses it up to the bottom of the cooktop.
The ongoing research and development involves imaging systems and nonimaging systems. The fresnel lens focuses onaxis rays in maroon close to the soe surface. An essential cost reduction of electric power produced by photovoltaic pv installations with mj cells, may be expected by the creation of highlyeffective, but inexpensive, elements for optical concentration and sun. The cylindrical fresnel lens transforms the focal line, produced by the primary mirror, into a series of focal points. If these advantages are sufficiently strong in relation to the lower solar toelectric efficiency, than fresnel power plants represent an interesting alternative to parabolic trough power plants. Solar energy concentration technology using fresnel lens is an effective way to make full use of sunlight. Developments and designs of solar engineering fresnel lenses. For deployment and support in space, end arches are used to tension the lens. It has been called the invention that saved a million ships. We make the big fresnel lens for solar concentrating.
Thermal analysis of a linear fresnel lens solar collector with black body cavity receiver 107 the lens considered in this study is a flat nonimaging fresnel lens fig. There are several reasons why fresnel lenses are not frequently used for solar energy collection. Because a solar fresnel in your backyard would practically be a work of art. Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. Fresnel lens solar concentrators offer potentially economical alternatives to mirror focusing devices.
Concentrated solar power experiment with a fresnel lens. The demand for process heat particularly low pressure steam is increasing in recent past. Table 2 lists the parameters of the designed fresnel lens. Diy solar furnace plans this diy solar project uses a fresnel lens to create a hightemperature solar furnace for soldering, jewelry work or firing pottery. We present an optical design for a static solar concentrator for a photovoltaic cell scpv. Dispersioncompensated fresnel lenspatent doe patents. Osa freeform optics for fresnellensbased photovoltaic. Solidworks visualization is a relatively new tool for me, but it appears to be easier to control things than what i can do on rendering within solidworks, at least the control mechanisms and tools seem more user friendly.
The grooved structure of this surface is easily contaminated, needing frequent cleaning. This paper presents a proposal of a new configuration of an optical concentrator for photovoltaic application which may enhance the efficiency of solar cells. A curve fresnel lens is developed as secondary concentrator for solar parabolic troughs to reduce the number of photovoltaic cells. Highefficiency multijunction mj solar cells, being very expensive to manufacture, should only be used in combination with solar concentrators in terrestrial applications. This special fresnel lens, 4 array fresnel solar concentrator optical acrylic lens for green energy and ecofriendly power is a lowcost, lightweight optical material used for focusing sunlight to solar panels to ensure operation under highflux density. Design analysis of a fresnel lens concentrating pv cell. Solar concentrators put one of these lenses on top of every solar cell. Customizable fresnel lens 3d cad model library grabcad. The concentrator consists of two fresnel lenses, one concave and one convex. Can i use fresnel lens before a solar panel to increase. Finally, it is found that this ninesector threestage fresnel lens concentrator can achieve a concentration ratio of the uniformity is 25. It is shown that the output solar panel using fresnel lens, for the highest power of. Recent developments have focused on smaller units to supplement thermal power stations and to provide heat for industrial processes. Daylighting system installed on the roofs of commercial buildings is an effective measure for lowcarbon green buildings.
Highefficiency multijunction mj solar cells, being very. Comparative study of fresnel lenses and mirrors in. Abstracta nonevacuated collector consisting of a linear fresnel lens and a second stage concentrator of the. Several benefits of solar arrays with fresnel condenser lens. The fresnel principle the linear fresnel reflector technology receives its name from the fresnel lens, which was developed.
Concentrators work best when there is a single source of light and the concentrator can be pointed right at it. A solar concentrator diy can seem like the easiest thing in the world if someone else is doing the hard work a guy who calls himself grant thompson used a fresnel lens from a dismantled old toshiba projection tv and shows the world on youtube how his diy solar concentrator can scorch nearly anything from pennies and concrete to eggs. Levesque consulting, 26 cambric circle, pittsford, ny, usa 14534. Fresnel factory specializes in manufacturing photovoltaic cpv, fresnel lens and etc. Solar concentrators an overview sciencedirect topics. Solar concentrator is a device that allows the collection of sunlight from a large area and focusing it on a smaller receiver or exit. The second one is refractive concentrators such as fresnel lenses, convex lenses, and so forth. Optical tests on a curve fresnel lens as secondary optics for. This report details an analysis of the solar concentration performance of a linefocusing, flat base fresnel lens in the presence of small transverse tracking errors.
Osa design of an efficient fresneltype lens utilizing double total. The solar concentration characteristics, including defocusing sen sitivities, of a perfectly tracking, line focusing fresnel lens have been analyzed during this study afid reported in detail in reference l. Jan 10, 2018 the sloping sections are wasted parts of the fresnel lens area, though. Concentrated solar energy applications using fresnel lenses. What temperature you can get by fresnel lens for solar. Heliac is a danish company that produces polymer foil solar concentrators for medium size utility installations and solar cookers. They are named for their similarity to a fresnel lens, in which many small, thin lens fragments are combined to simulate a much thicker simple lens. However, both fresnel lens and parabolic dish concentrating pv systems need to be accompanied by a high accuracy suntracking system. However the fresnel lens primary of a concentrator system may be a nonimaging type of optic designed without regard for point focus characteristics. Concentrated solar power systems have until recently focused on bulk electricity production, with the main focus on solar towers and trough type collectors. They produce polymer foil solar concentrators for medium size utility installations. Though it is not common to use fresnel lenses for electricity generation but 100 mw power plant is nearing completion in rajasthan state of india using linear fresnel lens technology.
Later, augustin fresnel modified this idea and the modern fresnel lens was created. The whole build folds nicely into a flat pack and is relatively robust. Linear fresnel solar concentrator open source ecology. Solar dynamic brayton power system using a dome fresnel lens solar concentrator mark j. Prism peak rounding in injection molded fresnel lens solar. Solar concentrators rensselaer polytechnic institute.
A wide variety of fresnel lens solar concentrator options are available to you, such as pet, plastic. This book offers a detailed and comprehensive account of the engineering of the worlds first nonimaging fresnel lens solar concentrator. Solar concentrator modules with siliconeonglass fresnel. A conceptual representation of a solar concentrator used in harnessing the power from the sun to generate electricity is shown in figure 1. The fresnel lens can be used in a wide variety of applications. Prism peak rounding in injection molded fresnel lens solar concentrators. The size of the solar lens is 1040mm x 780mm, thickness is 3mm. Fresnel lens, imaging, nonimaging, solar collector, solar concentrator. The lens is manufactured of polycarbonate, which is high temperature resistant, and has a. Multijunction solar cells are able to convert more sunlight into electricity because they are made of multiple materials, each of which harvests energy from a different portion of the spectrum. This makes much more focused light come to each solar cell, making the cells vastly more efficient. The moving focal area is ten times smaller than the fresnel lens aperture. Study of performance of fresnel lens solar concentrator.
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