Because a solar fresnel in your backyard would practically be a work of art. Pdf sizing down the dimensions of solar concentrators for photovoltaic applications offers a number of promising advantages. Fresnel lens solar concentratorderivations andsimulations. Ultralight stretched fresnel lens solar concentrator for.
Table 2 lists the parameters of the designed fresnel lens. The figure explains output of solar panel without using fresnel lens, the highest power of 26. The solar concentrator arrangement proposed for the factor e farm solar turbine implementation is of the linear fresnel type. The actual fresnel lenses they will purchase will not be made from this model, but it simulates the design well enough. Solar concentrator is a device that allows the collection of sunlight from a large area and focusing it on a smaller receiver or exit. 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. For deployment and support in space, end arches are used to tension the lens. Csp is really neat, by the way, but its hard to make economical, as ivanpahs struggles attest. Lens model the fresnel lens model was designed using an excel tool based on the tveryanovich principle described earlier. The overall efficiency of fresnel lens solar concentrator is around 51% and can generate process steam required in the industry. The concentrator consists of two fresnel lenses, one concave and one convex. The fresnel principle the linear fresnel reflector technology receives its name from the fresnel lens, which was developed. 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. Beeeyes array fresnel lenses concentrator proposed here provide high concentration factor.
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. Optical tests on a curve fresnel lens as secondary optics. Design and machining of fresnel solar concentrator surfaces article pdf available in international journal of precision technology 34. The study of performance of fresnel lens solar concentrator and steam generation using fresnel lens solar concentrator is presented in this paper. Heliac is a danish company that produces polymer foil solar concentrators for medium size utility installations and solar cookers. Are fresnel lenses and steam power a viable askengineers. This paper presents a proposal of a new configuration of an optical concentrator for photovoltaic application which may enhance the efficiency of solar cells. Later, augustin fresnel modified this idea and the modern fresnel lens was created. This analysis assumes a fresnel lens design type which forms a point focus at a select design wavelength.
The concentrators are based in stationary linear fresnel lenses and secondary cpc. Mineral oil was chosen because its not electrically conductive. Secondary optics for fresnel lens solar concentrators. Osa design of an efficient fresneltype lens utilizing double total. Highefficiency multijunction mj solar cells, being very. Application of fresnel lenses on photovoltaic panels.
A curve fresnel lens is developed as secondary concentrator for solar parabolic troughs to reduce the number of photovoltaic cells. There are several reasons why fresnel lenses are not frequently used for solar energy collection. Then the soe distributes all these rays over the cell surface in a homogeneous way. Linear fresnel collectors sfera solar facilities for.
Concentrators work best when there is a single source of light and the concentrator can be pointed right at it. The book closes a gap in solar concentrator design, and describes nonimaging refractive optics and its numerical mathematics. Mirrors vs fresnel lenses for concentrating solar power. 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. 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. The second column should be the facet angle in degrees, obtained by dividing the first column by 3600. 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. The size of the solar lens is 1040mm x 780mm, thickness is 3mm.
Collectors based on the linear fresnel reflector design are leading the pack. The cylindrical fresnel lens transforms the focal line, produced by the primary mirror, into a series of focal points. Optical design of a static solar concentrator using fresnel. A novel of fresneltype lens for use as a solar collector has been designed which utilizes double. 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. We offers a complete range of fresnel lenses sizes and types. In addition, the system also provides room for increasing the number of zones to achieve the high. Solar concentrators put one of these lenses on top of every solar cell. Conceptual design study of a 5 kilowatt brayton power. Gigantic solar fresnel lens 64 spot solar concrete crusher can melting with a solar scorcher. Concentrated solar energy applications using fresnel lenses. Fresnel lens, imaging, nonimaging, solar collector, solar concentrator.
Design of leakfree sawtooth planar solar concentrator for. The procedure of choosing the optimum focal length for the fresnel lens included multiple simulations that will be explained in the following sections. Solar concentrator modules with siliconeon glass fresnel. The second one is refractive concentrators such as fresnel lenses, convex lenses, and so forth. Solar fresnel lens solar concentrator for ecofriendly power. Pdf design and machining of fresnel solar concentrator.
Additionally, uniform illumination is highly desirable for efficiency and. The demand for process heat particularly low pressure steam is increasing in recent past. The construction of viable solar energy conversion facilities is dominantly driven by economic forces requiring the. This paper deals with the suitability of fresnel lenses of imaging. 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.
To keep the solar cell cool i put it inside a container filled with transparent mineral oil see photos below. The ongoing research and development involves imaging systems and nonimaging systems. They have developed a process to create a clear film with a profile that mimics the shape of traditional. Solar cell capacity improvement using fresnel lens. Discover different solar concentrator technologies, including fresnel lenses, parabolic mirrors, reflectors and luminescent concentrators. High concentration photovoltaics hcpv with diffractive. However the fresnel lens primary of a concentrator system may be a nonimaging type of optic designed without regard for point focus characteristics. Levesque consulting, 26 cambric circle, pittsford, ny, usa 14534. Performance evaluation of flat plate collector watt the useful heat output of a flatplate solar collector is given by 18. Fresnel lens type energy concentrator for spacebased solar po3 wer systems article no. Just file the idea away, in case you win the lottery. Dispersioncompensated fresnel lenspatent doe patents. 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.
The performance of the scpv was demonstrated using two settings. 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. 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. Prism peak rounding in injection molded fresnel lens solar concentrators. 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. The solar concentration per formance of one such concentrator, the flat, linefocusing fresnel lens, has recently been investigated analytically and experimentally l5. Developments and designs of solar engineering fresnel lenses. Coordinate bin sampling schematic for circular aperture fresnel lens. It has been called the invention that saved a million ships. In fact, only the outer surface of the lens is needed. Solar concentrators are devices that work on the basic principle of focusing the sun. Solar energy concentration technology using fresnel lens is an effective way to make full use of sunlight.
Pdf miniaturization of fresnel lenses for solar concentration. It is shown that the output solar panel using fresnel lens, for the highest power of. Pdf concept of beeeyes array of fresnel lenses as a. Several benefits of solar arrays with fresnel condenser lens. Althoughthe present applications are few, present research and development works on them suggest that fresnel lens solar concentrators, are promising especially nonimaging fresnel lenses. For a scaleddown concentrator, a fresnel would definitely help, but it would be outrageously expensive.
This fresnel lens can be used on diy projector,plane magnifier, solar concentrator. Prism peak rounding in injection molded fresnel lens solar. Optical tests on a curve fresnel lens as secondary optics for. This book offers a detailed and comprehensive account of the engineering of the worlds first nonimaging fresnel lens solar concentrator. The moving focal area is ten times smaller than the fresnel lens aperture. 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. Fresnel lens solar concentrators are very useful to generate low pressure steam for industrial. Applicationbased design of the fresnel lens solar concentrator. The concentrator comprises a flexible, 140micronthick, linefocus fresnel lens, made in a continuous process from spacequalified transparent silicone rubber material. They produce polymer foil solar concentrators for medium size utility installations. 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.
Real suntracking linear solar concentrators imperfectly follow the solar disc, opera tionally sustaining both transverse and axial misalignments. 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. This makes much more focused light come to each solar cell, making the cells vastly more efficient. The whole build folds nicely into a flat pack and is relatively robust.
Osa optical efficiency of solar concentrators by a. Recent developments have focused on smaller units to supplement thermal power stations and to provide heat for industrial processes. Finally, it is found that this ninesector threestage fresnel lens concentrator can achieve a concentration ratio of the uniformity is 25. 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. High performance fresnelbased photovoltaic concentrator. 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. To keep the solar cell cool i put it inside a container filled with. Solar concentrator modules with siliconeonglass fresnel lens panels and multijunction cells valery d. The use of fresnel lenses as solar concentrators dates back to the 1950s, with the main focus being solar power generation xie et al. Solar concentrators an overview sciencedirect topics. Comparative study of fresnel lenses and mirrors in. Solar dynamic brayton power system using a dome fresnel lens solar concentrator mark j. The contents follow a systems approach that is absent in standard handbooks of.
Rumyantsev1 1ioffe physical technical institute, 26 polytechnicheskaya str. The fresnel lens can be used in a wide variety of applications. Mar, 20 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. Linear fresnel solar concentrator open source ecology. 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. 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. 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. Linear fresnel systems and the future for concentrated solar. Aug 07, 2018 what temperature you can get by fresnel lens for solar concentrator,more than degrees. What temperature you can get by fresnel lens for solar. Can i use fresnel lens before a solar panel to increase.
Pdf abstract a novel genetically themed hierarchical algorithm gtha has been investigated to design fresnel lens solar concentrators that match with. Design analysis of a fresnel lens concentrating pv cell. Solar concentrator modules with siliconeonglass fresnel. It has to be placed on the way of incident rays, which is an obstruction and attenuate the quantum of incident solar beams. 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. Concentrated solar energy applications using fresnel. 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. 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 heliac solar cooker fresnel lens concentrates solar energy onto a mirror, which refocusses it up to the bottom of the cooktop. Beeeyes array fresnel lenses concentrator proposed here provide high concentration factor which is greater thanx at the 20th zone. Study of performance of fresnel lens solar concentrator.
Pdf concentrated solar energy applications using fresnel. 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. Jan 10, 2018 the sloping sections are wasted parts of the fresnel lens area, though. Oct, 2010 fresnel mirrors can be made with different techniques. Pdf design and machining of fresnel solar concentrator surfaces. Concentrated solar power experiment with a fresnel lens.
Concept of beeeyes array of fresnel lenses as a solar. Daylighting system installed on the roofs of commercial buildings is an effective measure for lowcarbon green buildings. Diy solar concentrator instructions released by energytorrent. A conceptual representation of a solar concentrator used in harnessing the power from the sun to generate electricity is shown in figure 1. Optics free delivery possible on eligible purchases. The smallaperture area lenses are arranged as a panel with siliconeonglass structure where. 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. Design and analysis of a highefficiency, costeffective. The fresnel lens focuses onaxis rays in maroon close to the soe surface. However, both fresnel lens and parabolic dish concentrating pv systems need to be accompanied by a high accuracy suntracking system. We make the big fresnel lens for solar concentrating. A wide variety of fresnel lens solar concentrator options are available to you, such as pet, plastic.
The scpv was designed and optimized using raytracing computer simulations. Ultimately, the cost of solar cell is much lower than normal capacity. A unique ultralight solar concentrator has recently been developed for space power applications. Osa freeform optics for fresnellensbased photovoltaic. We present an optical design for a static solar concentrator for a photovoltaic cell scpv. Highefficiency multijunction mj solar cells, being very expensive to manufacture, should only be used in combination with solar concentrators in terrestrial applications. Can i use fresnel lens before a solar panel to increase the. Concentrator characteristics are studied in detail. Solar concentrators rensselaer polytechnic institute. 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. Fresnel factory specializes in manufacturing photovoltaic cpv, fresnel lens and etc. 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. Design of a compact modified total internal reflection lens for high angular color uniformity.
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. The book closes a gap in solar concentrator design, and descri. Pdf applicationbased design of the fresnel lens solar concentrator. The lens is manufactured of polycarbonate, which is high temperature resistant, and has a. Fresnel lens solar concentrators offer potentially economical alternatives to mirror focusing devices. Specific measurements and optical tests are used to evaluate the optical features of manufactured samples. 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.
It can also be used along with a secondary concentrator in photovoltaic applications. Abstracta nonevacuated collector consisting of a linear fresnel lens and a second stage concentrator of the. The beam concentrates to a 2 inch diameter which is good for boiling water. But that aspect of the design is common to all fresnel reflectors so there would be loads of info about it. Fresnel lenses are inherently single surface lenses. Diy solar furnace plans do it yourself mother earth news. The fresnel lenses concentrate solar energy about 500 times onto multijunction solar cells. Customizable fresnel lens 3d cad model library grabcad. 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. Concentrated solar power systems have until recently focused on bulk electricity production, with the main focus on solar towers and trough type collectors.
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