The procedure of choosing the optimum focal length for the fresnel lens included multiple simulations that will be explained in the following sections. Gigantic solar fresnel lens 64 spot solar concrete crusher can melting with a solar scorcher. The fresnel lens focuses onaxis rays in maroon close to the soe surface. Simple optics and raytracing techniques are used to. Reflective secondary optical elements for fresnel lens based concentrator modules. Solar cell capacity improvement using fresnel lens. The concentration ratio is defined as the ratio of the area of the aperture of the concentrator to the area. Protective coatings are of prime interest for solar power concentrator arrays and ultralight inflatable fresnel lens solar concentrators. The use of solar energy requires optimizing each part of a photovoltaic system. Incoming direct solar radiation is made up of parallel rays, perfectly aligned.
Reflective secondary optical elements for fresnel lens. Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as good a deal by getting the cheaper item. It can also be used along with a secondary concentrator in photovoltaic applications. In addition, the change of refractive index due to temperature variation in outdoor operation conditions is also considered in the design. The book closes a gap in solar concentrator design, and describes nonimaging refractive optics and its numerical mathematics. 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. Pdf design and machining of fresnel solar concentrator. It is shown that the output solar panel using fresnel lens, for the highest power of. The performance of the scpv was demonstrated using two settings. The overall efficiency of flsc system is found to be 51% and can generate process steam required for the industry. The figure explains output of solar panel without using fresnel lens, the highest power of 26. Design and analysis of rooftop linear fresnel reflector solar concentrator k. High concentration photovoltaics hcpv with diffractive.
This fresnel lens cpv can be used with both silicon pv. It has to be placed on the way of incident rays, which is an obstruction and attenuate the quantum of incident solar beams. Real suntracking linear solar concentrators imperfectly follow the solar disc, opera tionally sustaining both transverse and axial misalignments. Fresnel lenses have also had a major impact on solar power.
The new concentrator system was developed by nedo project from 2001 to 2003. The primary concentrators of a solar concentrator system are those parts that first receive the solar irradiation, and first concentrate it. Some people use the same principle when they use a magnifying lens to focus the suns rays on a pile of kindling or paper to start fires. We present an optical design for a static solar concentrator for a photovoltaic cell scpv. Pdf ultralight stretched fresnel lens solar concentrator for space. If youre still in two minds about fresnel lens solar concentrator and are thinking about choosing a similar product, aliexpress is a great place to compare prices and sellers. We offers a complete range of fresnel lenses sizes and types. Its etendue, or entropy is nought or very near thereto look up the wikipedia page on etendue for its definition. The contents follow a systems approach that is absent in standard handbooks of. Optical design of a static solar concentrator using fresnel. Rumyantsev1 1ioffe physical technical institute, 26 polytechnicheskaya str. Pdf design and validation of a lowcost highflux solar. Solar concentrator pdf concentrators require direct solar illumination, and the optics or mirrors must move during. The overall efficiency of fresnel lens solar concentrator is around 51% and can generate process steam required in the industry.
Design a fresnel lens for a concentrator to collect more sunlight onto the solar cell due to the efficiency and cost. Pdf abstract a novel genetically themed hierarchical algorithm gtha has been investigated to design fresnel lens solar concentrators that match with. Highefficiency multijunction mj solar cells, being very. Developed by french physicist augustinjean fresnel in the 1800s. Concentrated solar energy applications using fresnel lenses.
You may be a researcher in some optical science interested in the core subject of this book. A vast amount of research is currently focused on perfecting each of these areas. Solar dynamic brayton power system using a dome fresnel lens solar concentrator mark j. A practical optimization design is proposed, in which the solar direct light spectrum and multijunction cell response range are taken into account in combination, particularly for the fresnel concentrators with a high concentration and a small aspect ratio. What temperature you can get by fresnel lens for solar.
Recent developments have focused on smaller units to supplement thermal power stations and to provide heat for industrial processes. Fresnel lenses have been investigated for decades as solar concentrators for both thermal and photovoltaic applications 1. Thermal analysis of a linear fresnel lens solar collector with black body cavity receiver 109 ue uaedge ac,wm 2k. Fresnel lens solar concentratorderivations andsimulations. The design and performance of each concentrator will be explained and compared. The lens is manufactured of polycarbonate, which is high temperature resistant, and has a. Thin lens ray tracing and the laws of reflection and refraction are used to develop expressions for lens transmittance and image plane intensity profiles. We make the big fresnel lens for solar concentrating. Secondary optics are used in concentrating photovoltaic cpv systems with fresnel lens primaries to increase the optical system efficiency by catching refracted light that otherwise would miss the receiver, better the tracking tolerance acceptance. Design and analysis of a highefficiency, costeffective. The study of performance of fresnel lens solar concentrator and steam generation using fresnel lens solar concentrator is presented here. Linear fresnel systems and the future for concentrated. Since 1970, the nonimaging concentrator was used for solar energy.
Originally designed to focus the light of lighthouse beacons. Jun 22, 2007 fresnel lens solar hot water, heat solar pool heater solar swimming pool greenpowerscience duration. Abstracta nonevacuated collector consisting of a linear fresnel lens and a second stage concentrator of the. 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. Satyanarayana mechanical engineering department,k l university, guntur 522501 abstractmany applications of thermal energy, both in industrial and power sectors require medium temperatures ranging from 100c to 250c. Linear fresnel systems and the future for concentrated solar. This allows a substantial reduction in thickness and thus weight and volume of the lens, at the expense of reducing the imaging quality of the lens. A study for the special fresnel lens for high efficiency.
The fresnel lens used in solar energy,raw materials adopt antiaging of pmma, and made out of ultra. Concentrated solar power systems have until recently focused on bulk electricity production, with the main focus on solar towers and trough type collectors. Fresnel lens solar concentrators are very useful to generate low pressure steam for industrial. The demand for process heat particularly low pressure steam is increasing in recent past. Table 2 lists the parameters of the designed fresnel lens. Design and analysis of rooftop linear fresnel reflector solar. This means the largearea fresnel lens needs to have diffractive. Applicationbased design of the fresnel lens solar concentrator. The intensity distribution over the solar spectrum, lens dispersion effects, and absorption by the lens material are included in the analysis. A wide variety of solar lens options are available to you, such as plastic, glass. With the chosen parameters, f is calculated to be 1496 mm, and a. Well help you to work out whether its worth paying extra for a highend version or whether youre getting just as good a.
China new linear fresnel lens for solar water heating f. Scattered from clouds, the input to a concentrator is made up of rays spread randomly in all directions this is a high etendue configuration. Fresnel lens solar hot water, heat solar pool heater solar swimming pool greenpowerscience duration. Efficient fresnel lens concentrator for solar cells uc solar.
Pdf applicationbased design of the fresnel lens solar concentrator. The principle of this lens is the chopping of the continuous surface of a standard lens into a set of surfaces with discontinuities between them. The concentrator consists of two fresnel lenses, one concave and one convex. Irradiance is defined as the intensity of irradiation per unit.
This book offers a detailed and comprehensive account of the engineering of the worlds first nonimaging fresnel lens solar concentrator. 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. A solar concentrator uses lenses, called fresnel lenses, which take a large area of sunlight and direct it towards a specific spot by bending the rays of light and focusing them. Each groove is approximated by a flat surface that reflects the curvature at that position of the conventional lens, so each groove behaves like an individual prism. Fresnel lens type energy concentrator for spacebased solar po3 wer systems article no. Design and analysis of rooftop linear fresnel reflector. The peak efficiency of the concentrator module in the best. Diy solar concentrator instructions released by energytorrent. Finally, it is found that this ninesector threestage fresnel lens concentrator can achieve a concentration ratio of the uniformity is 25.
Aug 18, 2010 secondary optics are used in concentrating photovoltaic cpv systems with fresnel lens primaries to increase the optical system efficiency by catching refracted light that otherwise would miss the receiver, better the tracking tolerance acceptance halfangle and enhance the flux uniformity on the cell. One important factor in the analysis of solar concentrators is the concentration ratio. Comparative study of fresnel lenses and mirrors in. The newly released documentation provides information allowing anyone to manufacture a fresnellens solar concentrator called diversity capable of delivering 260 degrees centigrade in the. Experimental and theoretical design for a new array micro lens concentrator was done by alhamdani 6. 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. Some people use the same principle when they use a magnifying lens to focus the suns rays on. Design, construction, and test of a miniature parabolic. Novel design of primary optical elements based on a linear. Optimizing the fresnellens solarconcentrator design for tracking. Pointfocus spectral splitting solar concentrator for. Osa solar concentrator modules with siliconeonglass. The solar concentrator fresnel lenses are designed its plano side to face the sun parallel light source, and the fresnel surface to face photovoltaic cells focus. If you have a user account, you will need to reset your password the next time you login.
In this work, the irradiance distribution measured in zemax as a function of radial field coordinate. The concentration ratio is defined as the ratio of the area of the aperture of the concentrator to the area of the receiver that is reflected upon by the concentrator. Unfollow solar fresnel lense to stop getting updates on your ebay feed. However, the high cost of multijunction solar cells 57 leads to the price. Collectors based on the linear fresnel reflector design are leading the pack. It will also analyse on some of the existing solar concentrators used in the solar technology for the past four decades. The size of the solar lens is 1040mm x 780mm, thickness is 3mm.
Pdf a unique ultralight solar concentrator has recently been developed for space power applications. Investigation of solar hybrid system with concentrating fresnel lens. A novel genetically themed hierarchical algorithm gtha has been investigated to design fresnel lens solar concentrators that match with the. Solar energy concentration technology using fresnel lens is an effective way to make full use of sunlight. Fresnel lenses have more recently been put to good use in concentrating solar power csp applications, where sunlight is focused via the lens onto special solar cells capable of enduring the greatly. Conceptual design study of a 5 kilowatt brayton power.
Solar concentrator modules with siliconeon glass fresnel. Study of performance of fresnel lens solar concentrator. Secondary optics for fresnel lens solar concentrators. 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. Design and machining of fresnel solar concentrator surfaces article pdf available in international journal of precision technology 34. Lens model the fresnel lens model was designed using an excel tool based on the tveryanovich principle described earlier.
Solar concentrating systems can also be used to power desalination systems, either by directly providing heat energy or via conversion to electrical energy. Then the soe distributes all these rays over the cell surface in a homogeneous way. Solar concentrator fresnel lens sensor fresnel lens. The fresnel lens fl is a flat optical solar concentrator. Efficient fresnel lens concentrator for solar cells. The thermal performance and cost benefits of fresnel lens solar concentrator are also described. You may not be too excited about the collection of solar energy, but you would want a fub description of the optical performance of the lens. It is easy to forget that you, dear reader, may not be one of those who work inexactly the same field as we do. Aug 25, 2012 the spherical glass solar energy generator uses the advantageous strategy of implementing a ball lens and specific geometrical structure to improve energy efficiency by 35%.
Solar concentrator fresnel lenses were originally developed for concentrating photovoltaic cpv application. 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. These lenses are also used as a solar energy concentrator for solar furnaces. Solar concentrator modules with siliconeonglass fresnel lens panels and multijunction cells valery d. Pointfocus spectral splitting solar concentrator for multiple cells concentrating photovoltaic system carlo maragliano1, matteo chiesa1 and marco stefancich2 1 laboratory for energy and nanoscience lens, institute center for future energy systems ifes,masdar institute of science and technology, p. The conversion efficiency of a concentrator solar cell ingapingaasge was more than 37 % as high as 500 x optical concentration ratio. Highefficiency multijunction mj solar cells, being very expensive to manufacture, should only be used in combination with solar concentrators in terrestrial applications. The scpv was designed and optimized using raytracing computer simulations. Aug 20, 2005 design a fresnel lens for a concentrator to collect more sunlight onto the solar cell due to the efficiency and cost. The active hybrid solar panel integrated with fresnel lens. The nonimaging optical system provides large aperture and forgiving imaging requirements. High performance fresnelbased photovoltaic concentrator. 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. Aug 07, 2018 what temperature you can get by fresnel lens for solar concentrator,more than degrees.
410 313 864 1027 814 1461 498 161 822 1221 991 582 95 1252 1547 905 1457 1422 815 726 1166 1095 543 1022 763 10 130 154 34 1303 1453 1335 161 64 229 1462 1278 659 653 277 1307 915 749