WO2012169980A1 - Guide d'ondes pour capteurs solaires à concentration et capteur solaire le comportant - Google Patents
Guide d'ondes pour capteurs solaires à concentration et capteur solaire le comportant Download PDFInfo
- Publication number
- WO2012169980A1 WO2012169980A1 PCT/TR2011/000156 TR2011000156W WO2012169980A1 WO 2012169980 A1 WO2012169980 A1 WO 2012169980A1 TR 2011000156 W TR2011000156 W TR 2011000156W WO 2012169980 A1 WO2012169980 A1 WO 2012169980A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- waveguide
- solar collector
- directing
- collector according
- concentrator
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000003491 array Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0547—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/12—Light guides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/79—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with spaced and opposed interacting reflective surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
- H01L31/0543—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the refractive type, e.g. lenses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Definitions
- the present invention relates to a waveguide for solar energy collectors and a solar energy collector employing such a waveguide to be used for concentrated solar power generation.
- Photovoltaic cells are among such means.
- Conventional photovoltaic power generators comprise a planar array of photovoltaic cells.
- widespread use of conventional photovoltaic generators is hindered by their high production costs.
- concentrated photovoltaic power generators employing a reduced area of photovoltaic cells, are used.
- Incident solar radiation is concentrated through a solar collector comprising various concentration means and is directed to photovoltaic cells of an area smaller than the surface area of the concentrated solar power generator.
- US2011011441A1 discloses a concentrated solar power generator, which is seen to employ an array of lenses used to concentrate solar radiation.
- the concentrated solar radiation is then transferred to a photovoltaic surface by optical fibers, with each fiber connected to one lens of the array at one end and every fiber connected a distinct area of the photovoltaic cells on the other end.
- the invention disclosed in this document aims to construct a flexible solar collector. Since it does not have a rigid structure, such a collector is inefficient in terms of acceptance angles, thus making less use of the incident light.
- Classical concentrating photovoltaic systems are using only big Fresnel lens arrays and other large lenses as an optical concentrator. Although using large lenses provide a high concentration, such lenses also have long focal lengths thus increasing collector thickness. If, instead, an array of a large number of small lenses is employed, then the complexity is increased. Further, systems incorporating only an array of lenses do not enable an efficient use of the photovoltaic cells; a lens generally produces a circular image of the sun on a photovoltaic cell which is generally rectangular. Non-imaging means are employed to effectively distribute light over the photovoltaic cells. In order to overcome such issues, collectors incorporating waveguides that collect, direct and concentrate the light from concentrating elements to photovoltaic cells have been proposed. Among these are, waveguides containing directing surfaces to direct the solar radiation emerging from an array of concentrators into the waveguide.
- Such waveguides have a stepped structure so that light acquired by one directing surface is not hindered by another while inside the waveguide. With respect to the direction of incoming light, the steps are constituted on top of each other thus increasing the overall thickness.
- Such waveguides can incorporate line focus optics, providing a low concentration. The concentration can further be increased by rotating a section of the waveguide structure around a line onto which the concentrated output of the waveguide will fall. This configuration is not very efficient considering its heat dissipation, weight of the material and ease of manufacture.
- the waveguide mentioned in this document contains directing surfaces each corresponding to a concentrator to direct the concentrated light into the waveguide.
- the directing surfaces are to be placed in virtual slabs on top of each other with respect to the direction of light emerging from the concentrators. Due to this configuration and further to the planar distribution of the concentrators, the waveguide is a stepped structure with said steps consecutively arranged along the direction of light emerging from the concentrators, wherein each step acts as a directing surface corresponding to a concentrator.
- Such a configuration results in a waveguide with high thickness and weight.
- WO2010056405A1 Another solution is described in the document numbered WO2010056405A1.
- the collector described in this document employs a transmissive medium layer between the light collecting element and the waveguide. Many of similar series of layers can be sandwiched with different transmissive medium layers in between and it is revealed that the output of such series of layers can be combined using a secondary light concentrator.
- Such a solar collector has components with high thickness and weight values and is cumbersome for tracking applications.
- the incoming light is focused on a line or a curve by the primary concentrators providing a concentration only along a single dimension, i.e. a two dimensional light distribution is reduced to a one dimensional light distribution.
- the collectors described above provide low concentrations.
- Waveguides with high thickness and weight require the solar collector to have stronger frame members thus increasing costs. Also, for active solar power generator systems, tracking means are harder to operate. Moreover, such waveguides themselves are also produced for higher costs.
- the object of the present invention is to provide a waveguide that has a low thickness and weight compared to the solar collector it is associated with.
- a further object of the invention is to provide a waveguide providing further concentration of the light while moving through the waveguide.
- Another object of the invention is to provide a solar collector having an increased acceptance angle.
- Another object of the present invention is to provide a waveguide for a solar collector enabling dissipation of the heat generated due to the concentrated solar radiation.
- a waveguide having an end surface (3) onto which the guided radiation is to be directed, and an array of directing surfaces on the borders of said waveguide is developed, such that the waveguide and the array of directing surfaces lie on a plane.
- a solar collector having an array of concentrator cells and a waveguide lying in a plane is also developed.
- a solar collector having an increased acceptance angle is provided by employing enlarged directing surfaces while the concentrator cell sizes are kept constant.
- Figure 1 is a schematic side view of a solar collector according to the invention, partially depicting exemplary light paths.
- Figure 2 is a top view of the waveguide of figure 1, partially depicting exemplary light paths.
- Figure 3 depicts a waveguide according to invention.
- Figures 4 to 10 depict various concentration cells that can be used with the present invention together with a waveguide according to the invention, partially depicting exemplary light paths.
- FIGS 11 and 12 depict possible concentrator cell arrays according to the present invention.
- Figures 13 and 14 depict possible directing surfaces which act through reflection.
- Figures 15 to 20 depict waveguides having extra concentration surfaces.
- Figures 21 and 22 depict possible waveguides comprising more than one stepped structure.
- FIGS 23 to 27 depict solar collector configurations according to the present invention.
- Figures 28 and 29 are side and top views respectively of a possible configuration of two waveguides.
- the solar collector according to the present invention essentially comprises,
- a concentrator consisting of an array of concentrator cells (1), for concentrating the incident solar radiation;
- At least one waveguide (2) having at least one end surface (3), which is the output surface of the waveguide (2) and onto which light to electricity converters such as photovoltaic cells are to be attached;
- each directing surface (4) corresponds to a concentrator cell (1) and directs the incident light i.e., the concentrated solar radiation, into the waveguide (2) with an angle providing total internal reflection (TIR);
- the waveguide (2) and the array of directing surfaces (4) lie on a plane nonparallel to the direction of incident light.
- the thickness of the waveguide (2) is constant along its length thus minimizing the weight and cost of the waveguide (2), excluding the extra concentration means at the end region.
- the waveguide (2) according to this invention is generally a rigid component.
- Figure 1 schematically depicts such a solar collector and figures 2 and 3 are top and perspective views of the waveguide (2) used in figure 1. Since the directing surfaces (4) are on borders of the waveguide (2), the optical paths emerging from a directing surface (4) are not interrupted by another directing surface (4).
- the directing surfaces (4) can be planar or curved.
- the planar directing surfaces (4) or the planes tangential to the curved directing surfaces (4) are inclined with respect to the plane of the waveguide (2) such that there is an angle ⁇ , between the plane of the waveguide (2) and the directing surfaces (4) or said tangential planes, facing the surface of the waveguide (2) nearest the concentrator cells (1).
- the angle ⁇ is obtuse and the directing surfaces (3) reflect the incoming radiation into the waveguide (2).
- the angle ⁇ is 135°.
- the angle ⁇ is acute and the directing surface refracts the incoming radiation into the waveguide (2).
- the waveguide (2) according to the invention is a non-imaging component due to its structure. Therefore the output of the waveguide (2) is mostly homogeneous in illumination and wavelength distribution, increasing the efficiency of the light to electricity converters. Further, the output surface of the waveguide (2) is the end surface (3) being in a shape and size to match the light to electricity converters to be attached. A preferred end surface (3) shape is rectangular since photovoltaic cells are generally cut in rectangles from a wafer.
- the array of concentrator cells (1) is arranged such that the focal point of each concentrator cell (1) lies on the vertices of a virtual grid, said grid being a parallelogramic grid lying on a plane.
- the array of directing surfaces (4) is arranged such that the centroid of each directing surface (4) substantially coincides with the vertices of said grid. Since light is focused on an array of points, such an array of concentrator cells (1) provides a higher concentration than other concentrators that focus light on a line or a curve, i.e. a two dimensional light distribution is reduced substantially to a point. Further, such a high initial concentration allows flexibility in waveguide (2) design, enabling directing surfaces (4) that provide a higher tracking tolerance.
- a single waveguide (2) comprises an array of directing surfaces (4) along a single line of the virtual grid, thus forming a stepped structure.
- Such a structure allows many waveguides (2) to be arranged in a regular pattern.
- a possible waveguide (2) according to the invention comprises an array of directing surfaces (4) arranged in groups having more than one stepped structure along more than one line of the virtual grid. Possible examples of such a waveguide are depicted in figures 21 and 22.
- Concentrator cells (1) can be chosen among different optical units according to particular designs. Possible such units include various simple or compound lenses, Fresnel lenses, parabolic mirrors, compound parabolic concentrators, diffractive concentrators, Cassegrain devices, crossed cylinders etc. Some concentrator cells (1) are seen in figures 4 to 10. For concentrator cells (1) of lens type, an array of lenses can either be kept above the waveguides (2) by some frame or the lens may extend along the optical path to the waveguide (2) thus being carried by said waveguide (2). Such an extended lens type concentrator cell is depicted in figure 9.
- the lens material has a refractive index lower than that of the waveguide (2) or a layer of low refractive index than that of the waveguide (2) is applied between the collector cells (1) and the waveguides (2).
- the regions between the outer lens surfaces and the waveguide (2) not containing the optical paths do not contribute to solar power generation and thus can be left empty to reduce the weight of the solar collector as can be seen in figure 10.
- this configuration provides collection of some of the diffuse radiation and increase tracking tolerances.
- the array of concentration cells (1) can be of various polygonal patterns such as rectangular, squared, hexagonal etc. with a squared and a hexagonal example depicted in figures 11 and 12.
- the concentrator cells (1) in figure 27 form a squared pattern in which the projection of the focal points onto the surface does not coincide with the centroids.
- a directing surface (4) acting through reflection is coated from outside with a reflecting coating (6a) as depicted in figure 13, than the angle ⁇ of the directing surface (4) can be freely adjusted while providing the conditions of TIR inside the waveguide (2).
- the angle ⁇ is chosen to be 135°.
- the angle ⁇ is chosen to be larger than 135° higher acceptance angles can be achieved.
- TIR from the directing surface (4) for most incoming light is obtained when the angle ⁇ is chosen to be smaller than 135°, for example 125° for a waveguide of a material with a refractive index of 1,5.
- the waveguides (2) further comprise at least one extra concentration surface (5).
- An extra concentration surface (5) is formed on portions of a waveguide (2) ending at the end surface (3).
- Said portion of the waveguide (2) is in the shape of a known non-imaging optical concentrator with an input aperture width and height equal to the maximum width and thickness of the waveguide (2) and the output aperture is the end surface (3) having a width and/or thickness smaller than said input aperture.
- Figure 15 is a side view of a possible waveguide having an extra concentration surface (5).
- One possible way to obtain such an extra concentration surface (5) is to produce a waveguide (2) in a shape with some portions from at least one edge removed, leaving behind said extra concentration surface (5).
- a specific example of such an extra concentration surface (5) is a side cut (5a) formed by extracting a region on a side.
- FIG. 16 to 21 depict top views of waveguides (2).
- the one depicted in figure 16, 17 and 18 comprise a side cut (5a) formed by extracting a region on a side such that said surface (5) is formed of a curve, a straight line and two curves respectively.
- said surface (5a) may be formed of at least one region comprising at least one curve or straight line or a combination of several curves and lines.
- the regions of the waveguide (2) near the end surface (3) comprise two extra concentration surfaces (5) with one on each side.
- Figure 21 depicts a waveguide (2) comprising more than one stepped structure having side cuts (5a) on each stepped structure.
- Figure 23 is a top view of a portion of a solar collector according to the invention with an array of square lens concentrators (1) arranged on a planar square grid. Another solar collector according to the invention is with an array of hexagonal lens concentrators (1) is seen from the top in figure 24.
- At least two waveguides (2) are placed on top of each other with the directing surfaces (4) not blocking the light directed to each other from the concentrator cells (1).
- the array of concentrator cells (1) to be employed with this embodiment can be composed of groups of concentrator cells (1) each equidistant from the corresponding directing surfaces (4) and thus the corresponding waveguides (2) or of groups of concentrator cells (1) each with different focal lengths according to the corresponding directing surfaces (4) and thus the corresponding waveguides (2).
- the waveguide (2) developed with the present invention has a planar structure, all regions of the waveguide (2) are in the proximity of a heat conducting planar sheet placed below the waveguide (2) and thus the waveguide (2) provides a very low thermal resistance easily dissipating the heat released during operation.
- the cooling of the waveguide can be performed either by passive or active cooling systems. In systems employing water or oil as a heat carrying medium, the excess heat can be transferred to be used in another application.
- the waveguide (2) according to the invention can be produced by molding, cutting or other means leaving a smooth surface and from optically transparent materials.
- materials are chosen to produce a rigid waveguide (2).
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Abstract
La présente invention concerne un guide d'ondes pour capteurs solaires et un capteur solaire utilisant un tel guide d'onde à utiliser pour la production par concentration d'énergie solaire. Dans le cadre de cette invention, on développe un guide d'ondes comportant une série de surfaces d'orientation, de telle sorte que le guide d'ondes et la série de surfaces d'orientation se trouvent sur un plan non parallèle à la direction de la lumière incidente. On développe en outre un capteur solaire comportant une série de cellules à concentrateur et un guide d'ondes s'étendant sur un plan non parallèle à la direction du rayonnement solaire à partir de ladite série de cellules à concentrateur.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/TR2011/000156 WO2012169980A1 (fr) | 2011-06-09 | 2011-06-09 | Guide d'ondes pour capteurs solaires à concentration et capteur solaire le comportant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/TR2011/000156 WO2012169980A1 (fr) | 2011-06-09 | 2011-06-09 | Guide d'ondes pour capteurs solaires à concentration et capteur solaire le comportant |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012169980A1 true WO2012169980A1 (fr) | 2012-12-13 |
Family
ID=44509567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/TR2011/000156 WO2012169980A1 (fr) | 2011-06-09 | 2011-06-09 | Guide d'ondes pour capteurs solaires à concentration et capteur solaire le comportant |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2012169980A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020092876A1 (fr) * | 2018-11-02 | 2020-05-07 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Systèmes de concentration de puissance de rayonnement |
US12009447B2 (en) * | 2019-11-01 | 2024-06-11 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Systems for radiative power concentration |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7664350B2 (en) | 2007-09-10 | 2010-02-16 | Banyan Energy, Inc. | Compact optics for concentration, aggregation and illumination of light energy |
WO2010033859A2 (fr) * | 2008-09-19 | 2010-03-25 | The Regents Of The University Of California | Systeme et procede de capture d'energie solaire et procede de fabrication associe |
WO2010056405A1 (fr) | 2008-11-12 | 2010-05-20 | Abengoa Solar New Technologies, S.A. | Système de captage et de concentration de lumière |
US20100220492A1 (en) * | 2009-06-11 | 2010-09-02 | Brian Edward Richardson | Optical system with reflectors and light pipes |
US7817885B1 (en) * | 2009-06-24 | 2010-10-19 | University Of Rochester | Stepped light collection and concentration system, components thereof, and methods |
US20110011441A1 (en) | 2009-07-14 | 2011-01-20 | Honeywell International Inc. | Low profile solar concentrator |
-
2011
- 2011-06-09 WO PCT/TR2011/000156 patent/WO2012169980A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7664350B2 (en) | 2007-09-10 | 2010-02-16 | Banyan Energy, Inc. | Compact optics for concentration, aggregation and illumination of light energy |
WO2010033859A2 (fr) * | 2008-09-19 | 2010-03-25 | The Regents Of The University Of California | Systeme et procede de capture d'energie solaire et procede de fabrication associe |
WO2010056405A1 (fr) | 2008-11-12 | 2010-05-20 | Abengoa Solar New Technologies, S.A. | Système de captage et de concentration de lumière |
US20100220492A1 (en) * | 2009-06-11 | 2010-09-02 | Brian Edward Richardson | Optical system with reflectors and light pipes |
US7817885B1 (en) * | 2009-06-24 | 2010-10-19 | University Of Rochester | Stepped light collection and concentration system, components thereof, and methods |
US20110011441A1 (en) | 2009-07-14 | 2011-01-20 | Honeywell International Inc. | Low profile solar concentrator |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020092876A1 (fr) * | 2018-11-02 | 2020-05-07 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Systèmes de concentration de puissance de rayonnement |
US20220029039A1 (en) * | 2018-11-02 | 2022-01-27 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Systems for Radiative Power Concentration |
US12009447B2 (en) * | 2019-11-01 | 2024-06-11 | Arizona Board Of Regents On Behalf Of The University Of Arizona | Systems for radiative power concentration |
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