Solar thermal receivers with multi-scale light trapping geometry and features

a multi-scale, light-trapping technology, applied in the field can solve the problems of reducing the thermal efficiency of solar thermal receivers, reducing the efficiency of solar thermal energy generation, so as to improve the thermal efficiency, reduce heat loss, and increase the absorbed solar radiation
US20210254861A1Pending Publication Date: 2021-08-19NAT TECH & ENG SOLUTIONS OF SANDIA LLC +1
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
NAT TECH & ENG SOLUTIONS OF SANDIA LLC
Publication Date
2021-08-19

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Abstract

Solar receivers including a plurality of multi-scale solar absorbing surfaces arranged such that light or heat reflected from or emitted from one or more of the plurality of solar absorbing surfaces impinges one or more other solar absorbing surfaces of the solar receiver. The disclosed receivers increase the amount of absorbed energy from a concentrated light source, such as a heliostat field, and reduce radiative and convective heat losses.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application is a divisional application and claims priority to U.S. patent application Ser. No. 14 / 743,319, entitled “SOLAR THERMAL RECEIVERS WITH MULTI-SCALE LIGHT TRAPPING GROMETRY AND FEATURES,” filed Jun. 18, 2015, which claims priority to U.S. Provisional Patent Application 62 / 015,052, filed Jun. 20, 2014, entitled “Fractal Materials and Designs with Optimized Radiative Properties,” and is a Continuation-in-Part of U.S. patent application Ser. No. 14 / 535,100, filed Nov. 6, 2014, titled “BLADED SOLAR THERMAL RECEIVERS FOR CONCENTRATING SOLAR POWER,” which claims priority to U.S. Provisional Patent Application No. 61 / 901,628, filed Nov. 8, 2013, titled “SOLAR THERMAL ADVANCED RECEIVER FOR CONCENTRATING SOLAR POWER TOWERS,” all of which are incorporated herein by reference in their entireties.STATEMENT CONCERNING FEDERALLY SPONSORED RESEARCH

[0002] This invention was developed under Contract DE-AC04-94AL85000 between Sandia Corporati...

Claims

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