Bibliographic Citation
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| Title | Optics of nonimaging concentrators. Light and solar energy |
| Creator/Author | Welford, W.T. ; Winston, R. |
| Publication Date | 1978 Jan 01 |
| OSTI Identifier | OSTI ID: 5380269 |
| Resource Type | Book |
| Subject | 141000 -- Solar Collectors & Concentrators; ;SOLAR CONCENTRATORS-- OPTICS; CHERENKOV COUNTERS;COMPOUND PARABOLIC CONCENTRATORS;CONCENTRATION RATIO;DESIGN;EQUATIONS;GEOMETRICAL ABERRATIONS;GEOMETRY;REFRACTION;TOLERANCE;VISIBLE RADIATION |
| Related Subject | ELECTROMAGNETIC RADIATION;EQUIPMENT;MATHEMATICS;MEASURING INSTRUMENTS;RADIATION DETECTORS;RADIATIONS;SOLAR CONCENTRATORS;SOLAR EQUIPMENT |
| Description/Abstract | The optical principles for designing nonimaging concentrator are described in detail.^Topics include concentrators and their uses; some basic ideas in geometrical optics; some designs of image-forming concentrators; nonimaging concentrators: the compound parabolic concentrator; developments and modifications of the basic compound parabolic concentrator; development of the compound parabolic concentrator for nonplane absorbers; shape tolerances for concentrators; applications to solar energy concentration; and applications of nonimaging concentrators to purposes other than solar energy collection.^The appendices include derivation and explanation of the Etendue invariant, including the dynamical analogy: derivation of the skew invariant; the impossibility of designing a perfect imaging system or nonimaging concentrator with axial symmetry; the Luneburg lens; the geometry of the basic compound parabolic concentrator; the THETA/sub 1//THETA/sub 2/ concentrator; the concentrator design for skew rays; the truncated compound parabolic concentrator; and the differential equation for the 2D concentrator profile with nonplane absorber.^(WHK) |
| Publisher | Academic Press Incorporated,New York, NY |
| Country of Publication | United States |
| Language | English |
| Format | Pages: 210 |
| System Entry Date | 2001 May 13 |
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Last Updated: 02/12/2009