Nonimaging Optics Winston Episode 6 ppt

... 4, 66 68 . Winston, R., and Welford, W. T. (1979). Geometrical Vector Flux and some new imaging concentrators. J. Opt. Soc. Am. A. 69 , 532–5 36. 158 Chapter 6 The Flow-line Method for Designing Nonimaging ... is obtained: (6. 1 36) It is straightforward to see that the 15 equations Eq. (6. 1 36) and the 18 equations Eq. (6. 129) are equivalent: Eq. (6. 1 36) can be obtained from Eq...

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... large fields with thin pencils. Optica Acta 32, 1 361 –1371. Smith, W. J. (1 966 ). Modern Optical Engineering. McGraw-Hill, New York. Stamnes, J. J. (19 86) . Waves in Focal Regions. Adam Hilger, Boston. Wassermann, ... Eq. (10. 56) produces the result (10 .60 ) Taking the derivative of Eq. (10.55), we find that (10 .61 ) Since , Eq. (10.55) allows us to express the cosine of q in terms of the...

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... span of 13.3 Nonimaging Concentrators for Solar Thermal Applications 341 Figure 13.23 Stationary primary with tracking nonimaging secondary solar concentrator for high temperature. 13.3 .6 Central ... the ground (Rabl, 19 76) . 3 46 Chapter 13 Applications to Solar Energy Concentration Effective Focal Ratio F/D Thermal Efficiency 0.1 0.1 0.2 0.2 0.3 0.3 0.4 0.4 0.5 0.5 0 .6 True Parabo...

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... 160 7.3 Some Point Source Examples with Cylindrical and Rotational Optics 161 7.4 The Finite Strip Source with Cylindrical Optics 162 7.5 The Finite Disk Source with Rotational Optics 166 7 .6 ... Narkis Shatz and John C. Bortz) 265 11.1 Introduction 265 11.2 Mathematical Properties of Mappings in Nonimaging Optics 266 11.3 Factors Affecting Performance 267 11.4 The Effect...

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... of the cylindrical absorber (Winston, Hinterberger, 1975). 48 Chapter 4 Nonimaging Optical Systems Imaging Optics Nonimaging Optics: D dl = constant [Fermat 160 1- 166 5], where a) b) P¢ P ray P P P¢ P¢ n ... field optics system. Appl. Opt. 15, 53 60 . Krenz, J. H. (19 76) . “Energy Conversion and Utilization.” Allyn & Bacon, Rockleigh, New Jersey. Luneburg, R. K. (1 964 ). “Mat...

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... by Hinterberger and Winston (1976a,b). Almost simultaneously, Baranov (1 965 a), and Baranov and Mel’nikov (1 966 ) described the same principle in 3D geometry, and Baranov (1 966 ) suggested 3D CPCs ... 17, 255–258. Witte, W. (1 965 ). Cone channel optics. Infrared Phys. 5, 179–185. 68 Chapter 4 Nonimaging Optical Systems REFERENCES Baranov, V. K. (1 965 a). Opt. Mekh. Prom. 6, 1–5. A...

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... 1259–1 264 . Winston, R. (1974). Principles of solar concentrators of a novel design. Sol. Energy 16, 89–95. Winston, R. (1978a). Cone collectors for finite sources. Appl. Opt. 17, 68 8 68 9. Winston, ... J zz nd= Ú 2 Wcosq 100 Chapter 6 The Flow-line Method for Designing Nonimaging Optical Systems J y J z z 0.4 |J| = 0.2 one unit of y or z 0 .6 0.8 10 12 14 16 18 y 2 Figure 6. 1...

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... bundle—that is, introducing Eq. (6. 56) in Eq. (6. 64) and using Eqs. (6. 65) and (6. 66) , we get (6. 67) Introducing Eqs. (6. 61), (6. 62), (6. 63), and (6. 67) in Eq. (6. 59), we obtain dl/ds = 0 for the ... =a ii j j j j j j 22 0123 ∂ ∂ a ∂ ∂ a ,, 124 Chapter 6 The Flow-line Method for Designing Nonimaging Optical Systems (6. 64) Derivation of Eqs. (6. 54) and (6. 55) gives (6. 65)...

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... concentration, C g3D 3 ,60 0 225 36 12.25 2.25 Total transmission, T(q a ) (%) 97.5 98.0 96. 9 96. 6 95.9 Cut-off angular spread Dq (degrees) 0.04 0. 065 0.5 0 .6 2 Thickness at the center 101.5 25 .65 9.5 3.99 ... 1.33 Length/entry aperture diameter, f 1. 161 1. 16 1. 161 1.0 36 1.073 Exit aperture radius, R o 20 5 2.5 2.5 1.2 Exit aperture to receiver distance z R - z X 32.53 8.09 3.98...

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... 96. 0 93.2 86. 7 Total transmission without shadow T t (%) 97.8 96. 8 95.1 Thickness/entry aperture diameter 0.252 0.2 56 0.2 26 Dielectric thickness 15.4 11.2 6. 1 Entry aperture diameter 61 .2 43 .6 ... thickness 95 .6 47.9 16. 6 11.4 Entry aperture diameter 343.8 171.9 57.3 34.4 Diameter of the front metallic reflector 23.2 11.2 8.2 10.8 Receiver to concentrator bottom distance 76. 0...

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