Nonimaging Optics Winston Episode 5 pot

... Designing Nonimaging Optical Systems Symmetry axis i 3 line ray cos -1 (u 1 /a 1 ) i 2 line i 1 line cos -1 (u 2 /a 2 ) 0,0 0 ,5 1,0 1 ,5 2,0 2 ,5 3,0 -1 ,5 -1,0 -0 ,5 0,0 0 ,5 1,0 1 ,5 x 3 i 3 ... =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...

Ngày tải lên: 13/08/2014, 05:20

... of the cylindrical absorber (Winston, Hinterberger, 19 75) . 48 Chapter 4 Nonimaging Optical Systems Imaging Optics Nonimaging Optics: D dl = constant [Fermat 1601-16 65] , where a) b) P¢ P ray P P P¢ P¢ n ... field optics system. Appl. Opt. 15, 53 –60. Krenz, J. H. (1976). “Energy Conversion and Utilization.” Allyn & Bacon, Rockleigh, New Jersey. Luneburg, R. K. (1964). “Mathe...

Ngày tải lên: 13/08/2014, 05:20

... all e 11 .5 The Inverse-Engineering Formalism 2 75 + + 100 97 95 5 10 152 0 253 0 354 0 455 0 Acceptance angle (deg) Total transmission (%) 10° OSC (96.36%) 20° OSC (97.21%) 20° CPC (96.74%) 10° CPC ( 95. 68%) Figure ... the 3D OSC and the 3D CPC with a 10° acceptance angle. 200 1 75 150 1 25 100 75 50 25 0 –10 –9 –8 –7 –6 5 –4 –3 –2 –10123 456 78910 Skewness s (mm) de/ds...

Ngày tải lên: 13/08/2014, 05:20

... 76 5. 6 The CPC Designed for Skew Rays 78 5. 7 The Truncated CPC 80 5. 8 The Lens-Mirror CPC 84 5. 9 2D Collection in General 85 5.10 Extension of the Edge-Ray Principle 85 5.11 Some Examples 87 5. 12 ... 69 5. 1 Introduction 69 5. 2 The Dielectric-Filled CPC with Total Internal Reflection 69 5. 3 The CPC with Exit Angle Less Than p/2 72 5. 4 The Concentrator for A Source at A Finit...

Ngày tải lên: 13/08/2014, 05:20

... Energy 17, 255 – 258 . Witte, W. (19 65) . Cone channel optics. Infrared Phys. 5, 179–1 85. 68 Chapter 4 Nonimaging Optical Systems REFERENCES Baranov, V. K. (1965a). Opt. Mekh. Prom. 6, 1 5. A paper ... Eq. (5. 1)—then it can be shown that the overall length of the two-stage system is (5. 15) whereas the basic CPC has length (5. 16) It is easily seen that (5. 15) is greater than (5...

Ngày tải lên: 13/08/2014, 05:20

... and reflection, or (5. 27) Now by differentiating Eq. (5. 25) we obtain and on scalar multiplication by t this gives (5. 28) On substituting in Eq. (5. 27) and integrating we obtain (5. 29) Sl- ( ) =- ( ) ◊ 2 3 32 rrk tr◊=-ddS ... 17, 1668. Winston, R., and Hinterberger, H. (19 75) . Principles of cylindrical concentrators for solar energy. Sol. Energy 17, 255 – 258 . 98 Chapter 5 Develo...

Ngày tải lên: 13/08/2014, 05:20

... Flow-line Method for Designing Nonimaging Optical Systems x 3 x 1 –1 .5 –1.0 –0 .5 0.0 0 .5 1.0 1 .5 2.0 2 .5 3.0 –3.0 –2 .5 –2.0 0 .5 1.0 1 .5 2.0 2 .5 3.0 0.0 Figure 6. 35 Flow lines in the multifoliate ... 1996), it is equivalent to Eq. (6. 155 ), except only 10 of the 20 parameters in Eq. (6. 155 ) are independent. Therefore, for the elliptic bundles given by Eq. (6. 1...

Ngày tải lên: 13/08/2014, 05:20

... (degrees) 0. 05 0. 15 0. 65 1.0 1 .5 Concentrator depth/entry aperture 0. 257 0.287 0.313 0. 356 0.348 diameter Dielectric thickness at the center 13 .56 4 .56 2 .57 2 .57 2.33 Dielectric radius 35 8 .5 4 3 3 Entry ... 1. q a (Degrees) 0 .5 2 5 10 20 Geometrical concentration, C g3D 3,600 2 25 36 12. 25 2. 25 Total transmission, T(q a ) (%) 97 .5 98.0 96.9 96.6 95. 9 Cut-off angu...

Ngày tải lên: 13/08/2014, 05:20

... Ray Tracing of Some RXI Concentrators 207 receiver 10 15 5 –10 – 15 5 0 5 0 5 Figure 8.28 The same as in Figure 8.24 but with an angle q i = 5 . #1 #3 #2 012010080604020 –40 –20 0 20 40 reflector receiver A¢ A B ... Transfer III (Winston, R., ed.). Proceedings of SPIE, Vol. 253 8, 30–41. Gleckman, P., O’Gallagher, J., and Winston, R. (1989). Approaching the irradiance of the sun th...

Ngày tải lên: 13/08/2014, 05:20

... b ˆ . Substitution of Eqs. (10 .57 ) and (10 .59 ) into 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 ... radiance values occur. 10.2 Rotational Symmetry 241 25 20 15 10 5 0 –1.0 –0 .5 0.0 0 .5 1.0 skewness s cylinder R=0. 25, H=2 sphere R=0 .5 disk R=1 de/ds Figure 10.2 Skewnes...

Ngày tải lên: 13/08/2014, 05:20