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Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol.

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Presentation on theme: "Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol."— Presentation transcript:

1 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 (a) An illustration of the interfaces of the media, the plane of incidence, the unit vectors of the incident ray, reflective ray, and refracted ray, and the angles δ ir and δ it. (b) The definition of the polar angle of a ray. Figure Legend:

2 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 Illustrations of sunshine illuminating S1 of the prismatic daylight collector: (a) the parallel light beam is divided into two parts to strike surfaces S2 and S3 of the prism for an incident polar angle of 180 deg < θ i < 270 deg, and (b) all of the parallel light beam strikes surface S2 for an incident polar angle of 270 deg ≦ θ i < 360 deg Figure Legend:

3 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 (a) The light emerging from S2 illuminates the space and re-illuminates S3 of the adjacent prism of the prismatic daylight collector for an incident polar angle of 270 deg ≦ θ i < 360 deg, (b) the illustration of a simulated model Figure Legend:

4 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 (a) Percentage of the area that transmitted light would strike to the hypotenuse, (b) the minimum incident polar angle that transmitted light of S1 would also transmit the hypotenuse, (c) the normalized intensity for transmitted light of S1 and emerged from S2 for different apex angles: α A = 20 deg, α A = 30 deg, and α A = 40 deg Figure Legend:

5 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The polar angle of the transmitted ray of the light emerging from S2 for daylight illuminating prismatic daylight collectors with apex angles of α A = 20 deg, α A = 30 deg, and α A = 40 deg Figure Legend:

6 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The percentage of light emerging from S2 that would strike surface S3 of the adjacent prism for daylight illuminating prismatic daylight collectors with apex angles of α A = 20 deg, α A = 30 deg, and α A = 40 deg Figure Legend:

7 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The relative intensity of internal reflected light from S2 and the transmitted light of S1: (a) the reflective light that is incident on S1, (b) the reflective light that is incident on S3 Figure Legend:

8 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The polar angle of the internal reflective ray at S2 relative to the incident polar angle for daylight illuminating the prisms Figure Legend:

9 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The polar angle of the transmitted light from S3 Figure Legend:

10 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The intensity distribution of light transmitted through S1 that strikes S2 for sunshine illuminating prisms with apex angles of (a) α A = 20 deg, (b) α A = 30 deg, and (c) α A = 40 deg Figure Legend:

11 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The normalized intensity that illuminates space (S) and the adjacent prism (P) due to light emerging from the hypotenuse (S2) when sunshine illuminates the surface of prisms with apex angles of α = 20 deg, 30 deg, and 40 deg Figure Legend:

12 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 (a) The normalized intensity of spatial illumination. (b) The normalized intensity of light illuminating the adjacent prism that emerged from S2 for apex angles of the right-angle prism α = 20 deg, 30 deg, and 40 deg. Figure Legend:

13 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 (a) The area of space that the emerging light illuminates when sunshine initially illuminates S1 of prismatic arrays with different elements at θ i = 325 deg. (b) The area of space that the light emerging from S2 illuminates relative to the area of S1 that is initially illuminated for prismatic array with 20 elements at 270 deg ≦ θ i < 360 deg. Figure Legend:

14 Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Investigation of Prismatic Daylight Collectors With Different Apexes J. Sol. Energy Eng. 2012;135(1):011015-011015-10. doi:10.1115/1.4007301 The intensities distribution of light emerging from S2 for sunshine illuminating the surface of prismatic collectors with apex angles of α A = 20 deg, α A = 30 deg, and α A = 40 deg Figure Legend:


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