Design of reflectors which will distribute sunlight in a specified manner |
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Authors: | Donald G. Burkhard David L. Shealy |
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Affiliation: | Department of Physics and Astronomy. University of Georgia, Athens, GA 30602. U.S.A.;Department of Physics, University of Alabama in Birmingham. Birmingham, AL 35294, U.S.A. |
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Abstract: | A differential equation is obtained for the shape of a reflecting surface which will distribute axially symmetric light intensity into a specified irradiance over a receiver surface which is symmetric about the direction of the incident light. Results are applied to the design of rotationally symmetric solar reflectors and also to a 2-dimensional geometry, that is one in which the reflector is a cylinder with its axis perpendicular to the incident beam. The procedure is used to numerically calculate the shape of reflectors which will uniformly concentrate collimated light and also light from a point source over a flat receiver surface. Results are also applied to determine the shape of a reflector which will distribute collimated light uniformly over the surface of a cylinder and also over a sphere. |
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