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Sunday, February 2, 2020 | History

3 edition of Optical evaluation of a refractive secondary concentrator found in the catalog.

Optical evaluation of a refractive secondary concentrator

Optical evaluation of a refractive secondary concentrator

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  • 14 Currently reading

Published by National Aeronautics and Space Administration, Glenn Research Center, National Technical Information Service, distributor in [Cleveland, Ohio], [Springfield, Va .
Written in English

    Subjects:
  • Evaluation.,
  • Optical activity.,
  • Concentrators.,
  • Refractivity.,
  • Fabrication.

  • Edition Notes

    StatementDonald A. Jaworske and Wayne A. Wong, Timothy J. Skowronski.
    SeriesNASA/TM -- 1999-209375., NASA technical memorandum -- 209375.
    ContributionsWong, Wayne A., Skowronski, Timothy J., NASA Glenn Research Center.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15557242M

    We are unique in our ability to work with the customer from design, to prototype, to large-scale production. Static Fatigue or Stress Corrosion. By definition, the angle is that measured between the ray and the normal to the interface at the point of reflection. You may not be too excited about the collection of solar energy, but you would want a fuB description of the optical performance of the lens. Chaitanya Prasad, K. By adding other ingredients to molten glass, it is possible to offset the greenish color and produce colorless glasses.

    Fiber Taper Beam Expansion. Mae West - Fiber Collimator. Names like quartz, silica, fused silica, fused quartz, synthetic quartz, synthetic fused silica or synthetic fused quartz have been used in various publications, sometimes to describe the same product. This can be done by a secondary concentrator that is located above the receiver tubes Collimated light entering tapered fibers at the large end, on the other hand, becomes decollimated, and if the angle of incidence exceeds the acceptance angle, it will pass through the side of the fiber.

    Leutz, A. Conical Output. Even if the absorber should be designed larger, and positioned closer to the back of the lens, the moving focus would soon exceed the scope of the receiver. Biotechnology Advances The project focused on providing elements of a value chain, beginning with the weather that causes a deviation from clear sky irradiance and progresses through monitoring and observations, modeling, forecasting, dissemination and communication of the forecasts, interpretation of the forecast, and through decision-making, which produces outcomes that have an economic value. Edge ray principle: This principle goes along with nonimaging design of Fresnel lenses.


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Optical evaluation of a refractive secondary concentrator book

This catalog represents an effort to provide a tool to aid our customers in understanding our products, the materials with which we work, and the capabilities we can provide.

Daylight Transport Systems for Buildings at High Latitudes

Aravindhan, Tapas K. The time it takes the light in a particular mode to travel from one end to the other is directly proportional to the distance it has traveled in the optical fiber.

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Glass is usually transparent, but can also be translucent or opaque. A company has been set up infound support with the United States Department of Energy, and supplies photovoltaic modules incorporating the lens. What this really means is, if you need to transmit a 27MHz signal common frequency for CB radio up to 1 kilometer 0.

Leonardo Micheli, K. We could use a hollow glass tube or capillary to prevent this but we still need better reflection. Collares Pereira et al. In the 's, both Kritchman et al. This number increases in direct proportion to diameter decrease. Perona and A.

Sivakumar, Tapas K. Unfortunately there are significant losses associated with this reflection. The CPC's mirror walls are of parabolical shape. An example for a nonimaging linear lens for daily tracking and seasonal tilt is given in Fig. Quality control and Nonimaging optics has been developed to perfection since its discovery inin dealing with solar power conversion.

International Journals Anandhi Parthiban, K. Since typical light sources provide power distributed over a range of wavelengths, rather than a single, discrete "line," the pulses spread out as they travel through the fiber.

Flat lens: Fresnel lenses, in particular imaging Fresnel lenses are often assumed to be at. These specimens exhibited the highest selectivity of any specimens thus far produced. Sendhil Kumar, K. Heating Cooling Lighting Book Summary : Sustainable environmental control through building design Heating Cooling and Lighting is the industry standard text on environmental control systems with the emphasis on sustainable design.

For these reasons, singlemode is the fiber of choice for long distance data and voice communication. In the course of the chemical reaction the Manganese goes into a chemically reduced state, which is virtually colorless. These act like magnifying lenses to focus sunlight onto the solar cell which is times smaller than the cell area of a 'one-sun' cell.

The book has been organized in such a way that it will be easier for the readers to go through and find out the topic of their interests.Cassegrain optical geometry can be used to produce a concentrator system with very compact geometry, with wide acceptance angle and good efficiency (Fig.

).In this design, a converging primary mirror entrains light on a diverging secondary, which in turn focuses. Evaluation and comparison of different designs and materials for Fresnel lens-based solar concentrators. Optical components, Refractive index, Prisms, Solar concentrators, Polymethylmethacrylate, Lenses, Glasses, Silicon, Thermal effects, Fresnel lenses Secondary.

A daylighting system for use in a building including a louver array having a first longitudinal element, and a second longitudinal element spaced therefrom. At least one of the first and second elements has an asymmetrical profile, each of the first and second longitudinal elements has a bottom profile including a parabolic surface, portions of opposing surfaces of the first and second Cited by: This book offers a detailed and comprehensive account of the engineering of the world's first nonimaging Fresnel lens solar concentrator.

The book closes a gap in solar concentrator design, and describes nonimaging refractive optics and its numerical mathematics. About AIP Publishing.

Concentrator Optics

AIP Publishing is a wholly owned not-for-profit subsidiary of the American Institute of Physics (AIP). Our portfolio comprises highly regarded, peer-reviewed journals, including a growing portfolio of Open Access titles, that cover all areas of the physical sciences.

Apr 30,  · Polymicro Technologies™, a subsidiary of Molex, is the world’s leading supplier of silica capillary tubing, specialty optical fibers, fiber optic and capillary assemblies, discrete micro.