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Evaluation of Uniformity and Glare Improvement with Low Energy Efficiency Losses in Street Lighting LED Luminaires Using Laser-Sintered Polyamide-Based Diffuse Covers

Author

Listed:
  • Alfonso Gago-Calderón

    (Department of Graphic Expression, Design and Projects, Universidad of Málaga, 29016 Malaga, Spain)

  • Manuel Jesús Hermoso-Orzáez

    (Department of Graphic Engineering Design and Projects, Universidad de Jaen, 23071 Jaen, Spain)

  • Jose Ramon De Andres-Diaz

    (Department of Graphic Expression, Design and Projects, Universidad of Málaga, 29016 Malaga, Spain)

  • Guillermo Redrado-Salvatierra

    (A.T.P. Technical Lighting Public, 31194 Pamplona, Spain)

Abstract

Energy saving in street lighting is garnering more interest and has become a priority in municipal management. Therefore, LED luminaires are gradually becoming prevalent in our cities. Beyond their energy/economic saving potential, quality in public lighting installations concerns aspects such as uniformity and glare which must be maintained if not improved in any installation renewal project using this technology. The high light intensity generated in a discrete point in LED packages and its directional nature result in significant deficiencies in these last two parameters. To soften these effects, translucent covers are being used as one of the most common solutions with the drawback of significant light intensity losses. The objective of this paper is to evaluate the behavior of LED luminaire’s polyamide-based optical covers manufactured with a laser-sintered process. These are designed to improve glare and uniformity output, to minimize light output reductions, and to be industrially manufactured with no increment of cost for their lighting equipment compared to conventional transparent polycarbonate solutions. A laboratory and field lighting test study has been applied to different covers with the same LED lamp and luminaire to compare the performance of three different solutions built with different polymeric materials and with different light transmission surface textures. The photometric results have been observed and discussed to demonstrate the ability to significantly improve the lighting performance of LED luminaires—illuminance and uniformity levels and discomfort and disability glare indexes— using an improved optic cover.

Suggested Citation

  • Alfonso Gago-Calderón & Manuel Jesús Hermoso-Orzáez & Jose Ramon De Andres-Diaz & Guillermo Redrado-Salvatierra, 2018. "Evaluation of Uniformity and Glare Improvement with Low Energy Efficiency Losses in Street Lighting LED Luminaires Using Laser-Sintered Polyamide-Based Diffuse Covers," Energies, MDPI, vol. 11(4), pages 1-17, April.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:4:p:816-:d:139181
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    References listed on IDEAS

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    1. Manuel Jesús Hermoso-Orzáez & Alfonso Gago-Calderón & José Ignacio Rojas-Sola, 2017. "Power Quality and Energy Efficiency in the Pre-Evaluation of an Outdoor Lighting Renewal with Light-Emitting Diode Technology: Experimental Study and Amortization Analysis," Energies, MDPI, vol. 10(7), pages 1-13, June.
    2. Radulovic, Dusko & Skok, Srdjan & Kirincic, Vedran, 2011. "Energy efficiency public lighting management in the cities," Energy, Elsevier, vol. 36(4), pages 1908-1915.
    3. Friedemann Polzin & Paschen von Flotow & Colin Nolden, 2015. "Exploring the Role of Servitization to Overcome Barriers for Innovative Energy Efficiency Technologies – The Case of Public LED Street Lighting in German Municipalities," SPRU Working Paper Series 2015-07, SPRU - Science Policy Research Unit, University of Sussex Business School.
    4. Mehdi Amirkhani & Veronica Garcia-Hansen & Gillian Isoardi & Alicia Allan, 2017. "An Energy Efficient Lighting Design Strategy to Enhance Visual Comfort in Offices with Windows," Energies, MDPI, vol. 10(8), pages 1-16, August.
    5. Ji-Hyun Lee & Jin Woo Moon & Sooyoung Kim, 2014. "Analysis of Occupants’ Visual Perception to Refine Indoor Lighting Environment for Office Tasks," Energies, MDPI, vol. 7(7), pages 1-24, June.
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    Cited by:

    1. Magda Sibley & Antonio Peña-García, 2020. "Flat Glass or Crystal Dome Aperture? A Year-Long Comparative Analysis of the Performance of Light Pipes in Real Residential Settings and Climatic Conditions," Sustainability, MDPI, vol. 12(9), pages 1-11, May.
    2. Juan de Dios Unión-Sánchez & Manuel Jesús Hermoso-Orzáez & Manuel Jesús Hervás-Pulido & Blas Ogáyar-Fernández, 2022. "Impact of Thermal Dissipation on the Lighting Performance and Useful Life of LED Luminaires Applied to Urban Lighting: A Case Study," IJERPH, MDPI, vol. 19(2), pages 1-23, January.
    3. Przemyslaw Tabaka & Pawel Rozga, 2020. "Influence of a Light Source Installed in a Luminaire of Opal Sphere Type on the Effect of Light Pollution," Energies, MDPI, vol. 13(2), pages 1-19, January.
    4. Ana Ogando-Martínez & Javier López-Gómez & Lara Febrero-Garrido, 2018. "Maintenance Factor Identification in Outdoor Lighting Installations Using Simulation and Optimization Techniques," Energies, MDPI, vol. 11(8), pages 1-13, August.
    5. Rami David Orejón-Sánchez & Manuel Jesús Hermoso-Orzáez & Alfonso Gago-Calderón, 2020. "LED Lighting Installations in Professional Stadiums: Energy Efficiency, Visual Comfort, and Requirements of 4K TV Broadcast," Sustainability, MDPI, vol. 12(18), pages 1-19, September.

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