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Ceiling and Wall Illumination, Utilance, and Power in Interior Lighting

Author

Listed:
  • Piotr Pracki

    (Lighting Technology Division, Electrical Power Engineering Institute, Warsaw University of Technology, 75 Koszykowa Street, 00-662 Warsaw, Poland)

  • Michał Dziedzicki

    (Lighting Technology Division, Electrical Power Engineering Institute, Warsaw University of Technology, 75 Koszykowa Street, 00-662 Warsaw, Poland)

  • Paulina Komorzycka

    (Lighting Technology Division, Electrical Power Engineering Institute, Warsaw University of Technology, 75 Koszykowa Street, 00-662 Warsaw, Poland)

Abstract

The common use of electric lighting in interiors has led to the need to search for user- and environmentally-friendly solutions. In this research, the impact of the luminaires and room parameters on the selected parameters of general lighting in interiors was assessed. To achieve the objective of this work, a computer simulation and statistical analysis of results were conducted. The illuminance uniformity on work plane, ceiling and wall relative illuminances, utilance, and normalized power density of lighting installations for 432 situations were analyzed in detail. The scenarios were varied in terms of room size, reflectance, lighting class, luminaire downward luminous intensity distribution, and layout. The lighting class was a factor having the highest impact on ceiling and wall illumination, utilance, and power. It was also shown that the impact of lighting class on ceiling illumination, utilance and power, was different in interiors of various sizes. The impact of reflectances and luminaire layouts on the analyzed parameters was significantly lower. The results also demonstrated that the use of different lighting classes gave the possibility of reducing the power of general lighting in interiors at a level of 30% on average. Based on the results, a classification of energy efficiency in general lighting in interiors was also proposed. Understanding the correlations between the lighting system used and the effects achieved is helpful in obtaining comfortable and efficient lighting solutions in interiors.

Suggested Citation

  • Piotr Pracki & Michał Dziedzicki & Paulina Komorzycka, 2020. "Ceiling and Wall Illumination, Utilance, and Power in Interior Lighting," Energies, MDPI, vol. 13(18), pages 1-21, September.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:18:p:4744-:d:412187
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    References listed on IDEAS

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    1. Beccali, M. & Bonomolo, M. & Leccese, F. & Lista, D. & Salvadori, G., 2018. "On the impact of safety requirements, energy prices and investment costs in street lighting refurbishment design," Energy, Elsevier, vol. 165(PB), pages 739-759.
    2. César Benavente-Peces, 2019. "On the Energy Efficiency in the Next Generation of Smart Buildings—Supporting Technologies and Techniques," Energies, MDPI, vol. 12(22), pages 1-25, November.
    3. Piotr Pracki & Krzysztof Skarżyński, 2020. "A Multi-Criteria Assessment Procedure for Outdoor Lighting at the Design Stage," Sustainability, MDPI, vol. 12(4), pages 1-19, February.
    4. Marcin Leśko & Antoni Różowicz & Henryk Wachta & Sebastian Różowicz, 2020. "Adaptive Luminaire with Variable Luminous Intensity Distribution," Energies, MDPI, vol. 13(3), pages 1-22, February.
    5. Rasa Apanaviciene & Andrius Vanagas & Paris A. Fokaides, 2020. "Smart Building Integration into a Smart City (SBISC): Development of a New Evaluation Framework," Energies, MDPI, vol. 13(9), pages 1-19, May.
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    Cited by:

    1. Piotr Pracki & Rafał Krupiński, 2021. "Brightness and Uniformity Perception of Virtual Corridor with Artificial Lighting Systems," Energies, MDPI, vol. 14(2), pages 1-32, January.
    2. Antonio Peña-García & Ferdinando Salata, 2020. "Indoor Lighting Customization Based on Effective Reflectance Coefficients: A Methodology to Optimize Visual Performance and Decrease Consumption in Educative Workplaces," Sustainability, MDPI, vol. 13(1), pages 1-13, December.
    3. Krzysztof Skarżyński & Anna Rutkowska, 2023. "The Interplay between Parameters of Light Pollution and Energy Efficiency for Outdoor Amenity Lighting," Energies, MDPI, vol. 16(8), pages 1-14, April.

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