Results 91 to 100 of about 32,572 (222)

Assessment of Interior General and Local Lighting in Carpet Weaving Workshops in Bijar City

Muhandisī-i bihdāsht-i ḥirfah/ī, 2014
Background & Objectives : The comfort lighting in the workplace provides employees visual health which can improve safety, visual comfort and enhance performance and product quality.
Rostam Golmohamadi, Homeira Alizadeh, Motamedzade Majid, Soltanian Alireza   +3 more
doaj  

A dimensionality reduction method to select the most representative daylight illuminance distributions [PDF]

, 2020
One challenge when evaluating daylight distribution is dealing with the large amount of temporal and spatial data, visualisations and variability in illuminances that are assessed in buildings.
Jakubiec, John Alstan, Kent, Michael G, Schiavon, Stefano   +2 more
core  

Enhancing legibility in educational settings: Optimizing projection illuminance for varied indoor ambient illuminance

Heliyon
Projectors are common display devices in the educational setting. However, dim projector lightbulbs or well-lit classrooms may cause blurriness in the projected image.
Zhengyin Gu, Xinle Bao, Ying Zhu, Saiwei Song, Wei Gao, Chunyan Kang, Qijun Wang, Duming Wang, Yu Tian   +8 more
doaj   +1 more source

Comparative Analysis of All-Sky Luminous Efficacy Models Based on Calculated and Measured Solar Radiation Data of Four Worldwide Cities

International Journal of Photoenergy, 2018
Luminous efficacy model uses solar radiation data to generate illuminance data, and its performance also depends on the quality of solar radiation data.
Donghyun Seo
doaj   +1 more source

ILLUMINATION IN OPERATIONS. [PDF]

The Lancet, 1915
n ...
openaire   +2 more sources

Daylight Performance Evaluation of Parametric Facades Inspired by Kinetic Systems

Journal of Architectural Sciences and Applications
Parametric facade models and daylight analyses have been performed. 4 different kinetic facade examples have been examined for parametric facade models The selected examples are; Penumbra – A Kinetic Daylighting and Shading System, One Ocean Thematic ...
Merve Savrunlu, Türkan İrgin Uzun
doaj   +1 more source

Bandwidth and BER Improvement Employing a Pre-Equalization Circuit with White LED Arrays in a MISO VLC System

Applied Sciences, 2019
This paper aims to extend the limited bandwidth of phosphorescent white LEDs for a multiple-input single-output (MISO) visible light communication (VLC) system.
Monette H. Khadr, Ahmed Abd El Aziz, Heba A. Fayed, Moustafa Aly   +3 more
doaj   +1 more source

Intelligent Office Lighting Control Using Natural Light and a GA-BP Neural Network-Based System

Applied Sciences
Intelligent lighting control systems are essential for regulating office illumination. Both illuminance levels and uniformity are important factors influencing the comfort of the office lighting environment.
Rongmeng Zhang, Ruiqi Li, Junbai Lu, Haiqian E, Haotian Wang, Xinyu Zhao, Yingming Gao, Zhisheng Wang   +7 more
doaj   +1 more source

SI physiological units

International Journal of Metrology and Quality Engineering, 2015
One of the seven base units of the International System of Units (SI), the candela, which is the unit of the luminous intensity, and its derived units are physiological units.
Pellegrino O., Godinho I., Oliveira C., Filipe E.   +3 more
doaj   +1 more source

Model Calibration Methodology to Assess the Actual Lighting Conditions of a Road Infrastructure

Infrastructures, 2019
Street lighting plays an important role in the comfort and safety of drivers and pedestrians, so the control and management of the lighting systems operation and consumption is an essential service for a city. In this document, a methodology is presented
Ana Ogando-Martínez, Francisco Troncoso-Pastoriza, Pablo Eguía-Oller, Enrique Granada-Álvarez, Aitor Erkoreka   +4 more
doaj   +1 more source