Results 11 to 20 of about 6,945,171 (251)

Mapping Lightscapes: Spatial Patterning of Artificial Lighting in an Urban Landscape [PDF]

, 2013
Artificial lighting is strongly associated with urbanisation and is increasing in its extent, brightness and spectral range. Changes in urban lighting have both positive and negative effects on city performance, yet little is known about how its ...
Davies, Gemma, Hale, James, Sadler, Jon P., Fairbrass, Alison, Rogers, Christopher D.F., Thomas, Matthews   +5 more
core   +5 more sources

Lighting Retrofitting: improving energy efficiency and lighting quality [PDF]

, 2022
In order to minimize energy consumption for lighting and increasing lighting quality in existing offices, old lighting systems can be retrofitted with more efficient luminaires.
Gavioli, Marta
core  

Energy efficient facade lighting : highlighting facade structure [PDF]

, 2014
The project set out to proof that a conventional optical fibre lighting system for highlighting the structure of a façade can be operated more energy-efficiently through the substitution of the projector using a metal halide reflector lamp by a laser ...
Hordijk, Truus,, Rosemann, A.L.P., Hordijk, Truus, Pacey, B.L., Rienk Visser, Rosemann, ALP Alexander, Westerhout, W., Pacey, Betty Lou,, Visser, Rienk, Alexander Rosemann, Rosemann, Alexander,, Aries, Myriam,, Betty Lou Pacey, Aries, MBC Myriam, Hordijk, T., Rosemann, Alexander, Westerhout, Wies, Aries, Myriam, Westerhout, Wies,, Visser, Rienk,, Pacey, BL, Pacey, Betty Lou, Hordijk, T, Truus Hordijk, Wies Westerhout, Aries, M.B.C., Westerhout, W, Myriam Aries   +27 more
core   +2 more sources

The Effect of Dynamic Lighting for Working Shift People on Clinical Heart Rate Variability and Human Slow Wave Sleep

Applied Sciences, 2022
The quality of sleep during lunch breaks will affect the work efficiency, concentration, and mood of workers, and then increase the performance of workers.
Chien-Yu Chen, Hung-Wei Chen
doaj   +1 more source

Medical Aspects Of Lighting : A Study Of Psychological And Physiological Responses To Lighting Design

, 2009
A study was conducted at Jönköping University in 2008 to investigate how a group of 20 people would be affected by spending an entire day in a total of three different lighting environments.
Säter, Monica
core   +9 more sources

Dimming strategies for open office lighting : User experience and acceptance [PDF]

, 2018
Sensor-triggered control strategies can limit the energy consumption of lighting by considering the presence of users in the office and dimming lighting down when it is not needed. In multi-user offices, the application of occupancy-based dimming at room
Creemers, P.,, Rosemann, A. L. P.,, Rosemann, A.L.P., P Creemers, ALP Rosemann, van Loenen, E. J., Chraibi, S.,, Rosemann, ALP Alexander, Rosenkötter, C., Aries, Myriam,, MBC Aries, van Loenen, E. J.,, Chraibi, S Senna, Aries, MBC Myriam, EJ van Loenen, van Loenen, E.J., Loenen, EJ Evert van, Rosenkötter, C.,, C Rosenkötter, Chraibi, S., Aries, Myriam, Creemers, P., Creemers, PTJ Patrick, S Chraibi, Rosenkötter, CS Charlotte, Aries, M.B.C., Rosemann, A. L. P.   +26 more
core   +2 more sources

A Python-Based Indoor Channel Model with Multi-Wavelength Propagation for Color Shift Keying

Photonics
Color shift keying is a modulation scheme for visible light communication that uses fixtures with three or more narrow-spectral light-emitting diodes to transmit data while fulfilling the primary function of illumination.
Juan F. Gutiérrez, Diego Sandoval, Jesus M. Quintero   +2 more
doaj   +1 more source

A virtual reality simulation of a novel way to illuminate the surgical field – A feasibility study on the use of automated lighting systems in the operating theatre

Frontiers in Surgery, 2023
IntroductionSurgical lighting systems have to be re-adjusted manually during surgery by the medical personnel. While some authors suggest that interaction with a surgical lighting system in the operating room might be a distractor, others support the ...
Timur Cetin, Andre Mühlenbrock, Gabriel Zachmann, Verena Weber, Dirk Weyhe, Verena Uslar   +5 more
doaj   +1 more source

Solar PV Lighting and Studying after Sunset: Analysis of Micro-benefits in Off-grid Rural Ghana [PDF]

, 2013
Solar PV light provides school children living in off-grid rural communities the opportunity to have clean and bright lighting to study after sunset. On the contrary, lighting provided from poor sources can pollute and adversely affect human eyes during ...
George Y. , Obeng
core   +2 more sources

Skylight Application for Natural Lighting in a Building; the University of Tehran Branch of Melli Bank Case Study

MATEC Web of Conferences, 2014
This study investigated the quality and potential lighting energy savings in a bank building retrofitting project in Tehran by using solar passive lighting. The retrofitting scenarios are based on OFFICE project findings.
Nasersharifi Yahya, Assadi Morteza Khalaji   +1 more
doaj   +1 more source