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Journal articles on the topic 'Daylighting Control'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 January 2023

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1

Bunjongjit, Sulee, and Atthapol Ngaopitakkul. "Feasibility Study and Impact of Daylight on Illumination Control for Energy-Saving Lighting Systems." Sustainability 10, no. 11 (November 7, 2018): 4075. http://dx.doi.org/10.3390/su10114075.

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The main goal of energy conservation should be reducing the consumption of energy resources. Due to energy and environmental concerns in recent years, to reduce energy consumption in a lighting system, which has been one of the prime targets of energy saving, daylighting has been investigated and has become one of the energy-efficiency techniques widely applied in buildings. This paper presents an analysis of T5 fluorescent luminaire lighting control using daylight in a building. The study is conducted in two parts; simulation of a lecture room using the daylighting function of the DIALux program is performed to estimate the effect of daylighting on a task area (workplane). Another part is an experimental setup to evaluate the performance of a lighting control unit that is installed for a T5 fluorescent luminaire with a dimmable electronic ballast. The efficiency of the lighting control in term of illumination on the task area and energy consumption are also evaluated and compared with the standard case. The simulation results show that daylighting increases illuminance on a task area, especially on the window side, so the lighting system can significantly reduce its power consumption compared with a standard case (without lighting control). The experimental result shows that upon installing the lighting control with daylighting, both the average illuminance and the energy consumption in each time period are decreased compared with in the standard case. Lighting control with daylighting tries to set the average illuminance on a task area to less than 500 lux, corresponding to the amount of daylight passing through window shutters. The obtained results are useful for the design of a T5 fluorescent luminaire with lighting control using daylighting in a building lighting system for energy efficiency and reducing energy consumption, including the average illuminance on the task area, according to a relevant standard.

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2

Li, Xiao Lei, Huan Li, and Jian Ping Gao. "Impact Analysis to Building Energy Consumption of Daylighting Combined Lighting Control." Applied Mechanics and Materials 260-261 (December 2012): 202–8. http://dx.doi.org/10.4028/www.scientific.net/amm.260-261.202.

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A study on the building energy consumption analysis of daylighting-based lighting control strategy was carried out. A circle type of building was mainly simulated by using the eQUEST energy simulating software. By setting various window-wall ratios, we try to find the relationship between the energy saved by daylighting-based lighting control and the other main energy consumptions, such as the cooling and heating energies. The data shows that the energy saving potential of daylighting-based lighting control strategy can be 40% under the proper window-wall ratio, and in the meanwhile, the total energy saving of the whole building can be 8%. A formula is given to get the best window-wall ratio of various cities according to its geographical information and local climate factors.

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3

El Mohimen, Mostafa Abd, George Hanna, and Moncef Krarti. "Analysis of Daylighting Benefits for Office Buildings in Egypt." Journal of Solar Energy Engineering 127, no. 3 (October 13, 2004): 366–70. http://dx.doi.org/10.1115/1.1877472.

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This paper summarizes the results of a simulation analysis to determine the effectiveness of daylighting in reducing electrical energy consumption for office buildings in Egypt. Specifically, the impact on daylighting performance is investigated of window size, building size, daylighting control, and glazing type for three geographical locations in Egypt. It was determined that a window to wall area ratio of 0.20 minimizes the total annual electricity use for office buildings in three Egyptian locations, Cairo, Alexandria, and Aswan. A simplified analysis method is developed based on the analysis results to estimate the annual electrical energy savings attributed to daylighting.

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4

Yang, Hua, Xiang Xiang Sun, Guo Qiang Xia, Chun Hua Sun, and Cai Ling Chen. "The Impact of Double Skin Facade on Building Energy Consumption in Daylighting Control Mode." Applied Mechanics and Materials 353-356 (August 2013): 3105–8. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.3105.

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Energyplus is used to discuss the impact of double skin façade (DSF) on building lights, heating and cooling energy consumption in daylighting control mode by simulating the building lights, heating and cooling energy consumption with different height of double skin façade (DSF) and different air cavity width .Thus the influence rules on the lights, heating and cooling energy in daylighting control mode can be found.

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5

Raphael, B. "Active Control of Daylighting Features in Buildings." Computer-Aided Civil and Infrastructure Engineering 26, no. 5 (November 15, 2010): 393–405. http://dx.doi.org/10.1111/j.1467-8667.2010.00692.x.

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6

Lee, E. S., and S. E. Selkowitz. "The New York Times Headquarters daylighting mockup: Monitored performance of the daylighting control system." Energy and Buildings 38, no. 7 (July 2006): 914–29. http://dx.doi.org/10.1016/j.enbuild.2006.03.019.

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7

Ali Ahmed Salem Bahdad and Sharifah Fairuz Syed Fadzil. "Design Optimization for Light-Shelves with Regard to Daylighting Performance Improvements in The Tropics." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 100, no. 3 (December 31, 2022): 35–50. http://dx.doi.org/10.37934/arfmts.100.3.3550.

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Different daylight device systems and control strategies can be employed in different parts of a window system to perform different functions, particularly for fully glazed façades. A light-shelves with parametric control in both portions of the system were proposed in this study as an innovative daylighting device to improve daylighting distribution and glare probability. The aim of this article was to present a simulation study to investigate the influence of light shelves on daylighting performance improvements in buildings located in tropical climates. Multi-objective optimization method was proposed by classifying the results based on sky conditions. The metrics of Useful Daylight Illuminance and Daylight Glare Probability were used to evaluate the daylight performance and glare to compare the final solutions of the blight shelf parameters of the light shelf. The study concludes that daylight improvements by optimal solutions of light shelves can provide the best range of optimal daylighting for visual comfort in office spaces in the tropics. The idea of a light shelf system with parametric control in both portions (inner and outer) provides the most optimal options for achieving balanced daylighting levels in both the front and back of the room. This resulted in a glare-free environment with undetectable glare indices, and acceptable daylight is accomplished, as well as a high percentage coverage within UDI300-2000 lux between 63% and 73.8% at midday and no less than 55% during working hours.

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8

Park, Kwang-Wook, and Andreas K. Athienitis. "Workplane illuminance prediction method for daylighting control systems." Solar Energy 75, no. 4 (October 2003): 277–84. http://dx.doi.org/10.1016/j.solener.2003.08.013.

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9

Rayaz, S., and S. Rubab. "Review of Advanced Daylighting Systems." Materials Science Forum 760 (July 2013): 79–84. http://dx.doi.org/10.4028/www.scientific.net/msf.760.79.

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Daylight is the most underutilized resource in modern buildings. Artificial light can be dispensed away in institutional buildings such as offices, banks, schools etc. having only daytime occupancy by proper architectural design of fenestrations The design of a day lighting space is both an art and a science. The biggest challenge facing the lighting designer is to admit only as much light as necessary and distribute it evenly throughout the space without introducing glare or heat. In hot / warm climates, it has become common practice in windows spaces to specify blinds and glazing with high shading coefficients to control glare and minimize heat gain. However, this practice reduces the effectiveness of lighting systems that dim automatically. Improved systems are needed to capture natural daylight and distribute it uniformly throughout a space while controlling heat gain and glare. One such system is the light shelf. Light shelves shade the space from direct sunlight and reflect this sunlight onto the ceiling for a deeper and more uniform distribution. Reflective blinds offer good control of glare and solar protection. Innovative day lighting systems are designed to redirect sunlight or sky light to areas where it is needed with excessive luminance and glare. These systems use optical devices that initiate reflections, refractions, and / or use total internal reflection of sunlight and sky light. Advanced day lighting systems can be designed to actively track the sun or passively control the direct sunlight and sky light. In this paper, we review the state of the art of several advanced day lighting systems which are designed to maximize the energy-saving potential of day lighting, while improving comfort and visual performance at an “affordable” cost.

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10

Zulkarnain, Aimi Zahirah, Mohd Najib Mohd Salleh, and Zalena Abdul Aziz. "THERMAL-DAYLIGHTING BALANCE THROUGH BUILDING SHADING DEVICES: A REVIEW ON FACTORS AND METHODS." Malaysian Journal of Sustainable Environment 8, no. 3 (October 26, 2021): 157. http://dx.doi.org/10.24191/myse.v8i3.15894.

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Daylighting is interpreted as natural sunlight allowed into an indoor space. Passive lighting strategies are considered fundamental in achieving a high performing sustainable building, which affects the visual and thermal comfort, and energy performance of a building. Many strategies in controlling daylighting are known, however, the wrong implementation can lead to a negative effect. The results obtained need to reach a balance between daylighting and thermal performance. This review is conducted to analyse the concept and factors that affect the balance through different research parameters. The performance factors include energy, comfort and perception or view. The different methods of achieving the balance are categorized into three, which are parameter relation, combination, and multi-objective optimization. Building shading devices are considered as one of the major solutions to reach thermal-daylighting balance. Through a comprehensive review, adjustable shading control is recommended as a better option for building shading device for buildings to achieve the optimum balance.

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11

Vikberg, Hanna, Abel Sepúlveda, and Francesco De Luca. "Delightful Daylighting: A Framework for Describing the Experience of Daylighting in Nordic Homes and Coupling It with Quantitative Assessments." Energies 15, no. 5 (March 1, 2022): 1815. http://dx.doi.org/10.3390/en15051815.

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In this conceptual article we propose a framework for describing the experience of delightful daylighting in Nordic homes and a method to correlate it with an existing quantitative daylighting assessment. In contrast to earlier research on daylighting, the present work gives priority to developing the methodology for researching the experience of the inhabitant in a real situation and relying the quantitative assessment on an existing method. In this way, we shift the focus of daylight studies from quantitative evaluations towards qualitative descriptions of the human experience of daylight. The framework enables future research that can broaden the way the experience of daylighting is described and to see if the quantitative assessment according to the standard EN 17037:2018 Daylighting in buildings correlates with these descriptions. Firstly, the current state of research on subjective daylight preferences and daylight assessment is reviewed. Secondly, a novel method, the long-term spatial interview, is introduced. The aim of the method is to describe a long-term experience of a spatial phenomenon, in this case, delightful daylighting of Nordic homes, through a phenomenological perspective and enable localisation of the qualitative research results. Finally, the use of the existing EN-standard as a tool to quantitatively describe the daylight situation of spaces is explained and a correlation analysis of the quantitative and qualitative results is explicated. Future research based on the framework can provide useful information for designers aiming at creating delightful daylighting experiences in Nordic homes.

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12

Atamewan, Eugene Ehimatie. "Appraisal of Day-lighting in Sustainable Housing Development in Developing Countries." Journal of Studies in Science and Engineering 2, no. 2 (June 30, 2022): 59–75. http://dx.doi.org/10.53898/josse2022225.

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Using natural light in architectural spaces has been very beneficial in several ways including energy efficiency, cost control, health and wellbeing of users, and prevention of electricity dissipation and other negative effects of artificial lighting. Daylight in architecture satisfies both mental and physical human needs and reduces fossil energy consumption. This paper appraised the use of daylighting in sustainable housing development in developing countries and discussed the benefits of natural/daylight in housing designs, including the reasons for the sudden disapproval of daylighting in contemporary designs. The study employed a literature review technique, appraisal of case studies of selected daylight-driven buildings and personal observations. Findings revealed that building occupants now prefer daylight for both illumination and environmental stimulations because lack of daylight results in discomfort and stress and affects the psychological and physiological health of building occupants. The study concluded that architects in developing countries should embrace daylighting in their designs due to its numerous benefits in making them sustainable. The study recommended the inclusion of daylighting requirements in all architectural designs by planning authorities in developing countries.

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Shehabi, Arman, Nicholas DeForest, Andrew McNeil, Eric Masanet, Jeffery Greenblatt, Eleanor S. Lee, Georgeta Masson, Brett A. Helms, and Delia J. Milliron. "U.S. energy savings potential from dynamic daylighting control glazings." Energy and Buildings 66 (November 2013): 415–23. http://dx.doi.org/10.1016/j.enbuild.2013.07.013.

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14

Odenbakh, Irina A. "Daylighting Dynamic Control by Smart Window with Grating Optical Filter." Light & Engineering, no. 05-2021 (October 2021): 27–32. http://dx.doi.org/10.33383/2021-006.

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A smart window with a novel grating optical filter is proposed, which supplies dynamic daily and annual control of window transmission without the use of blinds and similar devices. The filter attenuates direct solar radiation, letting in diffused and reflected radiation, thus creating more comfortable conditions for daylighting, insolation, and sun protection in rooms. A method for calculating the grating filter is changed and numerical modelling is conducted to show the capabilities of the new method of dynamic control of transmission. The optimal geometric parameters of the filter for a single-glazed smart window at a given azimuth of the window orientation are determined. The hourly values of the light transmittance of the filter during daylighting hours are calculated for the 15th day of each month from April to September, and the theoretical angular characteristics of the transmission of the filter, corrected for reflection and absorption, are constructed. The average monthly values of the theoretical and corrected light transmittance of a smart window are obtained, based on the results of calculations every hour compared to the time of day when the azimuths of the Sun and the window are equal. It is shown that the smart window with the built-in grating optical filter provides the minimum transmission at a given time of the day, taking into account the azimuth of the window, the geographic coordinates of the building, the seasonal and daily distribution of the solar radiation intensity on the calculated day of the year, and in the rest of the time, with the most demanded protection from solar radiation, the filter functions within acceptable limits. It is stated that the smart window with the built-in optical filter is most suitable for rooms with a long stay of people during daylight hours that is for office, educational, industrial, etc. rooms, in order to provide comfortable daylighting and the required insolation and thermal conditions during working hours.

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15

Dev, Govind, Aysha Saifudeen, and Aparna Sathish. "Facade control systems for optimal daylighting: A case of Kerala." IOP Conference Series: Earth and Environmental Science 850, no. 1 (November 1, 2021): 012014. http://dx.doi.org/10.1088/1755-1315/850/1/012014.

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Abstract Indoor environmental quality is one of the most important aspects to be considered while designing buildings. Design decisions taken to ensure indoor environmental quality depends upon the specific location, climate, form, orientation and materials used for the construction of the building. In addition to ensuring comfort and optimal occupant conditions, these design decisions also impact the overall energy consumption of the building. The design of the building envelope is of more importance in regions that receive a huge amount of solar radiation. Kerala, falling in the Tropical belt, have buildings designed (or supposed to be designed) with sufficient roofing/shading overhangs to avoid penetration of solar radiation, and direct glare towards the inside. Well-designed shading devices provide the best shading during overheated periods thus lesser heat gain or cooling load. The form of shading devices influences day-lighting inside the building. This paper intends to explore different types of shading devices and façade control systems, and their impact on daylighting inside a selected commercial building in Kerala. It concludes by identification of the most efficient design of the device in each type identified, through BIM modelling and lighting simulation, specific to the original building location, to ensure optimal daylighting while eliminating the undesirable effects of solar radiation.

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16

Maghsoudi Nia, Elham, Titi Hajihasani, Mohd Yazid Mohd Yunos, and Nordin Abdul Rahman. "Daylighting Strategies in Iranian Vernacular Residential Buildings in Hot and Dry Climate." Applied Mechanics and Materials 747 (March 2015): 329–32. http://dx.doi.org/10.4028/www.scientific.net/amm.747.329.

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Daylighting strategies and control of it, plays a significant role in energy efficiency and provision of visual comforts in buildings. This study conducted a review of literature and observation in a hot and dry region of Iran in order to investigate daylighting strategies and control of it by shading devices in the vernacular residential buildings. The results show thatdaylight in vernacular rooms was provided through door, window, Rozan, Moshabak, and Goljam. These components were equipped with thevertical and horizontalshading devices such as Orsi, Sarsayeh, Tabeshband and Kharakpoushto control the sunlight. The vernacular lighting strategy was in response to the energy efficiency and provided visual comfort.The vernacular concepts and schemes still can be adopted and reused by architects and developers. The study recommends appropriate daylight schemes and shading devices in design phase to achieve energy efficiency in new residential buildings.

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17

Xuan, Qingdong, Guiqiang Li, Bin Zhao, Bin Jiang, Dongfang Sun, Xiuping Zhang, Jingchun Tang, Yuan Zhuang, Jie Liu, and Lao Li. "Evaluation of the smart daylighting control performance of the concentrating photovoltaic/daylighting system as the skylight in the building." Solar Energy 238 (May 2022): 17–29. http://dx.doi.org/10.1016/j.solener.2022.04.021.

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18

Sakata, Katsuhiko. "Evaluation of Spatial Brightness Variation in Office under Daylighting Control." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 103, no. 2 (February 1, 2019): 61–66. http://dx.doi.org/10.2150/jieij.170000568.

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Iwata, Toshie. "Control Technology and Technique for Daylighting(Next Generation Office Lighting)." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 96, no. 9 (September 1, 2012): 636–41. http://dx.doi.org/10.2150/jieij.96.636.

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20

Inoue, Takashi, Kayo Uyeda, Keiichi Yoshimuta, Ryuji Yanagihara, and Kunihiko Iwabuchi. "Optimal control of artificial lighting and daylighting for office buildings." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 79, Appendix (1995): 132–33. http://dx.doi.org/10.2150/jieij1980.79.appendix_132.

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Uyeda, Kayo, Takashi Inoue, Keiichi Yoshimuta, Ryuji Yanagihara, and Kunihiko Iwabuchi. "Optimal control of artificial lighting and daylighting for office buildings." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 79, Appendix (1995): 134–35. http://dx.doi.org/10.2150/jieij1980.79.appendix_134.

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22

Imamura, Yusaku, Sikou Nakamori, Arimura Yoshida, Atsushi Koshin, and Yoshihiro Kurioka. "Daylighting Control System of the Museum of Modem Art, Gunma." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 82, Appendix (1998): 172–73. http://dx.doi.org/10.2150/jieij1980.82.appendix_172.

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23

Lorenz, W. "A glazing unit for solar control, daylighting and energy conservation." Solar Energy 70, no. 2 (2001): 109–30. http://dx.doi.org/10.1016/s0038-092x(00)00132-8.

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24

De Luca, Francesco, Raimo Simson, Hendrik Voll, and Jarek Kurnitski. "Daylighting and energy performance design for single floor commercial hall buildings." Management of Environmental Quality: An International Journal 29, no. 4 (June 11, 2018): 722–39. http://dx.doi.org/10.1108/meq-10-2017-0110.

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Purpose Electric lighting accounts for a large share of energy consumption in commercial buildings. Utilization of daylight can significantly help to reduce the need for artificial lighting, increase workers productivity, customers’ satisfaction and consequently improve sales. However, excessive use of glazing and absence of lighting controls can contribute greatly to higher energy need for heating and cooling and cause undesired glare effects. Thus, optimizing the size, position and materials of external glazing, with the addition of deflectors and dynamic artificial lighting, can become key aspects in the design of sustainable low energy buildings. The purpose of this paper is to analyze daylight potential and energy performance of a hall-type commercial building, situated in the cold climate of Finland, by utilizing different combinations of skylights, windows and lighting controls. Design/methodology/approach The authors have used computer simulations to estimate daylight and energy performance of a single floor commercial building in relation to various combinations of skylights and windows with variable glazing materials, light deflectors and zonal lighting controls. Findings The results show that electric light energy saving potential ranges from a negligible 1.9 percent to a significant 58.6 percent in the case of glass skylights and wall windows using multi-zone lighting control. Total delivered energy ranges between increase of 1.5 and 21.2 percent in the cases with single zone lighting control and between decrease of 4.5 percent and increase of 4.5 percent in the cases with multi-zone control. The highest decrease in primary energy consumption was 2.2 percent for single zone and 17.6 percent for multi-zone lighting control. The research underlines the significant potential of electric light energy savings using daylighting strategies that, including the control of direct solar access for glare and internal gains, can be more than 50 percent. Originality/value This research combines accurate daylight and energy assessment for commercial hall buildings based in cold climate region with multiple design variations. The novelty of this work is the consideration of interior elements, shelves and deflectors, in the calculations. This is made possible through the combined use of validated simulation platforms for detailed annual daylighting and electric lighting calculation (Radiance and Daysim) and energy analysis (IDA-ICE, Equa Simulation AB). This method allows to obtain a reliable assessment of the potential of using natural light sources in buildings.

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Boscarino, Gaspare, and Mehrdad Moallem. "Daylighting Control and Simulation for LED-Based Energy-Efficient Lighting Systems." IEEE Transactions on Industrial Informatics 12, no. 1 (February 2016): 301–9. http://dx.doi.org/10.1109/tii.2015.2509423.

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Inoue, Takashi, Masayuki Ichinose, and Naoyoshi Ichikawa. "Thermotropic glass with active dimming control for solar shading and daylighting." Energy and Buildings 40, no. 3 (January 2008): 385–93. http://dx.doi.org/10.1016/j.enbuild.2007.03.006.

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Yun, Su-In, Hye-Rim Kim, Doo Yong Park, and Jae-Weon Jeong. "Sensor minimization method for integrated daylighting control by a mathematical approach." Energy and Buildings 214 (May 2020): 109891. http://dx.doi.org/10.1016/j.enbuild.2020.109891.

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Barbón, A., A. Pardellas, J. A. Fernández-Rubiera, and N. Barbón. "New daylight fluctuation control in an optical fiber-based daylighting system." Building and Environment 153 (April 2019): 35–45. http://dx.doi.org/10.1016/j.buildenv.2019.02.022.

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Othman, Ahmad Ridzwan, and Maz Aiera Mohd Mazli. "Daylighting and Readers’ Satisfaction: Raja Tun Uda Public Library, Shah Alam." Asian Journal of Environment-Behaviour Studies 3, no. 7 (March 19, 2018): 47–58. http://dx.doi.org/10.21834/aje-bs.v3i7.273.

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Designing library study environment is important to the mood, motivation and performance of individual because interior design plays an important role on human mood and social behaviours. Lighting, as a control architectural tool, gives important influences on users’ perception behaviour and visual comfort in libraries. A public library in Shah Alam was chosen as the main subject. The result found that the library users prefer the seat near daylighted area, but the time spend in the library is not really affected by daylighting. Besides for visual comfort, daylighting is not the only contributor to overall comfort and user’s satisfaction. Keywords: Daylighting; readers’ satisfaction; visual comfort; seating preference eISSN 2514-751X © 2018. The Authors. Published for AMER ABRA cE-Bs by e-International Publishing House, Ltd., UK. This is an open-access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia.

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Neberich, Marcel, Nathalie Gerner, Carina Romodow, Johanna Freidl, Daniela Huber, Renate Weisböck-Erdheim, Christina Pichler, and Arnulf Hartl. "Positive Effects of Advanced Daylight Supply of Buildings on Schoolchildren—A Controlled, Single-Blinded, Longitudinal, Clinical Trial with Real Constructive Implementation." Buildings 12, no. 5 (May 5, 2022): 600. http://dx.doi.org/10.3390/buildings12050600.

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Sunlight controls endogen hormone balances and numerous health effects. Therefore, it is important to provide building users, such as schoolchildren, with sufficient daylight. Too much of it, however, leads to overheating, which is why shading systems are used. Consequently, these systems improve energy balance, but might not have positive effects on present people’s health. Within this study, shading systems were installed in classrooms of a middle school: common shading in two rooms, while two others were equipped with shading blades “Schlotterer RETROLux 80D” in an innovative design, reflecting more daylight indoors. The participating classes were divided between rooms with ordinary daylighting (n = 43) and advanced daylighting (n = 42). They spent, on average, 5 days weekly and 5–8 h daily in these classrooms. Saliva samples were collected during three semesters to detect hormonal changes. Questionnaires were collected to obtain more information about the mental alterations and, furthermore, to support the physiological results. A significant reduction in cortisol levels between 6:30 AM and 11:30 AM (p < 0.001) was observed within the group that had advanced daylighting. Questionnaires show that both groups sleep less as study duration increases (p < 0.001 time effect), but only the control group has a concurrent increase in daytime sleepiness according to relative treatment effects. The results show that increased daylight supply indoors leads to a significant greater reduction in cortisol levels of children and that those positive outcomes can be achieved by using innovative technologies for buildings.

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Alsukkar, Muna, Mingke Hu, Mohamed Gadi, and Yuehong Su. "A Study on Daylighting Performance of Split Louver with Simplified Parametric Control." Buildings 12, no. 5 (May 4, 2022): 594. http://dx.doi.org/10.3390/buildings12050594.

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A split louver consists of two sections with their slat angles to be adjusted separately for glare protection and redirection of sunlight, respectively. The upper section works in conjunction with the lower section to enhance daylight availability and uniformity throughout the year. The study aims to improve the daylighting performance of the split louver by applying a simplified parametric control, which predetermines the angle difference between adjacent slats in the upper section for a chosen solar altitude and then keeps this difference fixed during operation. The slats in the upper section can be changed parametrically using the Grasshopper to reflect daylight onto the ceiling and then illuminate the rear zone of a space. The lower section of the split louver can control the daylight in the front space area and may affect the amount of light in the back. The performance indicator in evaluating the proposed split louver design for the chosen typical days is the percentage coverage of the work plane area for the illuminance range of 150~750 lux, which was achieved up to 100% in some cases. The proposed split louver with the simplified parametric control has the potential to provide relatively consistent and distributed daylight coverage of the floor area and a glare-free environment.

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Kim, Michael, and Athanasios Tzempelikos. "Performance evaluation of non-intrusive luminance mapping towards human-centered daylighting control." Building and Environment 213 (April 2022): 108857. http://dx.doi.org/10.1016/j.buildenv.2022.108857.

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Verderber, R. R., O. C. Morse, and J. E. Jewell. "Building design: impact on the lighting control system for a daylighting strategy." IEEE Transactions on Industry Applications 25, no. 2 (1989): 198–202. http://dx.doi.org/10.1109/28.25531.

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Kim, Michael, Iason Konstantzos, and Athanasios Tzempelikos. "A low-cost stereo-fisheye camera sensor for daylighting and glare control." Journal of Physics: Conference Series 1343 (November 2019): 012157. http://dx.doi.org/10.1088/1742-6596/1343/1/012157.

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Keshavarzi, Mohammad, Luisa Caldas, and Luis Santos. "RadVR: A 6DOF Virtual Reality Daylighting Analysis Tool." Automation in Construction 125 (May 2021): 103623. http://dx.doi.org/10.1016/j.autcon.2021.103623.

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Scarazzato, Paulo Sergio, Jéssica Cristine da Silva Fonseca Matos, Ana Judite Galbiatti Limongi França, and Taísa Dóccosse Pavani. "Challenges in lighting education: a recommended practice." IOP Conference Series: Earth and Environmental Science 1099, no. 1 (November 1, 2022): 012040. http://dx.doi.org/10.1088/1755-1315/1099/1/012040.

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Abstract Although lighting is a theme usually loved by architects, there are few studies about appropriate pedagogical strategies focusing on its teaching in architectural undergraduate courses. This subject rarely is present in conferences, symposia, and similar events regarding architectural education. Due to historical mistakes, lighting education is often conducted in such courses with no link to the architectural design process. Regarding daylighting, it not always goes beyond solar geometry and insolation control, and electrical lighting is addressed to the discipline of electrical installations, strictly based on a calculation approach. It urges to present lighting to students as an integral and indissociable part of the architectural space itself. Also, it is essential to support a process of learning based on observation and laboratory experimentation. This paper discusses these issues and presents a pedagogical proposal favouring drawing with light, both daylighting and electrical lighting, since the first steps of the architectural design process. An electronic tool yet under development and destined to help in decision-making related to daylighting in the initial phases of design development is also presented. For a sustainable and safe future in a world in rapid transformations due to technological advances and pandemic events, lighting education deserves to be exhaustively studied by educators and architecture schools worldwide. Sharing knowledge in a network seems to be the best way for such an objective.

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Pavlovic, Adrijana, Snezana Djoric-Veljkovic, and Jugoslav Karamarkovic. "The importance of ethylene-tetrafluoroethylene for building daylighting." Facta universitatis - series: Architecture and Civil Engineering 16, no. 3 (2018): 355–74. http://dx.doi.org/10.2298/fuace171129014p.

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Nowadays, it is possible to implement and realize solutions that once seemed inconceivable. Namely, the development of novel technologies allows the implementation of creative ideas, as well as new approach to building design. The use of the state of the art technology offers the application of functional high-tech coatings and building claddings. Hence, a new generation of plastic - ethylene tetrafluoroethylene (ETFE) is increasingly used in buildings and architectural structures. The use of ETFE is increased due to its very low weight, high transparency potential and possibility to control the utilization of daylight in buildings, as well as due to self-sufficient performances and low environmental load. Therefore, it is necessary to overcome a lack of information on some advantages of this environmentally friendly material. In this paper, the properties and possibilities of applications of ETFE are presented. It increasingly replaces traditional glazing and enables the implementation of creative solutions due to its performance and possibility of advancing sustainable construction. This could contribute to sustainable development and to the prevention of the negative influence to climate change.

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Taniguchi, Masanari, Masato Oki, and Tasuku Takagi. "An experimental study on the applicatio of holography for solar control and daylighting." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 80, Appendix (1996): 309. http://dx.doi.org/10.2150/jieij1980.80.appendix_309.

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Fang, Jiafeng, Yongqing Zhao, Zhen Tian, and Peng Lin. "Analysis of dynamic louver control with prism redirecting fenestrations for office daylighting optimization." Energy and Buildings 262 (May 2022): 112019. http://dx.doi.org/10.1016/j.enbuild.2022.112019.

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Calama-González, Carmen, Ángel León-Rodríguez, and Rafael Suárez. "Daylighting Performance of Solar Control Films for Hospital Buildings in a Mediterranean Climate." Energies 12, no. 3 (February 3, 2019): 489. http://dx.doi.org/10.3390/en12030489.

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One of the main retrofitting strategies in warm climates is the reduction of the effects of solar radiation. Cooling loads, and in turn, cooling consumption, can be reduced through the implementation of reflective materials such as solar control films. However, these devices may also negatively affect daylight illuminance conditions and the electric consumption of artificial lighting systems. In a hospital building, it is crucial to meet daylighting requirements as well as indoor illuminance levels and visibility from the inside, as these have a significant impact on health outcomes. The aim of this paper is to evaluate the influence on natural illuminance conditions of a solar control film installed on the windows of a public hospital building in a Mediterranean climate. To this end, a hospital room, with and without solar film, was monitored for a whole year. A descriptive statistical analysis was conducted on the use of artificial lighting, illuminance levels and rolling shutter aperture levels, as well as an analysis of natural illuminance and electric consumption of the artificial lighting system. The addition of a solar control film to the external surface of the window, in combination with the user-controlled rolling shutter aperture levels, has reduced the electric consumption of the artificial lighting system by 12.2%. Likewise, the solar control film has increased the percentage of annual hours with natural illuminance levels by 100–300 lux.

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Alsukkar, Muna, Mingke Hu, Ahmad Eltaweel, and Yuehong Su. "Daylighting performance improvements using of split louver with parametrically incremental slat angle control." Energy and Buildings 274 (November 2022): 112444. http://dx.doi.org/10.1016/j.enbuild.2022.112444.

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Li, Zhengrong, Junling Ju, and Weipeng Xu. "Daylighting Control Performance and Subject Responses to Electrochromic Windows in a Meeting Room." Procedia Engineering 121 (2015): 27–32. http://dx.doi.org/10.1016/j.proeng.2015.08.1014.

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Lee, E. S., D. L. DiBartolomeo, and S. E. Selkowitz. "Daylighting control performance of a thin-film ceramic electrochromic window: Field study results." Energy and Buildings 38, no. 1 (January 2006): 30–44. http://dx.doi.org/10.1016/j.enbuild.2005.02.009.

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Li, Guiqiang, Qingdong Xuan, Xudong Zhao, Gang Pei, Jie Ji, and Yuehong Su. "A novel concentrating photovoltaic/daylighting control system: Optical simulation and preliminary experimental analysis." Applied Energy 228 (October 2018): 1362–72. http://dx.doi.org/10.1016/j.apenergy.2018.07.024.

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Han, Sang-Pil, Yong-Han Jeon, and Sang-Chul Han. "A Study on Visual Comfort for Compound Lighting Control Method of Applied Daylighting." Journal of the Korean Solar Energy Society 32, spc3 (June 30, 2012): 199–206. http://dx.doi.org/10.7836/kses.2012.32.spc3.199.

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Tzempelikos, Athanasios, and Hui Shen. "Comparative control strategies for roller shades with respect to daylighting and energy performance." Building and Environment 67 (September 2013): 179–92. http://dx.doi.org/10.1016/j.buildenv.2013.05.016.

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Kamaruzzaman, Syahrul Nizam, Rodger Edwards, Emma Marinie Ahmad Zawawi, and Adi Irfan Che-Ani. "Achieving energy and cost savings through simple daylighting control in tropical historic buildings." Energy and Buildings 90 (March 2015): 85–93. http://dx.doi.org/10.1016/j.enbuild.2014.12.045.

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Yahiaoui, A. "Modelling and hybrid control of building lighting systems." Lighting Research & Technology 50, no. 8 (July 23, 2017): 1225–48. http://dx.doi.org/10.1177/1477153517712781.

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The development of an accurate control system for shading devices, essentially motorised Venetian blinds, relies on the rational use of daylight in buildings. This study proposes a control strategy for building lighting components, both daylighting and artificial lighting, to automatically adjust the light level in an office building as required and to block direct sunlight from entering the office, when necessary. The proposed control strategy is based on a hybrid statecharts model mainly consisting of a supervisory control system that chooses appropriate control actions for a current sky condition depending on the sky ratio and clearness index. These control actions are implemented to automatically adjust the blind height and slat angle, and turn on the artificial lighting only when needed. Real experiments in a test-cell demonstrate the effectiveness and flexibility of the proposed control strategy.

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Horneț, Mircea Horne, Raluca Dania Todor, Nicolae Fani Iordan, Cristian Năstac, Mircea Drăghici, and Paraschiva Mizgan. "The Thermal and Optical Behavior of Multilayer Low-E Solar Control Glass Surfaces." Advanced Engineering Forum 21 (March 2017): 506–13. http://dx.doi.org/10.4028/www.scientific.net/aef.21.506.

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Glass is one of the most popular and versatile building materials used today. One reason is because of its constantly improving solar and thermal performance. And one way this performance is achieved is through the use of passive and solar control low-e coatings. In architecture, the proper use of natural light can help reduce the energy consumption of a building (by reducing the heat load for heating - based on the superior of solar contributions, with an appropriate glass type and daylighting). This paper aims to present the thermal behavior of multilayer glass surfaces, low-e solar control and highlight differences to ordinary glass.

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Uriarte, Urtza, Jose Miguel Rico-Martinez, Joan L. Zamora, and Rufino J. Hernández. "Transition Planes for Visual Comfort: Out View with Complex Fenestration System Design at Restaurants in Spain." Energies 14, no. 7 (March 30, 2021): 1906. http://dx.doi.org/10.3390/en14071906.

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This work deals with daylighting for quality indoor atmospheres, considering building skins. In recent years, almost all retrofit facades of restaurants are highly glazed façades, boosting glare, sun ray absorption and overheating inside. Most of the time, they are not integrated with daylight control; therefore, lighting and out view requirements are not so balanced. Taking into account this daylighting complexity, an alternative façade system is proposed to simulate by Radiance. Previously, perception simulations are compared with measured data, in order to discretize the simulations. In addition, for one point three different view are assessed as: work plane, relation plane and the out plane. Subsequently, two virtual façade models, windows combined by complex fenestration system (CFS) as prismatic film (PF) and highly glazed façade, are tested according to daylighting. For that, three indexes have been used: daylight glare probability (DGP), daylight glare index (DGI) and daylight autonomy (DA). The results show that the proposed complex façade has a good light contribution with less absorption, while maintaining the outside view. In addition, the DGI is needed to test the out plane, because DGP is more suitable for lower luminance; therefore, each visual plane should be assessed regarding different visual comfort conditions, or parameters and methods. Accordingly, the mean DGI result of window combined by CFS is approximately lower in 5% than highly glazed façade. However, the DA of highly glazed is higher in 5%, but the DA of window combined by CFS is enough, above 80%. Definitely, the complex scene at restaurant with the proposed integrated façade system improves light performance and indoor atmosphere.

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