HOMEJournal of Daylighting
An international journal devoted to investigations of daylighting in buildings. It is the leading journal that publishes original research on all aspects of Energy, buildings, and lighting.
REVIEW ARTICLE
Daylight Enhancement Strategies for Historic Buildings: A Critical Review of
With the growing urgency to reduce carbon emissions in the built environment, enhancing daylight availability in historic buildings has become a critical and challenging task due to the required balance between environmental sustainability objectives and cultural heritage conservation principles.
Journal of Daylighting 13 (2026) 57-75
RESEARCH ARTICLE
Optimizing Window-to-Floor Ratio and Glazing for Daylight and
In tropical climates, where cooling loads dominate building energy use, minimizing cooling demand is particularly critical for achieving carbon neutrality in educational buildings while maintaining adequate daylight and visual comfort.
Journal of Daylighting 13 (2026) 44-56
RESEARCH ARTICLE
Comparative Analysis of Daylight and Visual Quality Across School Plan
Designing daylight-based spaces has gained increasing attention due to its numerous benefits and alignment with global sustainability standards. However, limited research has focused on how architectural layouts affect daylight distribution and visual quality, particularly in educational environments.
Journal of Daylighting 13 (2026) 20-43
RESEARCH ARTICLE
Effects of Urban Obstructions on Spatial Daylight Autonomy (sDA) and
The limited research on obstruction-driven daylight reduction continues to hinder efforts to optimize natural daylight in compact mid-rise residential buildings.
Journal of Daylighting 13 (2026) 1-19
RESEARCH ARTICLE
Integration of light well through generative design to achieve optimal
A case of urban densification in heritage towns like Pondicherry has led to deep-plan wall to wall layouts, where the depth of the plot is considerably more than its width and multi-storey buildings with limited access to day light and natural ventilation.
Journal of Daylighting 12 (2025) 548-560
RESEARCH ARTICLE
Design Optimization of Atrium Skylights for Enhanced Office Building Performance
The increasing demand for energy and the impact of climate change underscore the necessity of energy-efficient building designs. This study optimizes atrium skylights as a passive design solution for Yazd, Iran aiming to enhance thermal and visual comfort.
Journal of Daylighting 12 (2025) 520-547
RESEARCH ARTICLE
Parametric Exploration of Natural Lighting and Visual Comfort in Contemporary
The re-functioning of historical buildings frequently necessitates new additions. This is particularly relevant for historical buildings with open courtyards, where interventions often involve the installation of upper covers using contemporary materials and techniques This issue can become especially apparent in historical buildings that are completely enclosed with transparent materials, raising concerns about the greenhouse effect and its potential to compromise indoor comfort.
Journal of Daylighting 12 (2025) 506-519
RESEARCH ARTICLE
Multi-Criteria Optimization of Tubular Daylighting Devices for Classrooms in
In educational architecture, particularly in high-solar climates, achieving a balance between ample daylight and visual comfort is a significant challenge.
Journal of Daylighting 12 (2025) 491-505
RESEARCH ARTICLE
Multi-objective Optimization of Girih Tile Patterns and Colored Glass
Efficient energy use is vital in architecture, and the building envelope plays a key role in aesthetics, thermal comfort, energy efficiency, and natural lighting.
Journal of Daylighting 12 (2025) 441-467
REVIEW ARTICLE
Human Interaction with Urban Morphology under the Influence of Urban
Outdoor urban spaces are essential to residents’ well-being, yet their thermal comfort is increasingly compromised by urbanization and climate change. .
Journal of Daylighting 12 (2025) 468-490
RESEARCH ARTICLE
Evaluating the Impact of Lighting Conditions on Workers’ Safety and
Lighting is a key element of design that plays a significant role in affecting workers’ health and safety in industrial workspaces. Given the scarcity of scientific studies addressing visual environments in relation to workers health in industrial buildings, this field study was conducted to explore workers' responses to multiple lighting scenarios inside production halls on their occupational health and safety in six factories in Sadat City, Egypt. .
Journal of Daylighting 12 (2025) 420-440
RESEARCH ARTICLE
Evaluating Daylighting Performance of Parametric Mashrabiya in Mediterranean Climate: A
This study examines the daylighting performance of parametric Mashrabiya-inspired shading devices in a Mediterranean climate, aiming to enhance occupant comfort and visual performance.
Journal of Daylighting 12 (2025) 397-419
RESEARCH ARTICLE
Height-Responsive Balcony-Integrated Envelope Design for High-Rise Residential
Balconies function as essential shading elements within the building envelope, playing a critical role in regulating occupant comfort and energy efficiency.
Journal of Daylighting 12 (2025) 375-396
RESEARCH ARTICLE
EEG-Based Neurophysiological Responses to Classroom Window Views in Green
This study examines the neurophysiological responses of students to different classroom window views - forest, park, and city - within energy-efficient, green campus environments.
Journal of Daylighting 12 (2025) 359-374
RESEARCH ARTICLE
Enhancing Year-Round Thermal Comfort with Solar Control Films: A
Windows significantly contribute to thermal discomfort in high solar irradiance climates by allowing excessive heat gains and uneven indoor temperatures.
Journal of Daylighting 12 (2025) 343-358
RESEARCH ARTICLE
Evaluating Visual and Beyond-Vision Light Effects and Energy Consumption
Light influences human physiology and psychology through visual and beyond-visual effects, collectively termed ‘integrative lighting.’ Human responses depend on luminous (quantity, spectrum, directionality) and temporal (timing, duration, history) factors, yet no studies examined their combined influence on integrative lighting. Th.
Journal of Daylighting 12 (2025) 306-342
RESEARCH ARTICLE
Occupant-Centric Visual Comfort Assessment and Optimization of Passive Solar
This study introduces a comprehensive computational framework integrating image-based simulations, spatial frequency analysis, and multi-objective optimization to evaluate and optimize passive solar shading devices from an occupant-centric perspective.
Journal of Daylighting 12 (2025) 293-305
RESEARCH ARTICLE
Determination of Efficiency of the Vertical Specularly Reflecting Cylindrical Light
Article is devoted to determination of efficiency of the vertical specularly reflecting cylindrical light shaft for various types of the firmaments standardized by CIE (International Commission on Illumination).
Journal of Daylighting 12 (2025) 278-292
RESEARCH ARTICLE
Designing a Kinetic Façade to Control Glare: Inspiration of
In this study, to control glare in buildings with glass facades, a kinetic facade was designed using a pattern inspired by nature. Accordingly, in this study, due to the essential similarity of buildings with plants regarding the inability to move and location, in the first step, plants and their morphology were examined.
Journal of Daylighting 12 (2025) 265-277
RESEARCH ARTICLE
Tessellation-Based Origami-Inspired Movable Façade for Daylighting and
This study emphasizes the importance of daylight performance in interior spaces as a critical factor in achieving global Sustainable Development Goals, including energy efficiency, environmental sustainability, and healthy living conditions.
Journal of Daylighting 12 (2025) 252-264
RESEARCH ARTICLE
Design Alternatives of Light Shelves using Altmann Linkage
This paper proposes a novel new light shelf design with Altmann linkage using its kinetic principles: geometry and rotational angles. As previous studies explain a light shelf’s design in two ways: static and movable, the proposed one in this study has the potential to track the path of the sun due to its diagonal movement. .
Journal of Daylighting 11 (2024) 391-407
RESEARCH ARTICLE
Optimum Geometry of Double-skin Self-Shading Facade of Classrooms
The significant energy consumption in educational spaces worldwide and its environmental impact greatly influence the quality of space, learning levels, and student comfort.
Journal of Daylighting 11 (2024) 372-389
RESEARCH ARTICLE
Parametric Optimization Approach to Evaluate Dynamic Shading Within Double-Skin
This research aims to support the choice of an appropriate dynamic louver shading system (DL-SS) within double-skin facade insulated glazed units (DSF-IGUs) as a high-performance integrated window system (DSF-IGUs/DL-SS) that meets both thermal and energy performance via daylight availability under a tropical climate.
Journal of Daylighting 11 (2024) 349-371
RESEARCH ARTICLE
Artificial Neural Network to Predict Curvature Light Shelf Design Related
Energy Optimization in building design field now has been revolutionized due to AI and machine learning applications. Leveraging daylight to reduce artificial lighting consumption holds promise for significant energy savings, yet the nonlinear nature of daylight patterns poses challenges in prediction and optimization.
Journal of Daylighting 11 (2024) 334-348
RESEARCH ARTICLE
Investigation of the Effect of Parametric Patterned Façade and
Parametric design is one of the thriving contemporary architectural treatments that not only has an influence on the design of building envelopes but is capable of affecting the users physically and psychologically.
Journal of Daylighting 11 (2024) 312-333
RESEARCH ARTICLE
Analyzing Passive Design Retrofits using Pareto Front Optimization to Reduce
Buildings are one of the leading sources of carbon emissions in the world. Most of the carbon emissions are released during the operation phase of the building.
Journal of Daylighting 11 (2024) 290-311
RESEARCH ARTICLE
Tracker-less Sunlight Collection Apparatus, using an Array of Optical
The paper describes an array of optical cones as a potential configuration for tracker-less daylighting, without using an electro-mechanical tracker. Subsequently, a single optical cone is analyzed, mainly in terms of sunlight collection efficiency and acceptance angle, as a function of the cone's geometrical dimensions.
Journal of Daylighting 11 (2024) 279-289
RESEARCH ARTICLE
Analytical Study on Reducing the Heating Effects of Daylight and
Climate change is an environmental issue that is rapidly escalating due to the effects of global warming. The increase in carbon emissions, along with various human activities such as industrial processes, land use changes, and the reckless consumption of natural resources, are among the primary causes of global warming.
Journal of Daylighting 11 (2024) 268-278
RESEARCH ARTICLE
Optimising Daylighting Performance Through Side light with Passive Devise Design
Passive lighting design plays an important role in providing natural lighting to save electricity consumption in buildings. This study aims to investigate the performance of natural lighting and the potential of alternative designs through sidelights with 3 shading device models and light shelves with different sizes in north, west, east, and south orientations.
Journal of Daylighting 11 (2024) 247-267
RESEARCH ARTICLE
Daylight Enhancement Strategies Through Roof for Heritage Buildings
Enhancing daylighting in heritage buildings is a complex challenge that requires a delicate balance between preserving architectural integrity and improving visual comfort.
Journal of Daylighting 11 (2024) 234-246
RESEARCH ARTICLE
Investigation of daylight availability in university dining halls: A case
This study evaluates the availability of daylight inside a university’s dining halls over two days (one sunny and one cloudy) using light meters in real-life sittings. .
Journal of Daylighting 11 (2024) 216-233
RESEARCH ARTICLE
Energy efficiency in smart schools using renewable energy strategy
As smart schools increasingly rely on technology, achieving energy efficiency becomes crucial for cost reduction and sustainability. This study investigates energy efficiency strategies in smart schools, focusing on the integration of renewable energy technologies.
Journal of Daylighting 11 (2024) 203-215
RESEARCH ARTICLE
Synergistic Strategies: Comparing Energy Performance in Climate-Adaptive Building Envelopes
Climate change and improving building energy performance are significant contemporary concerns. Conversely, climate-adaptive building envelopes (CABEs) offer promising solutions to enhance structural performance amidst fluctuating environmental conditions.
Journal of Daylighting 11 (2024) 181-202
RESEARCH ARTICLE
Design Adjustments For Daylighting and Visual Comfort in a Classroom
This paper evaluates how design adjustments applied to roller shades and louvres (namely the height of the shadings head and the angles of the louvre slats) can improve their annual and spatial effectiveness to provide autonomous daylight levels, reduce daylight glare problems, and offer views outside.
Journal of Daylighting 11 (2024) 165-180
RESEARCH ARTICLE
Performance of Shading Against West Glass Facades to Optimise Daylight,
In tropical urban areas, the vertical facades of buildings often play a crucial role in capturing solar radiation and heat, especially for office buildings facing west during the afternoon.
Journal of Daylighting 11 (2024) 131-148
RESEARCH ARTICLE
Designerly Approach to Design Responsive Façade for Occupant Visual
In recent years, attention has focused on improving the health and satisfaction of employees by enhancing visual comfort in workplaces. This involves providing adequate natural daylight, glare control, and outdoor views.
Journal of Daylighting 11 (2024) 149-164
RESEARCH ARTICLE
Geometry Optimization of Industry Buildings for Energy-Driven Design Development
Even though the manufacturing industry consumes roughly 54% of total available energy globally, little consideration has been devoted to optimizing energy in the early stages of industry design, particularly in densely populated cities.
Journal of Daylighting 11 (2024) 119-130
REVIEW ARTICLE
Exploring Methodological Considerations: A Literature Review on How Lighting Affects
The impacts of lighting conditions on human circadian rhythms, sleep quality, and cognitive performance have been extensively investigated in the past two decades; however, these studies have yielded inconclusive and variable outcomes.
Journal of Daylighting 11 (2024) 97-118
RESEARCH ARTICLE
Enhancing Visual Comfort and Energy Efficiency in Office Lighting Using
The number of desk workers who frequently conduct their jobs at home has increased dramatically during Covid-19. Work-from-home flexibility makes it attractive for workers and companies, resulting in a “Work-Style Reform” after the Covid-19 pandemic. Ho.
Journal of Daylighting 11 (2024) 69-96
RESEARCH ARTICLE
A Multi-objective Optimization of Window and Light Shelf Design
In office buildings, an efficient design of windows and using light shelves as a passive design strategy significantly influence the thermal and visual comfort of occupants while enhancing the productivity and health of users.
Journal of Daylighting 11 (2024) 55-68
Join our Editorial Board
CVs should be submitted electronically to jd@solarlits.com.
Editorial Board
Prof. Önder Güler
Istanbul Technical University, Türkiye
Prof. Lambros T. Doulos
Hellenic Open University, Greece
Prof. Antonio Manuel Peña García
University of Granada, Spain
Dr Valerio Roberto Maria LO VERSO
Politecnico di Torino (Polytechnic University of Turin), Italy
Prof Hongfei Zheng
Beijing Institute of Technology, China
Dr Arsenio Barbón
University of Oviedo, Spain
Dr Canan Kandilli
Usak University, Turkey
Dr Ferdinando Salata
University of Rome, Italy
Prof. Nabil Elminshawy
Port Said University, Egypt
Prof Laura Bellia
University of Naples Federico II, Italy
Dr Susana Lagüela López
University of Vigo, Spain
Dr Paola Sansoni
CNR-INO, Italy
Dr Guiqiang Li
University of Science and Technology of China, China
Prof. Barbara Szybinska Matusiak
NTNU, Norway
Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia
Dr Ahmed A. Y. Freewan
Jordan University of Science and Technology, Jordan
Dr Hui Shen
Texas A&M University-Kingsville, USA
Dr. Francesca Fragliasso
University of Naples Federico II, Italy
Dr Rizki A. Mangkuto
Institut Teknologi Bandung, Indonesia
Dr Francesco Sommese
University of Naples Federico II, italy
Prof Jitka Mohelnikova
Brno University of Technology, Czech Republic
Wei Wang
Southeast University, 中国
Dr Vincenzo Costanzo
University of Catania, Italy
Faris Ali Mustafa
Salahaddin University - Erbil, Iraq
Dr. Francesco Nocera
Department of Civil Engineering and Architecture, University of Catania (ITALY), Italy
Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt
Alp Tural
Virginia Tech, USA
Dr Doris Abigail Chi Pool
Universidad de las Américas Puebla, Mexico
Dr Marina Bonomolo
University of Palermo, Italia
Dr. Peng XUE
Beijing University of Technology, China
RESEARCH ARTICLE
Unfolding 3D Space into Binary Images for Daylight Simulation via
Daylighting plays a crucial role in building science, impacting both occupants’ well-being and energy consumption in buildings. Balancing the size of openings with energy efficiency has long been a challenge. .
Journal of Daylighting 10 (2023) 204-2013
RESEARCH ARTICLE
The Architectural Design of Building Façade Models Related to
Lighting control integrated with daylighting is recognized as an important and useful strategy in energy efficient building design. One of the right factors to reduce energy consumption for artificial lighting during the day is the maximum utilization of sunlight.
Journal of Daylighting 10 (2023) 60-71
RESEARCH ARTICLE
Evaluation of Daylight Availability for Energy Savings
Dynamic daylight simulations are very useful instruments in daylighting design process. They allow an in depth analysis of indoor daylight availability levels and define if they are adequate to perform a particular visual task.
Journal of Daylighting 2 (2015) 12-20
RESEARCH ARTICLE
Design Optimization of the Skylight for Daylighting and Energy Performance
In terms of sustainable design, lateral windows and skylights are important. Daylighting has become a vital component in office buildings because it increases occupants' productivity, well-being, and energy savings via windows and skylights.
Journal of Daylighting 10 (2023) 72-86
RESEARCH ARTICLE
Illumination and Lighting Energy Use in an Office Room with
This paper describes a field study of the illumination and lighting energy use in a full-scale test office in a building located in southern Norway. Natural light is provided to the office via southwest-oriented windows and a horizontal light pipe (HLP) with a daylight entrance facing the south.
Journal of Daylighting 9 (2022) 209-227
RESEARCH ARTICLE
Biomimicry as an Approach to Improve Daylighting Performance in Office
Biomimicry inspired architects to solve complex design problems and develop adaptive solutions for enhancing the environmental quality. Fields of inspiration include energy efficiency, natural ventilation, daylighting, and structural stability.
Journal of Daylighting 10 (2023) 1-16
RESEARCH ARTICLE
Measurement, Simulation, and Quantification of Lighting-Space Flicker Risk Levels
Building owners are transitioning towards a smart lighting solution for illumination purposes. LED (Light Emitting Diode) lighting application has become a norm given its high efficacy and energy efficiencies.
Journal of Daylighting 8 (2021) 239-254
RESEARCH ARTICLE
Optimum Glazing Configurations for Visual Performance in Algerian Classrooms under
Daylight quality and quantity in Algerian schools show serious problems in ensuring visual comfort of students and teachers. Some problems are due to window design, which leads to excessive amount of sunlight penetration into the classrooms.
Journal of Daylighting 6 (2019) 11-22
RESEARCH ARTICLE
A Methodology to Link the Internal Heat Gains from Lighting
This paper critically discusses the procedure prescribed by the Italian Technical Standards to account for the internal gains in the calculation of the energy performance indices for a building.
Journal of Daylighting 1 (2014) 56-67
RESEARCH ARTICLE
Optimal Window to Wall Ratio Ranges of Photovoltachromic Windows in
Windows are one of the weakest building components concerning high thermal losses. Traditional windows cannot adapt to external and internal environmental conditions.
Journal of Daylighting 8 (2021) 134-148
RESEARCH ARTICLE
Design of a Multi-Surface Solar Concentrator
A multi-surface solar concentrator is proposed in this study. The concentrator is designed by improving the light receiving rate of a parabola when the incident angle changes within 0°~20° by adding involute, shifting the involute up, and changing the shape of the parabolic top. .
Journal of Daylighting 6 (2019) 176-186
RESEARCH ARTICLE
Improvement of Daylight Factor Model for Window Size Optimization and
Based on a new approach for the prediction of the Daylight Factor (DF), using existing empirical models, this research work presents an optimization of window size and daylight provided by the glazed apertures component for a building located in a hot and dry climate.
Journal of Daylighting 8 (2021) 204-221
REVIEW ARTICLE
Daylight Transport Systems for Buildings at High Latitudes
This paper is a literature study of daylight transport systems aiming at selecting the most appropriate ones for application at high latitudes. It is limited to the systems that transport light at a long distance from the façade and distribute it either in the building core or at a rear place in a room adjacent to the façade. .
Journal of Daylighting 6 (2019) 60-79
RESEARCH ARTICLE
The Effect of Sky View Factor on Air temperature in
Urban geometry is defined by the height, length, width, and distance of buildings, which affect the urban environment and its microclimate, especially a high-rise and high-density urban environment, such as Tehran.
Journal of Daylighting 6 (2019) 42-51
RESEARCH ARTICLE
Towards New Design of Laser Cut Acrylic Panels for Windows
This paper builds upon existing research into laser cut panels and aims to find new design-patterns that would improve daylighting conditions of existing rooms when applying the laser-cut panels on vertical windows.
Journal of Daylighting 6 (2019) 1-10
RESEARCH ARTICLE
Effective Use of Daylight in Office Rooms
The rational use of daylight can significantly reduce the cost of electricity for artificial lighting. This research aims at investigating the parameters of translucent structures of building envelope, and the value of daylight factor, for which maximum efficiency of daylight usage is achieved in office rooms.
Journal of Daylighting 7 (2020) 154-166
RESEARCH ARTICLE
Evaluation of Daylight and Glare Quality of Office Spaces with
There has been an increasing awareness in recent years about the evaluation of daylight and glare quality in buildings. In the study, an office space with a flat and a dynamic shading system facade (triangular cell facade) is discussed in the province of Mardin, which is in a hot and arid climate zone.
Journal of Daylighting 9 (2022) 197-208
RESEARCH ARTICLE
Impact of Window Design on Dynamic Daylight Performance in an
Window design affects the building's appearance. Besides, it has a significant impact on daylight performance and the visual comfort of interior spaces.
Journal of Daylighting 10 (2023) 31-44
RESEARCH ARTICLE
Maximizing the Performance of Laser Cut Panel by Interaction of
The interaction between different ceiling geometries with laser cut panels (LCPs) is investigated using real experiments and computer simulations to maximize the daylight performance of the LCP.
Journal of Daylighting 1 (2014) 29-35
RESEARCH ARTICLE
Assessment of the Thermal Performance of Vertical Green Walls Using
Construction of multifunctional building envelopes using vertical greenery walls (VGW) has emerged as a sustainable green technology to improving cooling efficiency.
Journal of Daylighting 8 (2021) 294-312
RESEARCH ARTICLE
Metamodeling of the Energy Consumption of Buildings with Daylight Harvesting –
Daylight harvesting is a well-known strategy to address building energy efficiency. However, few simplified tools can evaluate its dual impact on lighting and air conditioning energy consumption.
Journal of Daylighting 8 (2021) 255-269
RESEARCH ARTICLE
Lighting Energy Saving with Light Pipe in Farm Animal Production
The Swedish animal production sector has potential for saving electric lighting of €4-9 million per year using efficient daylight utilisation. To demonstrate this, two light pipe systems, Velux® (house 1) and Solatube® (house 2), are installed in two identical pig houses to determine if the required light intensity, daylight autonomy (DA), and reduced electricity use for illumination can be achieved. In.
Journal of Daylighting 2 (2015) 21-31
RESEARCH ARTICLE
Daylighting metrics: an approach to dynamic cubic illuminance
Advances in research work in the field of numerical analysis of daylight performance have generated in-depth knowledge on photometric measurements of daylight quality.
Journal of Daylighting 5 (2018) 34-42
RESEARCH ARTICLE
An Investigation-Based Optimization Framework of Thermal Comfort Analysis in
Optimization becomes more valuable when the optimal variables decision can consider sensitivity analysis. To get optimum results quickly, this study established a synthetic sensitivity analysis and multi-objective optimization approach, which is combined with an energy simulation framework characterized by parallel processing.
Journal of Daylighting 9 (2022) 48-63
RESEARCH ARTICLE
A New Trend for Indoor Lighting Design Based on A
Most power system planners are interested in the savings of electrical power consumption. Various references demonstrate that the highest consumed power is by the lighting systems standing around 19% of worldwide energy consumption.
Journal of Daylighting 7 (2020) 137-153
RESEARCH ARTICLE
Optical Analysis of a New Solar Distiller with Cylindrical Surface
In this paper, a new solar distiller floating on ocean with cylindrical surface concentrator and vertical gap evaporator is proposed for solving the problem of freshwater shortage in islands.
Journal of Daylighting 8 (2021) 100-109
RESEARCH ARTICLE
Optical Analysis of A Sliding-Type Cylindrical Fresnel Lens Concentrating
Agricultural greenhouses are commonly built around cities to supply residents with agricultural products or green plants. With an increasing demand for plants’ growing environment, the temperature and illumination inside the greenhouses are counted especially during cold winter. .
Journal of Daylighting 8 (2021) 110-119
RESEARCH ARTICLE
Comparative Study on Computer Simulation of Solar Shading Performance with
Current technological advancement and the requirement for sustainability-driven practices has birthed increased demands for accuracy in performance and assessment of energy consumption in the built environment.
Journal of Daylighting 8 (2021) 50-64
RESEARCH ARTICLE
Simulation of Daylighting Conditions in a Virtual Underground City
From the Piranesi fantastic architectures to the animation movies and video games of the last thirty years, a new design approach has been introduced and developed: the design of the virtual space.
Journal of Daylighting 2 (2015) 1-11
RESEARCH ARTICLE
An Improvement to Calculation of Lighting Energy Requirement in the
Daylighting has a recognized potential for electric energy savings when is used as a complement for artificial lighting. This study reviews the comprehensive calculation method for lighting energy requirement in non-residential buildings introduced by the European Standard EN 15193: 2007 and investigates its feasibility in China.
Journal of Daylighting 1 (2014) 16-28
RESEARCH ARTICLE
Energy Saving Generated Through Automatic Lighting Control Systems According to
The standard EN 15193-1:2017 “Energy performance of buildings - Energy requirements for lighting” introduced a detailed method to calculate the energy demand for lighting in buildings. Th.
Journal of Daylighting 6 (2019) 131-147
RESEARCH ARTICLE
Optical Characteristics of Traditional Portuguese Azulejos: Mixing Colors to Obtain “
The need to reduce energy consumptions in buildings brings modern research to focus on the use of natural sources. In this context, the interest towards traditional architecture has been fueled, since one of the characteristics identifying it is the intuitive and intrinsic link between the building and the surrounding environment.
Journal of Daylighting 7 (2020) 273-281
SHORT COMMUNICATION
No-Greenery Line and Greenery-View Factor, New Architectural Design
The paper proposes a new tool for evaluation of the degree of visual contact with the outdoor greenery, the Greenery-View factor (GV), intended to be easy to grasp and simple to use.
Journal of Daylighting 7 (2020) 282-286
RESEARCH ARTICLE
Power Factor Correction of Compact Fluorescent and Tubular LED Lamps
Compact Fluorescent Lamps (CFLs) and Light-emitting Diode (LED) lamps have received wide acceptance in lighting applications during the last few years.
Journal of Daylighting 7 (2020) 73-83
RESEARCH ARTICLE
The Role of Orosi’s Islamic Geometric Patterns in the
The form of the building facade significantly affects the amount of useful daylight admitted in the interior space. Striking a balance between the visual comforts of occupants and taking advantage of daylight is always a challenge and, therefore, investigating complex, geometric forms of Orosi patterns can be an effective way of improving visual comfort alongside the aesthetic aspects.
Journal of Daylighting 7 (2020) 201-221