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.
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
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
Join our Editorial Board
CVs should be submitted electronically to jd@solarlits.com.
Editorial Board
Dr Paola Sansoni
CNR-INO, Italy
Dr Susana Lagüela López
University of Vigo, Spain
Prof. Yuehong Su
University of Nottingham, UK
Prof. Önder Güler
Istanbul Technical University, Türkiye
Dr Canan Kandilli
Usak University, Turkey
Prof. Barbara Szybinska Matusiak
NTNU, Norway
Dr Ferdinando Salata
University of Rome, Italy
Dr Valerio Roberto Maria LO VERSO
Politecnico di Torino (Polytechnic University of Turin), Italy
Prof Umberto Berardi
Politecnico di Bari, Italy
Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia
Prof Laura Bellia
University of Naples Federico II, Italy
Prof. Nabil Elminshawy
Port Said University, Egypt
Dr Arsenio Barbón
University of Oviedo, Spain
Prof Hongfei Zheng
Beijing Institute of Technology, China
Prof Francesco Asdrubali
University of Perugia, Italy
Dr jian yao
Ningbo University, China
Dr. Michele Rocca
University of Pisa, Italia
Dr Hui Lv
Hubei University of Technology, China
Dr Lim Yaik Wah
Universiti Teknologi Malaysia, Malaysia
Dr. Francesca Fragliasso
University of Naples Federico II, Italy
Prof Jitka Mohelnikova
Brno University of Technology, Czech Republic
Dr Hui Shen
Texas A&M University-Kingsville, USA
Dr. Feride Şener Yılmaz
Istanbul Technical University, Turkey
Dr Vincenzo Costanzo
University of Catania, Italy
Omid Nematollahi
Isfahan University of Technology, South Korea
Prof. BANU MANAV
Kadir Has University, Turkey
Dr Seyed Morteza Hosseini
Aalborg University, Denmark
Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt
Dr Ahmed A. Y. Freewan
Jordan University of Science and Technology, Jordan
Dr Karam M. Al-Obaidi
Sheffield Hallam University, UK
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
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
Improving Daylight Availability in Heritage Buildings: A Case Study of
Refurbished heritage buildings usually lack in meeting the required standards defined for the new function especially when reused as educational buildings.
Journal of Daylighting 8 (2021) 120-133
RESEARCH ARTICLE
A Combined Method for an Exhaustive Investigation of the Anidolic
Lighting quality in office environments is a broad concept that must be taken into account in the design stage to deliver comfortable spaces to reduce workers' stress.
Journal of Daylighting 8 (2021) 149-164
RESEARCH ARTICLE
Lighting to Enhance Wayfinding for Thai Elderly Adults in Nursing
The main purpose of this study was to explore the effects of lighting and other environmental variables in terms of the colour, signage, and furnishings on the indoor wayfinding of Thai seniors in a nursing home.
Journal of Daylighting 7 (2020) 25-36
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
Optical Characteristic Investigation on an Underwater Adjustable Focus Solar Concentrator
This paper presents an underwater adjustable focus solar concentrator, which is composed of a piece of transparent elastic membrane and a hollow cylindrical-like structure.
Journal of Daylighting 6 (2019) 169-175
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
Ray Tracing Algorithm to Simulate Laser-Cut Panel Light-Redirecting
Daylighting simulation software is an important tool to improve the quality of building design and to improve the quality of the built environment. For its application to correspond to reality, its algorithm needs to reflect real behaviour in the best possible way.
Journal of Daylighting 10 (2023) 87-98
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
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
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
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
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
Biomimetic Kinetic Shading Facade Inspired by Tree Morphology for Improving
Many recent studies in the field of the kinetic façade developed the grid-based modular forms through primary kinetic movements which are restricted in the simple shapes..
Journal of Daylighting 8 (2021) 65-85
RESEARCH ARTICLE
Lighting Quality Self-assessment in Italian Home Offices
The spread of information technology and the improvement of telecommunicating systems have changed the way to conceive work. People performing typical office activities provided with a laptop and an internet connection can work in whatever place: a coffee house, a waiting room of a train station, an airport, or their own home.
Journal of Daylighting 9 (2022) 177-196
RESEARCH ARTICLE
Evaluation of Occupants’ Visual Perception in Day Lit Scenes: A
Daylight improves indoor environmental quality, the physical and mental health of occupants, and their efficiency. Research in the area of human-centric lighting that considers the visual and non-visual effects of light on human vision, have focused on examining human visual perception in response to a wide variety of lighting aspects.
Journal of Daylighting 10 (2023) 45-59
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
RESEARCH ARTICLE
Application of Micro-structured Sunlighting Systems in Different Climatic Zones
Two-sided micro-structures on windowpanes have been developed for redirecting sunlight into the depth of rooms in order to improve daylighting. In a joint research project comprehensive sunlighting-systems for windows are developed, integrating micro-structures in triple-glass units.
Journal of Daylighting 6 (2019) 52-59
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
Impact of Furniture Layout on Indoor Daylighting Performance in Existing
Currently, home-based computing workspaces have developed substantially all over the world, especially in Malaysia. This growing trend attracts computer workers to run a business from their residential units.
Journal of Daylighting 5 (2018) 1-13
RESEARCH ARTICLE
Photobioreactors as a Dynamic Shading System Conceived for an Outdoor
In the field of responsive shading systems, the use of photobioreactors (PBRs) containing microalgae seems to be a promising technology. Within this framework, this paper presents a case study where a PBR was specifically conceived as a shading system for an external workspace located on an open terrace of the State Library of Queensland (SLQ) in Brisbane.
Journal of Daylighting 6 (2019) 148-168
RESEARCH ARTICLE
Optimization of Daylighting Design Using Self-Shading Mechanism in Tropical
Despite its potential, daylighting strategies in school classrooms in the tropical climate regions is little explored in the literature. The use of two-sided or bilateral daylight opening, as well as the self-shading mechanism using sloped walls, are currently seen as potential strategies to achieve good daylighting in tropical buildings.
Journal of Daylighting 9 (2022) 117-136
RESEARCH ARTICLE
A Comprehensive Evaluation of Perforated Façades for Daylighting and
New design tools have enabled architects to explore complex geometries for building envelopes. Perforated Screens (PS) have gained popularity but their design is still intuitive, often focused on aesthetic and morphological criteria.
Journal of Daylighting 6 (2019) 97-111
RESEARCH ARTICLE
Experimental Analysis of the Performance of Light Shelves in Different
Daylight plays a significant role in achieving energy saving and comfort in buildings. It is in accordance with the human circadian rhythms and allows the best visual conditions in work environments and residential buildings.
Journal of Daylighting 7 (2020) 37-56