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.
Newest Articles
RESEARCH ARTICLE
Optimising Daylight Performance in Healthcare Buildings with a Computational Framework
Daylight has a direct impact on patient comfort and building energy consumption in healthcare facilities. It is essential to design healthcare facilities using strategies that prioritise individual health and account for time constraints, in line with the European Union Sustainable Development Goals...
Journal of Daylighting 13 (2026) 333-346
RESEARCH ARTICLE
Optimizing Horizontal Shading Devices for Daylight Performance and Energy Efficiency
This study optimizes horizontal shading devices for south-facing office façades in Kathmandu to balance daylight, energy, and visual comfort under current and future climates....
Journal of Daylighting 13 (2026) 315-332
RESEARCH ARTICLE
Improving Renewable Energy Forecasting through Integrated Analysis of Solar and
This study investigates the application of machine learning, deep learning, and hybrid approaches for predicting solar radiation and meteorological variables...
Journal of Daylighting 13 (2026) 300-314
RESEARCH ARTICLE
Closed-Form Analytical Formulation of Lighting Design Objectives Procedure in
Mean room surface exitance (MRSE), which indicates the amount of ambient illuminance in a room, is an important parameter in contemporary lighting design objectives (LiDOs) procedures...
Journal of Daylighting 13 (2026) 285-299
RESEARCH ARTICLE
Improvement of Indoor Daylight Collecting System with Dual-Angled Circular
This study investigates the use of daylight as a primary source of illumination, given its contribution to reduced energy consumption and enhanced visual comfort in indoor environments...
Journal of Daylighting 13 (2026) 273-284
RESEARCH ARTICLE
Effects of Window Design on Natural Ventilation and Daylighting in
Single-sided computer labs face challenges in achieving adequate natural ventilation and balanced daylighting, particularly in hot-arid climates. This study examines the effects of window-to-wall ratio (WWR) and window placement on ventilation and daylighting performance using an integrated simulation framework...
Journal of Daylighting 13 (2026) 253-272
RESEARCH ARTICLE
Horizontal Light Pipe System for Daylight Optimization in Deep-Plan
Deep-plan spaces, such as a library reading area, typically suffer from poor daylight penetration to the core, which reduces visual comfort and increases dependence on artificial lighting...
Journal of Daylighting 13 (2026) 227-252
RESEARCH ARTICLE
Biotic Shading for Better Light Environment
Tropical climates with partially cloudy skies are characterized by high luminance on the glass façades of high-rise buildings, which is a significant challenge as it causes glare and eyestrain among workers....
Journal of Daylighting 13 (2026) 214-226
RESEARCH ARTICLE
Adopting Generative Artificial Intelligence in Daylighting Design Process
Generative Artificial Intelligence (GenAI) is increasingly adopted in architectural design and widely investigated in the research field. However, several limitations hinder its broader integration into design processes...
Journal of Daylighting 13 (2026) 196-213
RESEARCH ARTICLE
Window Orientation, Glare, and Visual Comfort in Offices
This study explores the relationship between glare and visual comfort in office environments in relation to daylight conditions in office spaces. The research combines three approaches: field measurements of illumination, user surveys to assess visual comfort, and 3D daylight simulations using Rhino and DIVA software, which studied 21 participants (13 men and 8 women) working in 14 office rooms with window orientations...
Journal of Daylighting 13 (2026) 167-195
RESEARCH ARTICLE
Impact of Building Height and Window Configurations on Ventilation Performance
Institutional kitchens often experience inadequate thermal comfort and indoor air quality (IAQ) due to intense heat generation and pollutant emissions from cooking activities, increasing workers’ exposure to heat stress and related health risks. ...
Journal of Daylighting 13 (2026) 143-166
RESEARCH ARTICLE
Achieving Zero-Energy Housing in Afghanistan: an Integrated Life-Cycle
The residential building sector in Afghanistan (AFG) is a significant contributor to energy consumption and greenhouse gas (GHG) emissions, exacerbated by non-adherence to architectural standards and a critical lack of localized energy-efficiency (EE) research...
Journal of Daylighting 13 (2026) 124-142
RESEARCH ARTICLE
Architectural Factors Affecting Illumination in Swedish Dairy Barns: Insights from
Illumination of dairy barns impacts animal health, milk production, and building energy efficiency. The aim of this study was to assess the existing daylighting and electric lighting conditions of dairy barns located in Southern Sweden...
Journal of Daylighting 13 (2026) 108-123
RESEARCH ARTICLE
Evaluating Daylighting Gains from Window Geometry Reconfiguration in a Classroom
Daylighting is a key aspect of educational building design, supporting both visual comfort and energy efficiency. However, design practice often reduces the role of windows to aperture ratios, with limited attention to the influence of window geometry on daylight performance...
Journal of Daylighting 13 (2026) 97-107
RESEARCH ARTICLE
Sequential Multi-Objective Optimization and Post-optimization Sensitivity Analysis of
Global climate action necessitates the optimization of building envelopes during early design to enhance energy efficiency and occupant comfort. Exterior light shelves are a critical passive strategy for improving thermal and visual comfort while simultaneously reducing energy consumption...
Journal of Daylighting 13 (2026) 76-96
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
Join our Editorial Board
CVs should be submitted electronically to jd@solarlits.com.
Editorial Board
Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia
Dr Valerio Roberto Maria LO VERSO
Politecnico di Torino (Polytechnic University of Turin), Italy
Dr Guiqiang Li
University of Science and Technology of China, China
Dr Susana Lagüela López
University of Vigo, Spain
Prof Francesco Asdrubali
University of Perugia, Italy
Dr. Kacem Gairaa
center for renewable energy development, Algeria
Dr Paola Sansoni
CNR-INO, Italy
Prof Laura Bellia
University of Naples Federico II, Italy
Prof. Lambros T. Doulos
Hellenic Open University, Greece
Prof. Yuehong Su
University of Nottingham, UK
Prof Hongfei Zheng
Beijing Institute of Technology, China
Prof. Nabil Elminshawy
Port Said University, Egypt
Prof. Antonio Manuel Peña García
University of Granada, Spain
Dr Canan Kandilli
Usak University, Turkey
Prof. Barbara Szybinska Matusiak
NTNU, Norway
Dr Osama Mohamed Omar
University of Bahrain , Bahrain
Dr jian yao
Ningbo University, China
Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt
Dr. Feride Şener Yılmaz
Istanbul Technical University, Turkey
Dr Karam M. Al-Obaidi
Sheffield Hallam University, UK
Omid Nematollahi
Isfahan University of Technology, South Korea
Dr Lim Yaik Wah
Universiti Teknologi Malaysia, Malaysia
Dr Hui Shen
Texas A&M University-Kingsville, USA
Dr Francesco Sommese
University of Naples Federico II, italy
Dr Marina Bonomolo
University of Palermo, Italia
Alp Tural
Virginia Tech, USA
Dr Petar Pejic
University of Niš, Serbia
Dr Seyed Morteza Hosseini
Aalborg University, Denmark
Prof Jitka Mohelnikova
Brno University of Technology, Czech Republic
Dr Paula M. Esquivias
University of Granada, Spain
Featured Articles from Past Issues
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
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
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
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
Visual Comfort Assessment of Hospital Patient Rooms with Climate Responsive
As advanced technologies become prevalent, they are being used more widely in numerous fields. The building sector is not an exception. One of these cutting-edge technologies is responsive facades, which are used in buildings and have an undeniable effect on daylighting.
Journal of Daylighting 10 (2023) 17-30
RESEARCH ARTICLE
The optimization of louvers shading devices and room orientation under
This paper presents parametric and multi-objective optimization (MOO) approach in optimizing daylight and energy consumption by incorporating louvres shading devices depicting three different sky conditions: Birmingham, UK, Jakarta, Indonesia, and Sydney, Australia.
Journal of Daylighting 9 (2022) 137-149
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
RESEARCH ARTICLE
Sunlight-Daylight Signature: a Novel Concept to Assess Sunlight and
Daylighting and solar availability at urban scale has come to play a crucial role in the perception of discomfort conditions for people, both in outdoor and indoor spaces, and on the energy consumption of buildings.
Journal of Daylighting 10 (2023) 136-152
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
RESEARCH ARTICLE
Daylighting Evaluation and Optimisation of Window to Wall Ratio for
A base case model is a more potent dose for applied research; the passive architectural design for sustainability requires optimised experiments. However, experimenting with physical developments require construction and deconstruction until they achieved the optimal scenario.
Journal of Daylighting 8 (2021) 20-35
RESEARCH ARTICLE
The Effects of Orientation and Width of Space Between Buildings
Excessive heat in the high-rise urban fabric has contributed to pedestrian and occupants' discomfort. Establishing wind circulation in space with an environmentally compatible and optimal configuration is necessary to improve comfort in this region.
Journal of Daylighting 10 (2023) 99-116
RESEARCH ARTICLE
Economic and Energy Efficiency of Artificial Lighting Control Systems for
The aim of the research is to determine the economic and energy efficiency usage of the artificial lighting control systems, with the help of astronomical relays and motion sensors, by various types of light sources for the stairwells (stair landings and staircases) of multistory residential buildings.
Journal of Daylighting 7 (2020) 93-106
RESEARCH ARTICLE
Comparative Investigation of Daylight Glare Probability (DGP) Comfort Classes in
Glare is considered one of the most important variables to reach visual comfort and visual quality. It represents one of the fundamental barriers for an effective use of daylighting in buildings.
Journal of Daylighting 8 (2021) 284-293
RESEARCH ARTICLE
Experimental Analysis on a 1:2 Scale Model of the
This paper is focused on the daylighting system named Modified Double Light Pipe (MDLP) designed by the authors as an evolution of the Double Light Pipe to eliminate the drawbacks due to its encumbrance and the high luminance of its upper portion.
Journal of Daylighting 9 (2022) 228-241