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
Prof Umberto Berardi
Politecnico di Bari, Italy
Prof. Antonio Manuel Peña García
University of Granada, Spain
Dr Susana Lagüela López
University of Vigo, Spain
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 Arsenio Barbón
University of Oviedo, Spain
Prof Laura Bellia
University of Naples Federico II, Italy
Prof Francesco Asdrubali
University of Perugia, Italy
Prof. Lambros T. Doulos
Hellenic Open University, Greece
Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia
Dr Ferdinando Salata
University of Rome, Italy
Prof Hongfei Zheng
Beijing Institute of Technology, China
Dr Paola Sansoni
CNR-INO, Italy
Prof. Barbara Szybinska Matusiak
NTNU, Norway
Dr Canan Kandilli
Usak University, Turkey
Dr. Michele Rocca
University of Pisa, Italia
Dr Seyed Morteza Hosseini
Aalborg University, Denmark
Dr. Francesco Nocera
Department of Civil Engineering and Architecture, University of Catania (ITALY), Italy
Omid Nematollahi
Isfahan University of Technology, South Korea
Dr. Feride Şener Yılmaz
Istanbul Technical University, Turkey
Dr Hui Shen
Texas A&M University-Kingsville, USA
Dr Karam M. Al-Obaidi
Sheffield Hallam University, UK
Prof Jitka Mohelnikova
Brno University of Technology, Czech Republic
Dr. Peng XUE
Beijing University of Technology, China
Dr Petar Pejic
University of Niš, Serbia
Dr. Francesca Fragliasso
University of Naples Federico II, Italy
Dr Ahmed A. Y. Freewan
Jordan University of Science and Technology, Jordan
Dr Osama Mohamed Omar
University of Bahrain , Bahrain
Prof. BANU MANAV
Kadir Has University, Turkey
Dr Francesco Sommese
University of Naples Federico II, italy
Featured Articles from Past Issues
RESEARCH ARTICLE
Solar Angle Model for Daylight Redirection in Prismatic Panel
An advanced complex fenestration system can utilize uniform daylight. Nonetheless, an inefficient design would increase solar heat gain and indoor temperatures, besides uneven light distribution that would cause the "cave effect.
Journal of Daylighting 9 (2022) 257-265
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
An Approach to Determine Specific Targets of Daylighting Metrics and
This study comes from an integrated approach combining daylighting and thermal aspects of building spaces. Several room configurations derived from the combination of four main design variables are tested.
Journal of Daylighting 8 (2021) 1-19
RESEARCH ARTICLE
Development of Two-Step Biomimetic Design and Evaluation Framework for
Climate change, increase in CO2 production and energy consumption are major global issues and the building, environmental and construction sector is contributing to the increasing concern day by day.
Journal of Daylighting 9 (2022) 13-27
RESEARCH ARTICLE
Daylight utilization with light pipe in farm animal production: a
Light pipes, which are complex optical systems, offer a passive way to bring daylight to deep buildings, such as agricultural buildings. However, the lack of reliable performance predictability methods for light pipes represents a major obstacle preventing their widespread use.
Journal of Daylighting 3 (2016) 1-11
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
Experimental Investigation of Overall Energy Performance in Algerian Office Building
Building integrated photovoltaic (BIPV) energy has now become one of the most significant renewable energy alternatives for providing natural daylight and clean energy.
Journal of Daylighting 6 (2019) 23-41
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
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
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
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
Improving Natural and Artificial Lighting in Coastal Architecture Classrooms: Insights
This research examines the natural and artificial lighting performance comparison in an architecture classroom at a university in southern Thailand and gives principles for enhancing lighting design.
Journal of Daylighting 11 (2024) 23-38
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
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