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. Nabil Elminshawy
Port Said University, Egypt
Dr Arsenio Barbón
University of Oviedo, Spain
Dr Susana Lagüela López
University of Vigo, Spain
Dr. Kacem Gairaa
center for renewable energy development, Algeria
Dr Paola Sansoni
CNR-INO, Italy
Dr Fabio Peron
IUAV University of Venice, Italy
Prof. Önder Güler
Istanbul Technical University, Türkiye
Dr Guiqiang Li
University of Science and Technology of China, China
Prof. Yuehong Su
University of Nottingham, UK
Prof Laura Bellia
University of Naples Federico II, Italy
Dr Canan Kandilli
Usak University, Turkey
Prof Umberto Berardi
Politecnico di Bari, Italy
Prof. Lambros T. Doulos
Hellenic Open University, Greece
Dr Valerio Roberto Maria LO VERSO
Politecnico di Torino (Polytechnic University of Turin), Italy
Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia
Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt
Dr Marina Bonomolo
University of Palermo, Italia
Dr. Michele Rocca
University of Pisa, Italia
Prof. Faris Ali Mustafa
Salahaddin University - Erbil, Iraq
Dr Rizki A. Mangkuto
Institut Teknologi Bandung, Indonesia
Dr Paula M. Esquivias
University of Granada, Spain
Dr. Ali Ahmed Salem Bahdad
University of Prince Mugrin (UPM), Saudi Arabia
Dr Seyed Morteza Hosseini
Aalborg University, Denmark
Dr Petar Pejic
University of Niš, Serbia
Dr Karam M. Al-Obaidi
Sheffield Hallam University, UK
Dr. Francesca Fragliasso
University of Naples Federico II, Italy
Dr. Feride Şener Yılmaz
Istanbul Technical University, Turkey
Dr Francesco Sommese
University of Naples Federico II, italy
Omid Nematollahi
Isfahan University of Technology, South Korea
Dr jian yao
Ningbo University, China
Featured Articles from Past Issues
RESEARCH ARTICLE
Automatic vs Manual Control Strategy for Window Blinds and Ceiling
A case study to evaluate the occupants' satisfaction in relation to two different control strategies (fully automatic and manual) for blind and ceiling lights use in cell offices was carried on in Trondheim, Norway.
Journal of Daylighting 6 (2019) 112-123
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
Solar Energy Gain and Space-Heating Energy Supply Analyses for
A considerable effort is devoted to devising retrofit solutions for reducing space-heating energy in the domestic sector. Existing UK solid-wall dwellings, which have both heritage values and historic fabric, are being improved but yet they tend to have meagre thermal performance, partly, due to the heat-loss through glazings.
Journal of Daylighting 4 (2017) 15-25
RESEARCH ARTICLE
Electrochromic Glazing and Evaluation of Visual and Non-Visual Effects
The employment of electrochromic glazing can be a solution to balance circadian lighting and avoid glare. This can be achieved by controlling daylight entering the room and may be useful within the context of highly glazed facades in buildings in hot climates.
Journal of Daylighting 11 (2024) 1-22
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
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
Development of a Machine-Learning Framework for Overall Daylight and
Application of machine learning methods as an alternative for building simulation software has been progressive in recent years. This research is mainly focused on the assessment of machine learning algorithms in prediction of daylight and visual comfort metrics in the early design stages and providing a framework for the required analyses.
Journal of Daylighting 8 (2021) 270-283
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
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
Phasor Method to Estimate Illuminances Due to Parallel Arrays of
Direct horizontal illuminance along a calculation row due to two parallel arrays of large numbers of identical light sources behaves like a periodic signal with a sinusoidal pattern, which contains useful information for design purpose.
Journal of Daylighting 7 (2020) 246-257
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
Impact of Building Typology on Daylight Optimization Using Building Information
Daylight represents one of the crucial factors that affect directly on the building performance and its occupants. This study assesses the daylight performance in the multi-storey residential buildings (apartments) in Erbil city.
Journal of Daylighting 6 (2019) 187-201
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
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