HOMEJournal of Daylighting
Journal of Daylighting is a peer-reviewed international journal devoted to investigations of daylighting in buildings. It is the leading journal that publishes original research on all aspects of solar energy, buildings, and lighting. Areas of special interest for this journal include, but are not limited to, the following:
- Solar energy
- Photovoltaic cells and systems
- Building-integrated photovoltaics
- Solar thermal
- Energy systems
- Energy storage and applications
- Artificial intelligence in energy systems
- Buildings
- Architectural/Building engineering
- Smart buildings
- Building energy modeling
- Building physics
- Building envelopes
- Indoor environment quality
- Lighting
- Daylighting
- Artificial lighting
- Lighting simulation
- Lighting designs
- Illumination optics
- Luminaires
- Lighting metrology and light quality
- Lighting control
Abstracting & Indexing
Scopus (Elsevier)
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Directory of Open Access Journals (DOAJ)
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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
RESEARCH ARTICLE
Investigation of Ventilation Performance to Improve the Indoor Air Quality
Indoor Air Quality (IAQ) is a significant health determinant in the building environment. Ventilation plays a significant role in providing comfortable working conditions and securing contaminant removal from indoor spaces.
Journal of Daylighting 11 (2024) 39-54
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
The Significance of Aperture Proportion for the Lighting Behaviour and
Traditional solar screens in Iran (called Moshabak) are architectural devices used mainly in hot-arid regions, with two interrelated functions: controlling the penetration of sunlight and gaze from outside.
Journal of Daylighting 9 (2022) 242-256
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
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
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
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
Daylight Performance of the Modified Double Light Pipe (MDLP) Through
This paper focuses on the Modified Double Light Pipe (MDLP), an innovative daylighting system set up by the authors in the Laboratory of Technical Physics of the University “G. .
Journal of Daylighting 9 (2022) 164-176
REVIEW ARTICLE
Alerting Effect of Light: A Review of Daytime Studies
Light affects humans beyond only image formation. Several studies have reported that light can increase daytime alertness and can therefore be positively utilized to counter daytime fatigue and increase productivity in workspaces.
Journal of Daylighting 9 (2022) 150-163
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
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
Impact of Different Shading Devices on Daylight Performance and Visual
Daylighting has become an essential feature in libraries since it can boost productivity, well-being, and energy savings. It is crucial to prevent discomfort glare irritation while maintaining the quality of view, and daylight demands.
Journal of Daylighting 9 (2022) 97-116
RESEARCH ARTICLE
Daylighting Performance of Integrated Light Shelf with Horizontal Light Pipe
Tropical countries such as Malaysia receives a significant amount of daylight. The utilisation of this renewable resource in a high-rise office building leads to opportunities and challenges.
Journal of Daylighting 9 (2022) 83-96
RESEARCH ARTICLE
Design and Simulation of a Circadian Lighting Control System Using
This paper introduces a fuzzy logic-based circadian lighting control system using flexibility of Light-Emitting Diode (LED) lighting technology to synchronise artificial lighting with circadian (natural) lighting Correlated Colour Temperature (CCT) characteristics.
Journal of Daylighting 9 (2022) 64-82
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 Daylight Assessment on Visual and Nonvisual Effects of Light
The contribution of daylight to a comfortable environment for occupants has been the subject of studies for years. Light shelves are known as daylight redirecting systems to enhance indoor daylight conditions.
Journal of Daylighting 9 (2022) 28-47
Join our Editorial Board
Applications should be sent electronically at jd@solarlits.com.
Editorial Board
Dr Ferdinando Salata
University of Rome, Italy
Prof Hongfei Zheng
Beijing Institute of Technology, China
Dr Guiqiang Li
University of Science and Technology of China, China
Prof. Lambros T. Doulos
Hellenic Open University, Greece
Dr Paola Sansoni
CNR-INO, Italy
Dr Valerio Roberto Maria Lo Verso
Politecnico di Torino (Polytechnic University of Turin), Italy
Prof Laura Bellia
University of Naples Federico II, Italy
Dr Arsenio Barbón
University of Oviedo, Spain
Dr Fabio Peron
IUAV University of Venice, Italy
Dr Susana Lagüela López
University of Vigo, Spain
Dr Canan Kandilli
Usak University, Turkey
Prof. Nabil Elminshawy
Port Said University, Egypt
Prof. Yuehong Su
University of Nottingham, UK
Prof. Önder Güler
Istanbul Technical University, Türkiye
Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia
Omid Nematollahi
Isfahan University of Technology, South Korea
Dr Francesco Sommese
University of Naples Federico II, italy
Wei Wang
Southeast University, 中国
Dr. Michele Rocca
University of Pisa, Italia
Dr Hui Shen
Texas A&M University-Kingsville, USA
Dr Vincenzo Costanzo
University of Catania, Italy
Dr Rizki A. Mangkuto
Institut Teknologi Bandung, Indonesia
Dr jian yao
Ningbo University, China
Dr Osama Mohamed Omar
Beirut Arab University, Lebanon
Prof. BANU MANAV
Kadir Has University, Turkey
Dr. Francesco Nocera
Department of Civil Engineering and Architecture, University of Catania (ITALY), Italy
Dr Ahmed A. Y. Freewan
Jordan University of Science and Technology, Jordan
Dr Seyed Morteza Hosseini
Aalborg University, Denmark
Dr. Peng XUE
Beijing University of Technology, China
Dr Karam M. Al-Obaidi
Sheffield Hallam University, UK
RESEARCH ARTICLE
A Novel Approach to Multi-Apertures and Multi-Aspects Ratio
Daylightophil architecture concept is one of the most significant ways to reduce the electrical load consumption in building sector. In deep-plan buildings, or windowless buildings, advanced light transmission systems are used to compensate lighting demands in high-performance architecture theory.
Journal of Daylighting 7 (2020) 186-200
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
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
The Impact of Courtyard and Street Canyon Surroundings on Global
Exposing oneself to outdoor daylight in the morning can be healthy and harmful at the same time, due to the risk of ultraviolet exposure. The presence of surrounding buildings in the urban context may also influence the risk.
Journal of Daylighting 7 (2020) 167-185
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
A First Approach to a New Index on Indoor Lighting
In this study, the conditions of visual comfort were assessed in an indoor environment intended for students. For this reason, a transversal field survey was carried out in two libraries, one at the Sapienza University of Rome (Italy) and another at the University of Granada (Spain).
Journal of Daylighting 6 (2019) 124-130
RESEARCH ARTICLE
Daylight Distribution Improvement Using Automated Prismatic Louvre
Louvre is a common type of shading devices and has been increasingly used in office buildings. Meanwhile, some reflective types of louvre have been used to provide shade and to redirect daylight deep into buildings interior simultaneously.
Journal of Daylighting 7 (2020) 84-92
RESEARCH ARTICLE
Quantitative Investigation Through Climate-based Daylight Metrics of Visual Comfort
There are several alternatives to passive strategies in the early stages of the design process including orientation, window to wall ratio, shading device, material and colour that affect occupants’ visual comfort. .
Journal of Daylighting 5 (2018) 21-33
RESEARCH ARTICLE
Effect of window glazing on colour quality of transmitted daylight
In this study, the colour quality of the daylight transmitted through different window glazing types is evaluated. The analysis considered four different types of window glazing: laminated, monolithic, coated and applied film glazing ranging in luminous transmittance from around 0.
Journal of Daylighting 4 (2017) 37-47
RESEARCH ARTICLE
An Intelligent IoT-enabled Lighting System for Energy-efficient Crop
In this paper, an intelligent lighting instrumentation and automation system is presented with the objective of achieving high energy-efficiency in greenhouse supplemental lighting based on the Internet of Things (IoT) technology.
Journal of Daylighting 8 (2021) 86-99
RESEARCH ARTICLE
Heliostats Daylighting System for Multi-floor Buildings
Daylighting has been considered as a major part of sustainable buildings for saving electric lighting and providing benefits such as, health, visual comfort, and productivity of the occupants.
Journal of Daylighting 2019 (2019) 202-209
RESEARCH ARTICLE
Optimum Characteristics of Windows in an Office Building in Isfahan
Nowadays, the use of renewable energies has increased due to the energy crisis and subsequent environmental issues. The window design significantly affects energy consumption and natural light absorption regarding preventing visual discomfort and improving indoor quality with effective external features.
Journal of Daylighting 8 (2021) 222-238
RESEARCH ARTICLE
Appraisal of the visual environment in an industrial factory: a
The physiological and psychological benefits of daylighting for office occupants have been well explored. Current research usually focuses on visual comfort in office buildings.
Journal of Daylighting 3 (2016) 12-26
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
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
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
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
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
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
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
A Field-validated Multi-objective Optimization of the Shape and
This study aims to determine the optimum size of windows based on the window-to-floor ratio (WFR) for the main cardinal directions in Hot-summer Mediterranean (Csa) and Dry Summer Continental (Dsa) climates (Köppen–Geiger classification system) by carrying out a multi-objective optimization that relies on three dynamic metrics of Useful Daylight Illuminance (UDI-a (autonomous)), Daylight Autonomy (DA), and Annual Sunlight Exposure (ASE1000,250) in Radiance version 5.1..
Journal of Daylighting 7 (2020) 222-237
RESEARCH ARTICLE
The Effect of Fixed External Shading Devices on Daylighting and
Building shading devices can improve the thermal comfort in indoor environment, and also reduce cooling and heating energy consumption in dry and hot climate.
Journal of Daylighting 8 (2021) 165-180
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
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