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Journal 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 concentrator technology
    • Solar thermal
    • Solar energy applications
  • Buildings
    • Sustainable buildings
    • Energy efficient buildings
    • Building energy modeling
    • Building physics
    • Building envelopes
    • Indoor environment quality
  • Lighting
    • Daylighting
    • Artificial lighting
    • Lighting simulation
    • Lighting designs
    • Luminaires
    • Lighting metrology and light quality
    • Lighting control

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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

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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

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RESEARCH ARTICLE

Evaluation of the Visual Comfort and Daylight Performance of the

The daylight in classrooms is a crucial aspect that affects the quality of the learning environment and the overall performance of the students. Visual arts, such as painting, sculpture, carving, textile design and photography, require specific lighting conditions, which are different from the regular classroom standards.

Journal of Daylighting 10 (2023) 117-135

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RESEARCH ARTICLE

Design Optimization of the Skylight for Daylighting and Energy Performance

In terms of sustainable design, lateral windows and skylights are important. Daylighting has become a vital component in office buildings because it increases occupants' productivity, well-being, and energy savings via windows and skylights.

Journal of Daylighting 10 (2023) 72-86

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RESEARCH ARTICLE

The Architectural Design of Building Façade Models Related to

Lighting control integrated with daylighting is recognized as an important and useful strategy in energy efficient building design. One of the right factors to reduce energy consumption for artificial lighting during the day is the maximum utilization of sunlight.

Journal of Daylighting 10 (2023) 60-71

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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

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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

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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

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RESEARCH ARTICLE

Biomimicry as an Approach to Improve Daylighting Performance in Office

Biomimicry inspired architects to solve complex design problems and develop adaptive solutions for enhancing the environmental quality. Fields of inspiration include energy efficiency, natural ventilation, daylighting, and structural stability.

Journal of Daylighting 10 (2023) 1-16

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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

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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

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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

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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

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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

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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

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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

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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

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REVIEW ARTICLE

Daylight in Buildings and Visual Comfort Evaluation: the Advantages and

Exposure to daylight significantly affects the psychological well-being of occupants by diminishing headaches, eye tensions, or stress. Daylight penetration is a matter of collaboration between building façade and perimeter zones that can be controlled through façade design features. .

Journal of Daylighting 8 (2021) 181-203

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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

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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

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Editorial Board

Dr Paola Sansoni
CNR-INO, Italy

Dr Arsenio Barbón
University of Oviedo, Spain

Prof. Nabil Elminshawy
Port Said University, Egypt

Dr Canan Kandilli
Usak University, Turkey

Prof Hongfei Zheng
Beijing Institute of Technology, China

Prof. Lambros T. Doulos
National Technical University of Athens, 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 Susana Lagüela López
University of Vigo, Spain

Prof Laura Bellia
University of Naples Federico II, Italy

Prof. Yuehong Su
University of Nottingham, UK

Alp Tural
Virginia Tech, USA

Dr Hui Shen
Texas A&M University-Kingsville, USA

Dr Vincenzo Costanzo
University of Catania, Italy

Dr Seyed Morteza Hosseini
Aalborg University, Denmark

Dr. Francesca Fragliasso
University of Naples Federico II, Italy

Dr Osama Mohamed Omar
Beirut Arab University, Lebanon

Dr Hui Lv
Hubei University of Technology, China

Dr. Michele Rocca
University of Pisa, Italia

Dr Karam M. Al-Obaidi
Sheffield Hallam University, UK

Dr. Peng XUE
Beijing University of Technology, China

Wei Wang
Southeast University, 中国

Prof. BANU MANAV
Kadir Has University, Turkey

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REVIEW ARTICLE

A Review on Solar Concentrators with Multi-surface and Multi-

Solar concentrator always plays an important role in solar energy collection as it could enhance the energy density effectively. Various structures of solar concentrators have been researched in recent years, among which multi-surface (MS) and multi-element (ME) combinations are the two typical structures.

Journal of Daylighting 6 (2019) 80-96

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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

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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

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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

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RESEARCH ARTICLE

Solar shading in low energy office buildings - design strategy and

Moving towards passive house-level envelopes, zero-energy buildings, or zero-emission buildings, where the carbon footprints of the buildings are minimal, the performance of the transparent parts of the envelope is vital for ensuring a low energy demand and a desirable indoor environment.

Journal of Daylighting 4 (2017) 1-14

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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

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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

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RESEARCH ARTICLE

Towards New Design of Laser Cut Acrylic Panels for Windows

This paper builds upon existing research into laser cut panels and aims to find new design-patterns that would improve daylighting conditions of existing rooms when applying the laser-cut panels on vertical windows.

Journal of Daylighting 6 (2019) 1-10

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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

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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

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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

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RESEARCH ARTICLE

Parametric Analysis of Architectural Elements on Daylight, Visual Comfort, and

The quality of visual comfort has always been an essential element considering human comfort. Providing visual comfort in a living environment reduces the need for artificial lighting, which subsequently has a direct relationship with energy consumptions and its expenses.

Journal of Daylighting 7 (2020) 57-72

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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

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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

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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

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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

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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

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RESEARCH ARTICLE

Thermographic Mobile Mapping of Urban Environment for Lighting and Energy

The generation of 3D models of buildings has been proved as a useful procedure for multiple applications related to energy, from energy rehabilitation management to design of heating systems, analysis of solar contribution to both heating and lighting of buildings.

Journal of Daylighting 1 (2014) 8-15

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RESEARCH ARTICLE

An Improvement to Calculation of Lighting Energy Requirement in the

Daylighting has a recognized potential for electric energy savings when is used as a complement for artificial lighting. This study reviews the comprehensive calculation method for lighting energy requirement in non-residential buildings introduced by the European Standard EN 15193: 2007 and investigates its feasibility in China.

Journal of Daylighting 1 (2014) 16-28

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RESEARCH ARTICLE

Application of Different Circadian Lighting Metrics in a Health Residence

During the last three decades, various scientific researchers analysed the connection between natural elements and human life, both as far as well-being and productivity.

Journal of Daylighting 7 (2020) 13-24

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