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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 Energy, buildings, and lighting. Areas of special interest for this journal include, but are not limited to, the following:

    • Energy
      • Energy sources
      • Energy systems
      • Energy-efficient technologies
      • Energy and environment
      • Energy storage
      • Artificial intelligence in energy systems
      • Photovoltaic cells and systems
      • Building-integrated photovoltaics
      • Solar thermal
      • Solar energy applications
    • Buildings
      • Architectural/Building engineering
      • Smart buildings
      • Building energy modeling
      • Building physics
      • Building envelopes
      • Indoor environment quality
    • Lighting
      • Illumination optics
      • Daylighting
      • Artificial lighting
      • Lighting simulation
      • Lighting designs
      • Luminaires
      • Lighting metrology and light quality
      • Lighting control

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RESEARCH ARTICLE

Optimum Geometry of Double-skin Self-Shading Facade of Classrooms

The significant energy consumption in educational spaces worldwide and its environmental impact greatly influence the quality of space, learning levels, and student comfort.

Journal of Daylighting 11 (2024) 372-389

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RESEARCH ARTICLE

Parametric Optimization Approach to Evaluate Dynamic Shading Within Double-Skin

This research aims to support the choice of an appropriate dynamic louver shading system (DL-SS) within double-skin facade insulated glazed units (DSF-IGUs) as a high-performance integrated window system (DSF-IGUs/DL-SS) that meets both thermal and energy performance via daylight availability under a tropical climate.

Journal of Daylighting 11 (2024) 349-371

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RESEARCH ARTICLE

Artificial Neural Network to Predict Curvature Light Shelf Design Related

Energy Optimization in building design field now has been revolutionized due to AI and machine learning applications. Leveraging daylight to reduce artificial lighting consumption holds promise for significant energy savings, yet the nonlinear nature of daylight patterns poses challenges in prediction and optimization.

Journal of Daylighting 11 (2024) 334-348

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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

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RESEARCH ARTICLE

Analyzing Passive Design Retrofits using Pareto Front Optimization to Reduce

Buildings are one of the leading sources of carbon emissions in the world. Most of the carbon emissions are released during the operation phase of the building.

Journal of Daylighting 11 (2024) 290-311

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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Join our Editorial Board

Applications should be sent electronically at jd@solarlits.com.

Editorial Board

Dr Arsenio Barbón
University of Oviedo, Spain

Prof Hongfei Zheng
Beijing Institute of Technology, China

Prof. Önder Güler
Istanbul Technical University, Türkiye

Dr Susana Lagüela López
University of Vigo, Spain

Prof. Antonio Manuel Peña García
University of Granada, Spain

Prof. Nabil Elminshawy
Port Said University, Egypt

Dr Fabio Peron
IUAV University of Venice, Italy

Dr Valerio Roberto Maria Lo Verso
Politecnico di Torino (Polytechnic University of Turin), Italy

Dr Ferdinando Salata
University of Rome, Italy

Prof Francesco Asdrubali
University of Perugia, Italy

Prof. Yuehong Su
University of Nottingham, UK

Dr Canan Kandilli
Usak University, Turkey

Prof. Lambros T. Doulos
Hellenic Open University, Greece

Dr Umberto Berardi
Ryerson University, canada

Dr. Francesca Fragliasso
University of Naples Federico II, Italy

Dr Francesco Sommese
University of Naples Federico II, italy

Dr Ahmed A. Y. Freewan
Jordan University of Science and Technology, Jordan

Prof Jitka Mohelnikova
Brno University of Technology, Czech Republic

Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt

Dr Petar Pejic
University of Niš, Serbia

Dr Doris Abigail Chi Pool
Universidad de las Américas Puebla, Mexico

Dr Osama Mohamed Omar
Beirut Arab University, Lebanon

Omid Nematollahi
Isfahan University of Technology, South Korea

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

Dr Hui Lv
Hubei University of Technology, China

Dr. Peng XUE
Beijing University of Technology, China

Dr Seyed Morteza Hosseini
Aalborg University, Denmark

Prof. BANU MANAV
Kadir Has University, Turkey

Alp Tural
Virginia Tech, USA

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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

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RESEARCH ARTICLE

Development of Fresnel-based Concentrated Photovoltaic (CPV) System with Uniform

Different designs have been presented to achieve high concentration and uniformity for the concentrated photovoltaic (CPV) system. Most of the designs have issues of low efficiency in terms of irradiance uniformity.

Journal of Daylighting 1 (2014) 2-7

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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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RESEARCH ARTICLE

Acrylic Panels Applications as Building Materials and Daylighting Devices

Enormous studies have been conducted to enhance the daylighting utilization in buildings either by direct lighting techniques, lighting reflection systems, lighting transporting systems, or by light tracking systems.

Journal of Daylighting 7 (2020) 258-272

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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

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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

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

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

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

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

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RESEARCH ARTICLE

A Comprehensive Evaluation of Perforated Façades for Daylighting and

New design tools have enabled architects to explore complex geometries for building envelopes. Perforated Screens (PS) have gained popularity but their design is still intuitive, often focused on aesthetic and morphological criteria.

Journal of Daylighting 6 (2019) 97-111

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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

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

Lighting Energy Saving with Light Pipe in Farm Animal Production

The Swedish animal production sector has potential for saving electric lighting of €4-9 million per year using efficient daylight utilisation. To demonstrate this, two light pipe systems, Velux® (house 1) and Solatube® (house 2), are installed in two identical pig houses to determine if the required light intensity, daylight autonomy (DA), and reduced electricity use for illumination can be achieved. In.

Journal of Daylighting 2 (2015) 21-31

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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

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

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

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

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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

Power Factor Correction of Compact Fluorescent and Tubular LED Lamps

Compact Fluorescent Lamps (CFLs) and Light-emitting Diode (LED) lamps have received wide acceptance in lighting applications during the last few years.

Journal of Daylighting 7 (2020) 73-83

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RESEARCH ARTICLE

Daylighting as the Driving Force of the Design Process: from

This paper presents a study for the transformation of an industrial area in Turin, Italy. The area hosts two buildings (one of which appointed as listed) to be transformed into dwellings.

Journal of Daylighting 1 (2014) 36-55

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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

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

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

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

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