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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 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
    • Luminaires
    • Lighting metrology and light quality
    • Lighting control
    • Optical sensors

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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

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

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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

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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

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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

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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

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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

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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

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RESEARCH ARTICLE

Unfolding 3D Space into Binary Images for Daylight Simulation via

Daylighting plays a crucial role in building science, impacting both occupants’ well-being and energy consumption in buildings. Balancing the size of openings with energy efficiency has long been a challenge. .

Journal of Daylighting 10 (2023) 204-2013

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RESEARCH ARTICLE

Integrative Lighting Design: How to Optimize Visual and Non-visual

The objective of this paper is to outline fundamental principles for the electric lighting design of workplace environments such as offices. The study considers both the suggested guidelines and values for non-visual light design and the specifications for visual tasks dictated by the EN 12464-1:2021.

Journal of Daylighting 10 (2023) 192-203

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RESEARCH ARTICLE

The Effect of Parametric Patterned Façade Variations on Daylight

Parametric design influences on building envelope design are exponentially increasing in the current era due to the dominance of computational design on architectural outcomes.

Journal of Daylighting 10 (2023) 173-191

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RESEARCH ARTICLE

Analysing the Daylighting Performance of the Main Prayer-hall in

This paper studies the daylighting quality of the indoor prayer-hall in The Great Upper Mosque of Hama city in Syria, highlighting this distinctive historical converted building that has been functioning as a mosque since the entry of Islam in the 6th century AD.

Journal of Daylighting 10 (2023) 153-172

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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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Editorial Board

Prof. Lambros T. Doulos
Hellenic Open University, Greece

Dr Arsenio Barbón
University of Oviedo, Spain

Dr Umberto Berardi
Ryerson University, canada

Dr Ferdinando Salata
University of Rome, Italy

Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia

Prof. Yuehong Su
University of Nottingham, UK

Prof. Antonio Manuel Peña García
University of Granada, Spain

Dr Fabio Peron
IUAV University of Venice, Italy

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

Prof Hongfei Zheng
Beijing Institute of Technology, China

Prof Francesco Asdrubali
University of Perugia, Italy

Prof. Önder Güler
Istanbul Technical University, Türkiye

Dr Canan Kandilli
Usak University, Turkey

Dr Susana Lagüela López
University of Vigo, Spain

Prof Laura Bellia
University of Naples Federico II, Italy

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

Dr Vincenzo Costanzo
University of Catania, Italy

Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt

Alp Tural
Virginia Tech, USA

Dr Seyed Morteza Hosseini
Aalborg University, Denmark

Dr Rizki A. Mangkuto
Institut Teknologi Bandung, Indonesia

Dr Paula M. Esquivias
University of Granada, Spain

Dr Francesco Sommese
University of Naples Federico II, italy

Dr Hui Lv
Hubei University of Technology, China

Dr. Francesca Fragliasso
University of Naples Federico II, Italy

Dr Marina Bonomolo
University of Palermo, Italia

Dr Petar Pejic
University of Niš, Serbia

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

Wei Wang
Southeast University, 中国

Dr. Feride Şener Yılmaz
Istanbul Technical University, Turkey

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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

Economic and Energy Efficiency of Artificial Lighting Control Systems for

The aim of the research is to determine the economic and energy efficiency usage of the artificial lighting control systems, with the help of astronomical relays and motion sensors, by various types of light sources for the stairwells (stair landings and staircases) of multistory residential buildings.

Journal of Daylighting 7 (2020) 93-106

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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

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

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

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RESEARCH ARTICLE

Improvement of Optical Performances Using the Hybrid CPV

Hybrid Concentrated Photovoltaics (HCPVs) are systems in which additional low-cost silicone solar cells are added to take advantage of the power generated by the diffuse radiation lost when using only multi-junction cells that work only with direct radiation.

Journal of Daylighting 7 (2020) 238-245

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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

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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

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RESEARCH ARTICLE

Biomimetic Kinetic Shading Facade Inspired by Tree Morphology for Improving

Many recent studies in the field of the kinetic façade developed the grid-based modular forms through primary kinetic movements which are restricted in the simple shapes..

Journal of Daylighting 8 (2021) 65-85

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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

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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

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

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

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

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

Optical Analysis of a New Solar Distiller with Cylindrical Surface

In this paper, a new solar distiller floating on ocean with cylindrical surface concentrator and vertical gap evaporator is proposed for solving the problem of freshwater shortage in islands.

Journal of Daylighting 8 (2021) 100-109

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RESEARCH ARTICLE

Exploring the Impact of Natural Light Exposure on Sleep of

Studies among people with dementia demonstrated that the sleep quality and rhythm improves significantly when people are exposed to ambient bright light.

Journal of Daylighting 5 (2018) 14-20

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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

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

Simulation of Daylighting Conditions in a Virtual Underground City

From the Piranesi fantastic architectures to the animation movies and video games of the last thirty years, a new design approach has been introduced and developed: the design of the virtual space.

Journal of Daylighting 2 (2015) 1-11

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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

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

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RESEARCH ARTICLE

Outdoor Investigation of High Concentrator Photovoltaic Under Uniform and Non-

This study was performed in outdoor conditions to quantify the level of influence on the electrical performance of the Multi-junction (MJ) solar cells.

Journal of Daylighting 7 (2020) 1-12

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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

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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