Header - Solarlits

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

    SUBMIT NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

Join our Editorial Board

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

Editorial Board

Dr Canan Kandilli
Usak University, Turkey

Dr Boon Han Lim
Universiti Tunku Abdul Rahman, Malaysia

Prof Laura Bellia
University of Naples Federico II, Italy

Prof Hongfei Zheng
Beijing Institute of Technology, China

Dr Arsenio Barbón
University of Oviedo, Spain

Prof. Lambros T. Doulos
Hellenic Open University, Greece

Dr Umberto Berardi
Ryerson University, canada

Prof. Nabil Elminshawy
Port Said University, Egypt

Prof. Yuehong Su
University of Nottingham, UK

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

Dr Guiqiang Li
University of Science and Technology of China, China

Dr Fabio Peron
IUAV University of Venice, Italy

Prof Francesco Asdrubali
University of Perugia, Italy

Prof. Antonio Manuel Peña García
University of Granada, Spain

Dr Rizki A. Mangkuto
Institut Teknologi Bandung, Indonesia

Dr. Francesco Nocera
Department of Civil Engineering and Architecture, University of Catania (ITALY), Italy

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

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

Dr Hui Lv
Hubei University of Technology, China

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

Prof. BANU MANAV
Kadir Has University, Turkey

Dr Mohammed Salah Mayhoub
Al-Azhar University, Egypt

Dr. Michele Rocca
University of Pisa, Italia

Wei Wang
Southeast University, 中国

Dr Marina Bonomolo
University of Palermo, Italia

Dr. Peng XUE
Beijing University of Technology, China

Dr. Feride Şener Yılmaz
Istanbul Technical University, Turkey

Dr Osama Mohamed Omar
Beirut Arab University, Lebanon

Dr Francesco Sommese
University of Naples Federico II, italy

VIEW ALL

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

RESEARCH ARTICLE

Optimal Window to Wall Ratio Ranges of Photovoltachromic Windows in

Windows are one of the weakest building components concerning high thermal losses. Traditional windows cannot adapt to external and internal environmental conditions.

Journal of Daylighting 8 (2021) 134-148

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

RESEARCH ARTICLE

Optimum Glazing Configurations for Visual Performance in Algerian Classrooms under

Daylight quality and quantity in Algerian schools show serious problems in ensuring visual comfort of students and teachers. Some problems are due to window design, which leads to excessive amount of sunlight penetration into the classrooms.

Journal of Daylighting 6 (2019) 11-22

READ NOW

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

READ NOW

RESEARCH ARTICLE

Annual Performance Assessment of Complex Fenestration Systems in Sunny Climates

Complex Fenestration Systems (CFS) are advanced daylighting systems that are placed on the upper part of a window to improve the indoor daylight distribution within rooms.

Journal of Daylighting 2 (2015) 32-43

READ NOW

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

READ NOW

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

READ NOW

RESEARCH ARTICLE

Comparative Study on Computer Simulation of Solar Shading Performance with

Current technological advancement and the requirement for sustainability-driven practices has birthed increased demands for accuracy in performance and assessment of energy consumption in the built environment.

Journal of Daylighting 8 (2021) 50-64

READ NOW

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

READ NOW

RESEARCH ARTICLE

Design of a Multi-Surface Solar Concentrator

A multi-surface solar concentrator is proposed in this study. The concentrator is designed by improving the light receiving rate of a parabola when the incident angle changes within 0°~20° by adding involute, shifting the involute up, and changing the shape of the parabolic top. .

Journal of Daylighting 6 (2019) 176-186

READ NOW

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

READ NOW

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

READ NOW

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

READ NOW

RESEARCH ARTICLE

A Methodology to Link the Internal Heat Gains from Lighting

This paper critically discusses the procedure prescribed by the Italian Technical Standards to account for the internal gains in the calculation of the energy performance indices for a building.

Journal of Daylighting 1 (2014) 56-67

READ NOW