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Journal of Daylighting

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Optimization of Daylighting Design Using Self-Shading Mechanism in Tropical School Classrooms with Bilateral Openings

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.

Atthaillah, Rizki A. Mangkuto, M. Donny Koerniawan, Jan L.M. Hensen, Brian Yuliarto
Research article | 13 August 2022

Impact of Different Shading Devices on Daylight Performance and Visual Comfort of A Four Opening Sides' Reading Room In Rasht

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. This study compares four different shading systems on all fronts of a reading room.

Banafsheh Dabaj, Morteza Rahbar, Bahereh Vojdani Fakhr
Research article | 30 June 2022

Daylighting Performance of Integrated Light Shelf with Horizontal Light Pipe System for Deep Plan High-Rise Office in Tropical Climate

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. Deep plan spaces in such buildings provide challenges to create a uniform daylight distribution across the room.

Christopher Heng Yii Sern, Louis Ting Kwang Liou, Sharifah Fairuz Syed Fadzil
Research article | 10 June 2022

Design and Simulation of a Circadian Lighting Control System Using Fuzzy Logic Controller for LED Lighting Technology

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.

Sivachandran R. Perumal, Faizal Baharum
Research article | 26 May 2022

An Investigation-Based Optimization Framework of Thermal Comfort Analysis in Underground Enclosed Spaces Affected by Multiple Parameters for Energy Performance in Tropics

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.

Research article | 13 May 2022

A Daylight Assessment on Visual and Nonvisual Effects of Light Shelves: A Human-centered Simulation-based Approach

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. Although several research papers have focused on their daylight performance, there is a lack of studies on the performance of light shelves on circadian rhythm.

Seyedeh Nazli Hosseini, Iman SheikhAnsari
Research article | 14 March 2022

Development of Two-Step Biomimetic Design and Evaluation Framework for Performance-Oriented Design of Multi-Functional Adaptable Building Envelopes

Climate change, increase in CO2 production and energy consumption are major global issues and the building, environmental and construction sector is contributing to the increasing concern day by day. Due to increasing demands to satisfy environmental, social, and economic requirements, designing efficient and sustainable buildings has become increasingly complex.

Salman Oukati Sadegh, Shawul Gulilat Haile, Ziyaolrahman Jamshidzehi
Research article | 26 February 2022


An Improvement to Calculation of Lighting Energy Requirement in the European Standard EN 15193:2007

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.

Meng Tian, Yuehong Su
Research article | 01 December 2014

A Novel Approach to Multi-Apertures and Multi-Aspects Ratio Light Pipe

Daylightophil architecture concept is one of the most significant ways to reduce the electrical load consumption in building sector. In deep-plan buildings, or windowless buildings, advanced light transmission systems are used to compensate lighting demands in high-performance architecture theory.

Ali Goharian, Mohammadjavad Mahdavinejad
Research article | 16 September 2020

Lighting to Enhance Wayfinding for Thai Elderly Adults in Nursing Homes

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. Three major studies were conducted. The first study aimed at exploring the effects of the lighting parameters in rooms in a nursing home environment, which were the opening type, luminaire type, lamp type, and the type of view-out on the wayfinding performance of Thai elderly people.

Nuanwan Tuaycharoen
Research article | 25 February 2020

Solar shading in low energy office buildings - design strategy and user perception

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.

Steinar Grynning, Nicola Lolli, Solvår Wågø, Birgit Risholt
Research article | 02 February 2017

Energy Saving Generated Through Automatic Lighting Control Systems According to the Estimation Method of the Standard EN 15193-1

The standard EN 15193-1:2017 “Energy performance of buildings - Energy requirements for lighting” introduced a detailed method to calculate the energy demand for lighting in buildings. The method contains a calculation of the daylight supply, which accounts for the impact of lighting control systems, both daylight-linked and occupancy-based. Th.

Valerio R.M. Lo Verso, Anna Pellegrino
Research article | 06 December 2019

No-Greenery Line and Greenery-View Factor, New Architectural Design Tools

The paper proposes a new tool for evaluation of the degree of visual contact with the outdoor greenery, the Greenery-View factor (GV), intended to be easy to grasp and simple to use. It starts with the construction of a No-greenery line (similar to the No-sky line) on the vertical section of the building with the neighbouring greenery included.

Barbara Szybinska Matusiak
Short Communication | 25 December 2020

Annual Performance Assessment of Complex Fenestration Systems in Sunny Climates Using Advanced Computer Simulations

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. Due to their double function of daylight redirection and solar protection, they are considered as a solution to mitigate the unfavorable effects due to the admission of direct sunlight in buildings located in prevailing sunny climates (risk of glare and overheating).

Chantal Basurto, Jérôme H. Kämpf, Jean-Louis Scartezzini
Research article | 09 October 2015

Optical Characteristic Investigation on an Underwater Adjustable Focus Solar Concentrator with Single-Layer Membrane

This paper presents an underwater adjustable focus solar concentrator, which is composed of a piece of transparent elastic membrane and a hollow cylindrical-like structure. The deformation characteristic of the membrane is simulated in this study. It is found that the membrane is deformed into a sphere under the action of pressure difference.

Shen Liang, Hongfei Zheng, Dandan Cui, Xinglong Ma
Research article | 13 December 2019

The Impact of Courtyard and Street Canyon Surroundings on Global Illuminance and Estimated UV Index in the Tropics

Exposing oneself to outdoor daylight in the morning can be healthy and harmful at the same time, due to the risk of ultraviolet exposure. The presence of surrounding buildings in the urban context may also influence the risk. This study aims to identify the impact of courtyard and street canyon surroundings of various size and heights on the peak time and values of global illuminances and ultraviolet index (UVI), for the case of a tropical city.

Rizki A. Mangkuto, Mochamad Donny Koerniawan, Beta Paramita
Research article | 24 August 2020

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.

Helmut F.O. Mueller
Research article | 04 September 2019

Optimization of Daylight Performance Based on Controllable Light-shelf Parameters using Genetic Algorithms in the Tropical Climate of Malaysia

This study aims to achieve a balance of daylight availability in the work-plane environments of a fully glazed facade integrated with a light shelf system using an optimization procedure that can assist architects with assessing the daylighting performance of numerous design alternatives, and build-up the optimized design.

Ali Ahmed Salem Bahdad, Sharifah Fairuz Syed Fadzil, Nooriati Taib
Research article | 20 June 2020

Exploring the Impact of Natural Light Exposure on Sleep of Healthy Older Adults: A Field Study

Studies among people with dementia demonstrated that the sleep quality and rhythm improves significantly when people are exposed to ambient bright light. Since almost half of the healthy older people also indicate to suffer from chronic sleep disorders, the question arises whether ambient bright light can be beneficial to healthy older people.

Mariëlle P. J. Aarts, Janny C. Stapel, Toine A. M. C. Schoutens, Joost van Hoof
Research article | 04 May 2018

Experimental Analysis of the Performance of Light Shelves in Different Geometrical Configurations Through the Scale Model Approach

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. Recently, numerous researchers have focused their attention on the performance of technological devices able to increase natural light availability in interior areas of buildings.

Paolo Zazzini, Alessandro Romano, Alessio Di Lorenzo, Valeria Portaluri, Alessandro Di Crescenzo
Research article | 03 March 2020

Experimental Investigation of Overall Energy Performance in Algerian Office Building Integrated Photovoltaic Window under Semi-Arid Climate

Building integrated photovoltaic (BIPV) energy has now become one of the most significant renewable energy alternatives for providing natural daylight and clean energy. As such, this study was conducted for the first time in Algeria to experimentally evaluate the BIPV window energy and lighting energy savings of a typical office building under the semi-arid climate condition.

Mesloub Abdelhakim, Mohd Zin Kandar, Yaik-Wah Lim
Research article | 09 June 2019

About the Journal

Journal of Daylighting is an international journal devoted to investigations of daylighting in buildings. It is the leading journal that publishes original research on all aspects of solar energy and lighting.

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ISSN: 2383-8701
Frequency: Bi-annual (2 issues/year) (articles published continuously throughout the year)
Year started: 2014
Time to Publication: 70 days
CiteScoreTM 2021: 2.6
SCImago Journal Rank (SJR) 2021: 0.33
Source Normalized Impact per Paper (SNIP) 2021: 1.06


Energy (miscellaneous): #23/34
Renewable Energy, Sustainability and the Environment: #133/215

33rd percentile
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Editorial Board

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

Associate Editor
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Prof Laura Bellia
University of Naples Federico II

Associate Editor
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Dr Boon Han Lim
Universiti Tunku Abdul Rahman

Associate Editor
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Dr Guiqiang Li
University of Science and Technology of China

Associate Editor
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Dr Yuehong Su
University of Nottingham

Associate Editor
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Dr Arsenio Barbón
University of Oviedo

Associate Editor
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Dr Susana Lagüela López
University of Vigo

Associate Editor
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Dr Fabio Peron
IUAV University of Venice

Associate Editor
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Dr Umberto Berardi
Ryerson University

Associate Editor
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Prof. Barbara Szybinska Matusiak

Associate Editor
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Dr. Peng XUE
Beijing University of Technology

Editorial Board Member
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Dr Osama Mohamed Omar
Beirut Arab University

Editorial Board Member
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Kadir Has University

Editorial Board Member
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Dr jian yao
Ningbo University

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Dr. Feride Şener Yılmaz

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Dr Marina Bonomolo
University of Palermo

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Dr Vincenzo Costanzo
University of Catania

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Dr Karam Mustafa Al-Obaidi
Sheffield Hallam University

Editorial Board Member
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Wei Wang
Southeast University

Editorial Board Member
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Dr Hui Shen
Texas A&M University-Kingsville

Editorial Board Member
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