The Daylight Award Community
Changying Xiang
PhD Research Fellow in the Faculty of Architecture and Design at NTNU
Daylight means a lot for me, it brings happy moods, warm feelings and positive energy, it makes buildings and cities vivid for people, it brings colours to all the things we perceived, it is a fundamental element for aesthetic and health.
— Changying Xiang
FEATURE
What does daylight mean to you?
Daylight means a lot for me, it brings happy moods, warm feelings and positive energy, it makes buildings and cities vivid for people, it brings colours to all the things we perceived, it is a fundamental element for aesthetic and health. It is also a key field of my research area, related to architecture research and healthy indoor climate.
How did your interest in the subject rise?
My interest in daylight rises from the exploration of healthy, sustainable buildings and cities, which are essential for people’s well-being. Architecture practice and research are strongly intertwined with daylight, both for indoor climate, exterior urban space design and people’s health.
How do you work with daylight in your research?
My main focuses of daylight in the research are daylight and colours, daylight and solar energy harvest with photovoltaics, interior daylight performance of sustainable buildings. I carry out experiments and simulations (e.g. with VELUX Daylight Visualizer) for daylight study.
Which project/publication describes your work the best?
Currently, the most representative publication of my work is a journal article published in the Journal Solar Energy. The article developed a novel architectural design strategy named ‘pixelization method’ to employ coloured photovoltaics panels in building façades, creating harmonious aesthetic presentations and also showing promising potential to harvest solar energy-converting daylight into electricity.
According to you, what is the most important focus for the future?
My future focus will still be on developing advanced architecture methods to support the carbon-neutral goals of society. In this frame, daylight will continuously be a key research topic for my research, for instance, I will address on advanced building envelopes that can provide high-quality interior daylight performance, high-efficiency of solar energy harvesting, and pleasing aesthetic performance.
Changying Xiang – Project
Who or what has inspired you?
Barbara Matusiak
The most influential person who inspired me in the field of daylight is my PhD supervisor Professor Barbara Matusiak in the Architecture and Technology department of the Norwegian University of Science and Technology (NTNU). Barbara is strongly involved in leading international research organizations and research projects related to daylight, like CIE, AIC, and IEA, etc. She is also the founder and leader of the Light and Colour Center in NTNU. Her professional performance and passion in daylight research and practices have strongly inspired me and provided me with enthusiasm for advanced daylight research.
There are also many buildings that inspired me, for instance, the church Enghøj Kirke designed by Henning Larsens in Denmark, and the Notre-Dame du Haut designed by architect Le Corbusier. Both of them are masterpieces of using daylight to create amazing interior atmosphere. The arrangement of daylight and colour are essential in architecture design, and for me, daylight and colour are basic and most essential architectural languages.
Links to publications
Xiang, Changying; Matusiak, Barbara Szybinska; Røyset, Arne Karstein; Kolås, Tore. (2021) Pixelization approach for façade integrated coloured photovoltaics-with architectural proposals in city context of Trondheim, Norway. Solar Energy. vol. 224.
https://www.sciencedirect.com/science/article/pii/S0038092X21005636?via%3Dihub
Xiang, Changying; Green, Philip John; Matusiak, Barbara Szybinska. (2021) The impact of surface properties on photovoltaics’ colour angular sensitivity: A comparison study for façade integration. Color Research and Application. vol. 46 (3).
https://onlinelibrary.wiley.com/doi/10.1002/col.22639
Xiang, Changying; Matusiak, Barbara Szybinska. (2019) Facade Integrated Photovoltaic, state of the art of Experimental Methodology. IOP Conference Series: Earth and Environmental Science (EES). vol. 352 (1).
https://iopscience.iop.org/article/10.1088/1755-1315/352/1/012062
Xiang, Changying; Matusiak, Barbara Szybinska. (2021) A State of the Art of Design Criteria for Façade Integrated Photovoltaics. European PV Solar Energy Conference and Exhibition 2021 ; 2021-09-06 – 2021-09-10.
https://www.eupvsec-proceedings.com/proceedings?paper=50648
Xiang, Changying; Moscoso Paredes, Claudia Trinidad; Matusiak, Barbara Szybinska. (2021) Aesthetic Evaluation Criteria for Façade Integrated Photovoltaics in Urban Context. European PV Solar Energy Conference and Exhibition 2021 . EU PVSEC; Digital. 2021-09-06 – 2021-09-10.
https://www.eupvsec-proceedings.com/proceedings?paper=50647
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