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Universidade de São Paulo (USP). Instituto de Arquitetura e Urbanismo de São Carlos (IAU) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Kelen Almeida Dornelles graduated in Civil Engineering at Federal University of Santa Maria (UFSM), Brazil, in 2001. She received her Master degree in Civil Construction from Federal University of São Carlos (UFSCar) in 2004 and her PhD in Civil Engineering from State University of Campinas (UNICAMP) in 2008. She has been post-doc fellow of Architecture, Urbanism and Technology in 2012 (FAPESP) and 2014 (CNPq), and she is currently Assistant Professor of Civil Construction and Construction Technology at University of Sao Paulo (USP) in Sao Carlos, Brazil.She is member of the teaching board of the Post Graduation Program in Architecture and Urbanism from the Institute of Architecture and Urbanism (IAU) at USP in the field of Design, Innovation and Sustainability where she has been advisor of several Master students and she is lecturer of Architecture and Climate in the Built Environment.She is part of scientific boards of several national and international conferences, and has activities as referee of national and international journals. She is author of more than 50 papers including international and national refereed journals and conferences. She won seven academic awards and has been coordinating more than 10 research projects in Brazil.Her research interests cover two main directions: thermal performance of materials for building envelope, including thermo-physics characterization, and indoor-outdoor microclimate for environmental comfort and energy saving, with attention to strategies to mitigate urban heat island phenomenon. Under the framework of these two main themes, she investigates thermal-energy performance of different solutions for building envelope, new analysis methods for estimating the effect of innovative strategies; high albedo solutions for passive cooling and as mitigation strategy against urban heat island phenomenon; local climate boundary conditions affecting building thermal-energy behavior; indoor-outdoor microclimate analysis. (Source: Lattes Curriculum)
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The use of coatings with high solar reflectance for the built environment is an effective measure to contain warming in urban areas, a phenomenon related to climate change, which has been documented through a wide variety of studies. However, these surfaces are exposed to weathering conditions and the continuous deposition of particulate matter (PM) present in the atmosphere, as well as t…
Roofs are the building elements that receive most solar thermal energy and their coating materials are exposed to natural weathering, which cause particles deposition and atmospheric pollutants on their surfaces. In tropical climates, quick particulate matter deposition and microorganisms' growth are observed, which cause greater changes in the solar reflectance and absorptance properties…
The thermophysical characteristics of the building envelope play a crucial role in managing the thermal load from solar radiation. The use of low solar absorptance coatings is a significant alternative in reducing surface temperatures. In the realm of architectural paints, manufacturers are required to obtain color parameters for each paint produced, but determining solar absorptance is n…
(Only some records are available in English at this moment)
Reflective or cool materials have higher solar reflection, which causes less surface warming, as well as higher thermal emittance, which allows give out absorbed heat back into the atmosphere. At building level, the heat flow through the envelope decreases, which reduces indoor temperatures, as well as promotes user's better comfort conditions. Its wide implementation as coating for the b…
In countries like Brazil with intense and large availability of solar radiation all year long, solar heat gains by the building envelope are the main responsible for its thermal and energy performance, and for consequence the user's thermal comfort. The solar reflectance is the main factor with large influence on the envelope solar heat gains, a physical property associated to surface col…
The use of reflective coatings in the building envelope has effectively reduced solar heat gain, improving the thermal performance and comfort of buildings, especially in hot climates. However, natural weathering leads to surface degradation that affects their optical and thermal properties, thereby reducing the long-term effectiveness of these surfaces. This grant application (BEPE-DR), …
Much of the national research on cool materials analyzes the thermal and optical properties (mainly solar reflectance) of coatings from the market, leading to a lack of studies on the development of reflective materials, especially tiles. PhD research (FAPESP Grant #2022/09123-7) associated with this Research Internship Abroad (BEPE-DR) aim to fill that gap by producing and assessing a co…
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| 5 / 5 | Ongoing scholarships in Brazil |
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| 13 / 11 | All research grants and scholarships |
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