Convective Concrete: Additive Manufacturing to facilitate activation of thermal mass
This paper reports on the research-driven design process of an innovative thermal mass concept: Convective Concrete. The goal is to improve building energy efficiency and comfort levels by addressing some of the shortcomings of conventional building slabs with high thermal storage capacity. Such hea...
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| Vydané v: | Journal of facade design and engineering Ročník 5; číslo 1 |
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| Hlavní autori: | , , , , , |
| Médium: | Journal Article |
| Jazyk: | English |
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Stichting OpenAccess
01.01.2017
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| ISSN: | 2213-302X, 2213-3038 |
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| Abstract | This paper reports on the research-driven design process of an innovative thermal mass concept: Convective Concrete. The goal is to improve building energy efficiency and comfort levels by addressing some of the shortcomings of conventional building slabs with high thermal storage capacity. Such heavyweight constructions tend to have a slow response time and do not make effective use of the available thermal mass. Convective Concrete explores new ways of making more intelligent use of thermal mass in buildings. To accomplish this on-demand charging of thermal mass, a network of ducts and fans is embedded in the concrete wall element. This is done by developing customized formwork elements in combination with advanced concrete mixtures. To achieve an efficient airflow rate, the embedded lost formwork and the concrete itself function like a lung. The convection takes place with separate pipes on both sides of the concrete’s core to increase the charge/discharge of the thermal storage process. The first stage of the research, described in this paper, is to simulate the Convective Concrete at the component level, whereupon a mock-up is tested in a climate test set-up. The paper concludes with describing planned activities for turning this concept into a real building product. |
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| AbstractList | This paper reports on the research-driven design process of an innovative thermal mass concept: Convective Concrete. The goal is to improve building energy efficiency and comfort levels by addressing some of the shortcomings of conventional building slabs with high thermal storage capacity. Such heavyweight constructions tend to have a slow response time and do not make effective use of the available thermal mass. Convective Concrete explores new ways of making more intelligent use of thermal mass in buildings. To accomplish this on-demand charging of thermal mass, a network of ducts and fans is embedded in the concrete wall element. This is done by developing customized formwork elements in combination with advanced concrete mixtures. To achieve an efficient airflow rate, the embedded lost formwork and the concrete itself function like a lung. The convection takes place with separate pipes on both sides of the concrete’s core to increase the charge/discharge of the thermal storage process. The first stage of the research, described in this paper, is to simulate the Convective Concrete at the component level, whereupon a mock-up is tested in a climate test set-up. The paper concludes with describing planned activities for turning this concept into a real building product. |
| Author | Marie L. de Klijn-Chevalerias Ulrich Knaack Dennis de Witte Gregor Zimmermann Roel C.G.M. Loonen Jan L.M. Hensen |
| Author_xml | – sequence: 1 fullname: Dennis de Witte organization: Design of Construction, Delft University of Technology Institute of Structural Mechanics and Design, Technical University Darmstadt – sequence: 2 fullname: Marie L. de Klijn-Chevalerias organization: Unit Building Physics and Services, Eindhoven University of Technology – sequence: 3 fullname: Roel C.G.M. Loonen organization: Unit Building Physics and Services, Eindhoven University of Technology – sequence: 4 fullname: Jan L.M. Hensen organization: Unit Building Physics and Services, Eindhoven University of Technology – sequence: 5 fullname: Ulrich Knaack organization: Design of Construction, Delft University of Technology Institute of Structural Mechanics and Design, Technical University Darmstadt – sequence: 6 fullname: Gregor Zimmermann organization: G.tecz engineering GmbH |
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| Title | Convective Concrete: Additive Manufacturing to facilitate activation of thermal mass |
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