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Dokumenttyp: Buchkapitel
Titel: Prognosis Method For The Energy Demand Of Nearly-zero-energy Buildings In Different Climates
Autor*in: Dietrich, Udo 
Kiehl, Franz
Stoica, Liana
Quellenangabe: Eco-Architecture IV : Harmonisation between Architecture and Nature
Erscheinungsdatum: 2014
Freie Schlagwörter: nearly-zero-energy building; renewable energy systems; thermal building simulation; different climates; office building; building design rules
Zusammenfassung: 
The European Directive 2010/31 claims that from 2020 on, only (nearly-) zero-energy buildings may be built. To reach this, buildings have to be optimised energetically. The remaining energy demand has to be covered by renewable energy sources (PV, geothermal etc.) gained nearby, e.g. on site. Comparable predefined plot and office building sizes are investigated for all main climate zones around the globe. Each case study leads to a different energy demand, even though, the same energy generation systems have been applied being PV for power and geothermal energy for heating and cooling. The analysis investigates first, whether the limiting factor to reach a nearly-zero-energy building is in the PV or the geothermal system. Furthermore, in all case studies, the balance between the usable floor area and the surface area for renewable energy sources (roof surface area for PV, plot size for geothermal) is investigated. From this, the maximum numbers of storeys (which can be heated/ cooled) are given per location. Furthermore, consequences for the urban pattern of nearly-zero-energy buildings (like street width and building heights) are highlighted. The main outcome is a correlation between simulated data for the energy demand and climate data. If the architectural optimization follows the local climatic needs, linear equations appear between the simulated energy demand and the climate data for a scenario of optimised buildings. The equations for annual heating or cooling demand and heating or cooling degree hours are given.
Sachgruppe (DDC): 333.7: Natürliche Ressourcen, Energie und Umwelt
HCU-Fachgebiet / Studiengang: Bauphysik 
Seite von: 485
Seite bis: 496
Verlag: WIT Press
Teil der Schriftenreihe: WIT Transactions on The Built Environment 
Bandangabe: 142
ISBN: 978-1-84564-822-0
978-1-84564-823-7
Verlagslink (DOI): 10.2495/ARC140411
URN (Zitierlink): urn:nbn:de:gbv:1373-repos-10511
Direktlink: https://repos.hcu-hamburg.de/handle/hcu/824
Sprache: Englisch
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