A new building model in urban climate simulation: Indoor climate, energy demand, and the interaction between buildings and the urban climate

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Authors

  • Jens Pfafferott
  • Sascha Rißmann
  • Björn Maronga
  • Matthias Sühring

External Research Organisations

  • Offenburg University
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Details

Original languageEnglish
Title of host publicationWINDSOR 2020
Subtitle of host publicationResilient Comfort, Proceedings
EditorsSusan Roaf, Fergus Nicol, William Finlayson
Pages47-52
Number of pages6
Publication statusPublished - 2020
Event11th Windsor Conference on Thermal Comfort: Resilient Comfort - Online, Online
Duration: 16 Apr 202019 Apr 2020

Abstract

There is a strong interaction between the urban and the building energy balance. The urban climate affects the heat transfer through exterior walls, the longwave heat transfer between the building surfaces and the surroundings, the shortwave solar heat gains and the heat transport by ventilation. Considering also the internal heat gains and the heat capacity of the building structure, the energy demand for heating and cooling and the indoor thermal environment can be calculated based on the urban climate. According to the building energy concept, the energy demand results in an (anthropogenic) waste heat, this is directly transferred to the urban environment. Furthermore, the indoor temperature is re-coupled via the building envelope to the urban environment and affects indirectly the urban climate with a time shifted and damped temperature fluctuation. We developed and implemented a holistic building model for the combined calculation of indoor climate and energy demand based on an analytic solution of Fourier's equation. The building model is integrated via an urban surface model into the urban climate model.

Keywords

    building simulation, urban climate

ASJC Scopus subject areas

Sustainable Development Goals

Cite this

A new building model in urban climate simulation: Indoor climate, energy demand, and the interaction between buildings and the urban climate. / Pfafferott, Jens; Rißmann, Sascha; Maronga, Björn et al.
WINDSOR 2020 : Resilient Comfort, Proceedings. ed. / Susan Roaf; Fergus Nicol; William Finlayson. 2020. p. 47-52.

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Pfafferott, J, Rißmann, S, Maronga, B & Sühring, M 2020, A new building model in urban climate simulation: Indoor climate, energy demand, and the interaction between buildings and the urban climate. in S Roaf, F Nicol & W Finlayson (eds), WINDSOR 2020 : Resilient Comfort, Proceedings. pp. 47-52, 11th Windsor Conference on Thermal Comfort, Online, 16 Apr 2020.
Pfafferott, J., Rißmann, S., Maronga, B., & Sühring, M. (2020). A new building model in urban climate simulation: Indoor climate, energy demand, and the interaction between buildings and the urban climate. In S. Roaf, F. Nicol, & W. Finlayson (Eds.), WINDSOR 2020 : Resilient Comfort, Proceedings (pp. 47-52)
Pfafferott J, Rißmann S, Maronga B, Sühring M. A new building model in urban climate simulation: Indoor climate, energy demand, and the interaction between buildings and the urban climate. In Roaf S, Nicol F, Finlayson W, editors, WINDSOR 2020 : Resilient Comfort, Proceedings. 2020. p. 47-52
Pfafferott, Jens ; Rißmann, Sascha ; Maronga, Björn et al. / A new building model in urban climate simulation : Indoor climate, energy demand, and the interaction between buildings and the urban climate. WINDSOR 2020 : Resilient Comfort, Proceedings. editor / Susan Roaf ; Fergus Nicol ; William Finlayson. 2020. pp. 47-52
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abstract = "There is a strong interaction between the urban and the building energy balance. The urban climate affects the heat transfer through exterior walls, the longwave heat transfer between the building surfaces and the surroundings, the shortwave solar heat gains and the heat transport by ventilation. Considering also the internal heat gains and the heat capacity of the building structure, the energy demand for heating and cooling and the indoor thermal environment can be calculated based on the urban climate. According to the building energy concept, the energy demand results in an (anthropogenic) waste heat, this is directly transferred to the urban environment. Furthermore, the indoor temperature is re-coupled via the building envelope to the urban environment and affects indirectly the urban climate with a time shifted and damped temperature fluctuation. We developed and implemented a holistic building model for the combined calculation of indoor climate and energy demand based on an analytic solution of Fourier's equation. The building model is integrated via an urban surface model into the urban climate model.",
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