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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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https://doi.org/10.5194/gmd-2020-199
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-2020-199
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: model description paper 28 Aug 2020

Submitted as: model description paper | 28 Aug 2020

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This preprint is currently under review for the journal GMD.

Building indoor model in PALM model system 6.0: Indoor climate, energy demand, and the interaction between buildings and the urban climate

Jens Pfafferott1, Sascha Rißmann1, Matthias Sühring2, Farah Kanani-Sühring3, and Björn Maronga2 Jens Pfafferott et al.
  • 1Offenburg University of Applied Sciences, Institute of Energy Systems Technology, Offenburg, 77652, Germany
  • 2Leibniz University Hannover, Institute of Meteorology and Climatology, Hannover, 30419, Germany
  • 3Harz Energie GmbH & Co. KG, Goslar, 38640, Germany

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.

Jens Pfafferott et al.

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Jens Pfafferott et al.

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PALM_ERP_Inputdata Sascha Rissmann https://doi.org/10.5281/zenodo.3906170

Jens Pfafferott et al.

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Short summary
The building model is integrated via an urban surface model into the urban climate model. There is a strong interaction between the buildt environment and the urban climate. According to the building energy concept, the energy demand results in an waste heat, this is directly transferred to the urban environment. The impact of buildings defined by different building physical parameters with different technical facilities for ventilation, heating and cooling on the urban climate.
The building model is integrated via an urban surface model into the urban climate model. There...
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