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Author(s):	Heissler, Karl Martin; Franke, Laura; Nemeth, Isabell; Auer, Thomas
Title:	Modeling low temperature district heating networks for the utilization of local energy potentials
Abstract:	In this paper a modeling approach for the simulation of a low temperature district heating network with seasonal heat storage, collectors and buildings is presented. The approach combines the strengths of the simulation environments Dymola and TRNSYS through the tool “Building Controls Virtual Testbed” to a simulation framework. It is capable of simulating alternating flow conditions within a detailed pipe network along with the heat demand and supply of network-connected buildings and solar collectors. An ecological model settlement in Munich serves as case study for the framework. Modellierung von Niedrigtemperaturnetzen zur Nutzung lokaler Energiepotenziale in Quartieren. Dieser Beitrag stellt einen Modellierungsansatz für die Simulation eines Niedrigtemperaturnetzes mit saisonalem Wärmespeicher, Solarkollektoren und Gebäuden vor. Der Ansatz vereint die Stärken der Simulationsumgebungen Dymola und TRNSYS durch das Tool “Building Controls Virtual Testbed” zu einer Co-Simulationsumgebung. Diese ist in der Lage, wechselnde Strömungsrichtungen innerhalb eines detaillierten Rohrnetzes und Wärmeangebot und -bedarf der an das Netz angebundenen Gebäude und Solarkollektoren abzubilden. Eine “Ökologische Mustersiedlung” in München dient als Fallbeispiel.
Source:	Bauphysik 38 (2016), No. 6
Page/s:	372-377
Language of Publication:	English

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