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Improving the operation of a district heating and a district cooling network

Oltmanns, Johannes Julius ; Freystein, Martin ; Dammel, Frank ; Stephan, Peter (2022)
Improving the operation of a district heating and a district cooling network.
In: Energy Procedia, 2018, 149
doi: 10.26083/tuprints-00023021
Artikel, Zweitveröffentlichung, Verlagsversion

WarnungEs ist eine neuere Version dieses Eintrags verfügbar.

Kurzbeschreibung (Abstract)

Ongoing research activities at TU Darmstadt aim at improving the energy efficiency of its Campus “Lichtwiese”. In accordance with the national climate protection goals, CO2 emissions shall be reduced by 80 percent until 2050 compared to the level of 1990. The district heating and cooling networks and the combined heat and power (CHP) generation play a key role in the university’s energy efficiency strategy. The following components for future development are represented in a thermal model of the campus: (1) The cooling supply is switched from compression to absorption chillers supplied with CHP heat, in order to increase the operating time of the CHP plants, especially in the summer. (2) Thermal energy storage along with a predictive control algorithm for the operation of the energy system is implemented to increase the flexibility of the energy supply. This approach also allows to increase the operating time of the CHP plants. (3) The district heating network temperatures, currently depending solely on ambient temperatures, can be reduced considering the heat supply temperature inside the buildings. Thereby, the efficiency of the heat distribution is increased and alternative heat sources can be integrated more easily in the future.

Typ des Eintrags: Artikel
Erschienen: 2022
Autor(en): Oltmanns, Johannes Julius ; Freystein, Martin ; Dammel, Frank ; Stephan, Peter
Art des Eintrags: Zweitveröffentlichung
Titel: Improving the operation of a district heating and a district cooling network
Sprache: Englisch
Publikationsjahr: 2022
Ort: Darmstadt
Publikationsdatum der Erstveröffentlichung: 2018
Verlag: Elsevier
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Energy Procedia
Jahrgang/Volume einer Zeitschrift: 149
DOI: 10.26083/tuprints-00023021
URL / URN: https://tuprints.ulb.tu-darmstadt.de/23021
Zugehörige Links:
Herkunft: Zweitveröffentlichung
Kurzbeschreibung (Abstract):

Ongoing research activities at TU Darmstadt aim at improving the energy efficiency of its Campus “Lichtwiese”. In accordance with the national climate protection goals, CO2 emissions shall be reduced by 80 percent until 2050 compared to the level of 1990. The district heating and cooling networks and the combined heat and power (CHP) generation play a key role in the university’s energy efficiency strategy. The following components for future development are represented in a thermal model of the campus: (1) The cooling supply is switched from compression to absorption chillers supplied with CHP heat, in order to increase the operating time of the CHP plants, especially in the summer. (2) Thermal energy storage along with a predictive control algorithm for the operation of the energy system is implemented to increase the flexibility of the energy supply. This approach also allows to increase the operating time of the CHP plants. (3) The district heating network temperatures, currently depending solely on ambient temperatures, can be reduced considering the heat supply temperature inside the buildings. Thereby, the efficiency of the heat distribution is increased and alternative heat sources can be integrated more easily in the future.

Freie Schlagworte: District heating operation improvement; combined heat and power; heat demand forecast; thermal energy storage; network temperature reduction
Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-230217
Sachgruppe der Dewey Dezimalklassifikatin (DDC): 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften und Maschinenbau
Fachbereich(e)/-gebiet(e): 16 Fachbereich Maschinenbau
16 Fachbereich Maschinenbau > Fachgebiet für Technische Thermodynamik (TTD)
Hinterlegungsdatum: 19 Dez 2022 09:39
Letzte Änderung: 09 Aug 2024 06:45
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