Heat pump coupled with large-scale thermal energy storage in low- and high-temeprature district heating

Alice Tosatto (Vortragende:r), Fabian Ochs, Abdulrahman Dahash

Publikation: Beitrag in Buch oder TagungsbandBeitrag in Tagungsband mit PosterpräsentationBegutachtung

Abstract

This work investigates the effects of a heat pump (HP) coupled with thermal energy storage (TES) in a renewables-based district heating (DH) system. In the current energy transition, the gradual substitution of traditional fossil-based heating plants with renewables-based generation systems requires the introduction of elements (such as storage systems) that guarantee stability in the energy availability. In DH grids, the high investment costs related to the construction of large-scale TES systems call for an efficient operation. In this regard, the introduction of HP enables an increase of the effective TES capacity thanks to the exploitation of the TES as a heat source when the direct use of the stored energy is not anymore possible. This study investigates the influence of the HP integration on the TES performance and the effects on the primary energy requirements 20 and CO2 emissions using a well- established numerical TES model, which takes into account the heat transfer mechanisms within the TES itself and between the TES and the surrounding ground.
OriginalspracheEnglisch
TitelProceedings of 2nd International Sustainable Energy Conference (ISEC) 2022
Seiten461-462
Seitenumfang2
PublikationsstatusVeröffentlicht - 2022
Veranstaltung2nd International Sustainable Energy Conference 2022 (ISEC 2022) -
Dauer: 6 Apr. 20227 Apr. 2022

Konferenz

Konferenz2nd International Sustainable Energy Conference 2022 (ISEC 2022)
Zeitraum6/04/227/04/22

Research Field

  • Efficiency in Industrial Processes and Systems

Schlagwörter

  • hermal Energy Storage
  • District Heating
  • Heat Pump
  • CO2 emissions
  • Renewables

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