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Multidisciplinary Optimization of Thermodynamic Cycles for Large-Scale Heat Pumps With Simultaneous Component Design

Gollasch, Jens Oliver und Lockan, Michael und Stathopoulos, Panagiotis und Nicke, Eberhard (2023) Multidisciplinary Optimization of Thermodynamic Cycles for Large-Scale Heat Pumps With Simultaneous Component Design. Journal of Engineering for Gas Turbines and Power, 2 (146). American Society of Mechanical Engineers (ASME). doi: 10.1115/1.4063637. ISSN 0742-4795.

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Offizielle URL: https://asmedigitalcollection.asme.org/gasturbinespower/article/doi/10.1115/1.4063637/1168996/Multi-Disciplinary-Optimization-Of-Thermodynamic

Kurzfassung

The performance of high temperature heat pumps (HTHPs) is highly dependent on the efficiency of its main components, which need to be optimally matched especially in closed cycles. The design process is therefore a challenging task as many disciplines and varying modeling depths need to be considered. Consequently, this is usually a sequential procedure beginning with cycle definition and raising the fidelity for component design. Fundamental design decisions are made based on assumptions for component performance. Mistakes in the phase of cycle definition are hard to reverse in later design stages. Therefore, this work introduces holistic approaches to the multidisciplinary design of closed Brayton cycles. Aerodynamic compressor design with two-dimensional throughflow analysis and geometry based heat exchanger sizing are simultaneously optimized with thermodynamic cycle parameters. The presented methodologies make use of highly sophisticated design tools drawing on many years of experience in gas turbine design. The results demonstrate that holistic heat pump optimization can be successfully performed with reasonable computational effort. The advantages compared to conventional sequential design are elaborated. A comparison of two optimization concepts indicates that splitting up the design vectors of cycle and components shows the tendency to improve robustness. Finally, the tradeoff between system compactness and performance is demonstrated with a multi-objective optimization study. [DOI: 10.1115/1.4063637]

elib-URL des Eintrags:https://elib.dlr.de/199533/
Dokumentart:Zeitschriftenbeitrag
Titel:Multidisciplinary Optimization of Thermodynamic Cycles for Large-Scale Heat Pumps With Simultaneous Component Design
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Gollasch, Jens OliverJens.Gollasch (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Lockan, Michaelmichael.lockan (at) dlr.dehttps://orcid.org/0009-0002-8765-8667NICHT SPEZIFIZIERT
Stathopoulos, PanagiotisPanagiotis.Stathopoulos (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Nicke, EberhardEberhard.Nicke (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:21 November 2023
Erschienen in:Journal of Engineering for Gas Turbines and Power
Referierte Publikation:Ja
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:2
DOI:10.1115/1.4063637
Verlag:American Society of Mechanical Engineers (ASME)
ISSN:0742-4795
Status:veröffentlicht
Stichwörter:Optimization, Cycle Design, Component Design, Holistic Design, Axial Compressors, Heat Exchangers, Heat Pump, Brayton Cycle
HGF - Forschungsbereich:Energie
HGF - Programm:Materialien und Technologien für die Energiewende
HGF - Programmthema:Thermische Hochtemperaturtechnologien
DLR - Schwerpunkt:Energie
DLR - Forschungsgebiet:E SP - Energiespeicher
DLR - Teilgebiet (Projekt, Vorhaben):E - Dekarbonisierte Industrieprozesse
Standort: Cottbus
Institute & Einrichtungen:Institut für CO2-arme Industrieprozesse
Institut für CO2-arme Industrieprozesse > Simulation und Virtuelles Design
Hinterlegt von: Gollasch, Jens Oliver
Hinterlegt am:23 Nov 2023 11:29
Letzte Änderung:30 Nov 2023 08:02

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