Multicriteria Design and Operation Optimization of a Solar-Assisted Geothermal Heat Pump System

Leonidas Zouloumis, Angelos Karanasos, Nikolaos Ploskas and Giorgos Panaras ()
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Leonidas Zouloumis: Mechanical Engineering Department, University of Western Macedonia, Kozani 50100, Greece
Angelos Karanasos: Mechanical Engineering Department, University of Western Macedonia, Kozani 50100, Greece
Nikolaos Ploskas: Electrical and Computer Engineering Department, University of Western Macedonia, Kozani 50100, Greece
Giorgos Panaras: Mechanical Engineering Department, University of Western Macedonia, Kozani 50100, Greece

Energies, 2023, vol. 16, issue 3, 1-16

Abstract: This work focuses on the determination of the design and operation parameters of a thermal system depending on the optimization objective set. Its main objective and contribution concern the proposal of a generalized methodological structure involving multiobjective optimization techniques aimed at providing a solution to a practical problem, such as the design and dimensioning of a solar thermal system. The analysis is based on system operation data provided by a dynamic simulation model, leading to the development of multiple surrogate models of the thermal system. The thermal system surrogate models correlate the desired optimization objectives with thermal system design and operation parameters while additional surrogate models of the Pareto frontiers are generated. The implementation of the methodology is demonstrated through the optimal design and operation parameter dimensioning of a solar-assisted geothermal heat pump that provides domestic hot water loads of an office building. Essentially, energy consumption is optimized for a desired domestic hot water thermal load coverage. Implementation of reverse-engineering methods allows the determination of the system parameters representing the optimized criteria.

Keywords: solar thermal; geothermal heat pump; domestic hot water; multiobjective optimization; surrogate model (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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