Techno-economic optimization of a district heat condenser in a small cogeneration plant with a novel greedy cuckoo search

Jussi Saari, Clara Mendoza Martinez, Juha Kaikko, Ekaterina Sermyagina, Aleksi Mankonen and Esa Vakkilainen

Energy, 2022, vol. 239, issue PE

Abstract: The goal of the study was to develop an optimization methodology combining a cost model, a 2-D heat transfer model, and load variation, executable in a feasible time in a personal computer. The objective function to maximize is the annual net cash flow. For this purpose, the cogeneration plant performance is determined at different load points as a function of the condenser performance using IPSEpro process simulation software. This data is then used to implement the calculation process to obtain the objective function value. Due to the computationally heavy heat transfer model, and each objective function evaluation requiring multiple runs, one per load point, improving optimizer performance was given particular attention. A novel hybridization of cuckoo search and a greedy differential evolution strategy was created for this; the new algorithm is shown to perform better than either of its parent algorithms or other benchmarks, finding optimal solution reliably, and within approximately half the number of function evaluations as required by the parent algorithms.

Keywords: Cogeneration; Condenser; Cuckoo search; Differential evolution; Heat exchangers; Optimization (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:239:y:2022:i:pe:s0360544221028711

DOI: 10.1016/j.energy.2021.122622

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