Multi-objective optimisation of a novel organic Rankine-Goswami cycle operating with different refrigerants in the organic Rankine cycle
by Mert Sinan Turgut
International Journal of Exergy (IJEX), Vol. 40, No. 3, 2023

Abstract: This paper tackles the multi-objective design optimisation and comparative investigation of a cascade organic Rankine-Goswami cycle (ORC-GW) operating with various refrigerants, namely R600, R236ea, and R245fa, in the organic Rankine cycle (ORC). The solution of the multi-objective optimisation problem is achieved by applying the African vultures optimisation algorithm (AVA). The results show that the ORC-GW operating ammonia-water/R600 working fluid pair has increased total cost and second law efficiency compared to its competitors, respectively 24.575 M€ and 0.440.

Online publication date: Thu, 30-Mar-2023

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