Title: Comparative power density and exergy density analyses of a regenerative supercritical carbon dioxide power cycle

Authors: Asim Sinan Karakurt; Semih Iskenderli; Ibrahim Furkan Ozel

Addresses: Naval Architecture and Marine Engineering Department, Yildiz Technical University, 34349 Besiktas/Istanbul, Turkey ' Naval Architecture and Marine Engineering Department, Yildiz Technical University, 34349 Besiktas/Istanbul, Turkey ' Naval Architecture and Marine Engineering Department, Yildiz Technical University, 34349 Besiktas/Istanbul, Turkey

Abstract: Many ways exist to balance the supply and demand of energy. However, this balance must be sustainable, environmentally friendly, and economical these days. Most existing technologies meet these requirements, but their use has only recently become widespread due to both political and technical reasons. This study investigates the effects of different design parameters on the first and second laws of thermodynamics based on the performance criteria of a regenerative supercritical carbon-dioxide (sCO₂) cycle with intercooling and reheating. The results show the design parameters providing the optimum values to vary according to the maximum power density and mean cycle pressure values.

Keywords: mean cycle pressure; maximum power density; optimisation; supercritical carbon dioxide.

DOI: 10.1504/IJEX.2023.135512

International Journal of Exergy, 2023 Vol.42 No.3, pp.263 - 274

Received: 16 Jul 2023
Accepted: 02 Sep 2023
Published online: 15 Dec 2023 *

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