Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=yeni20 Journal of the Energy Institute ISSN: 1743-9671 (Print) 1746-0220 (Online) Journal homepage: http://www.tandfonline.com/loi/yeni20 Ecological coefficient of performance (ECOP) optimization for an irreversible Brayton heat engine with variable-temperature thermal reservoirs Y. Ust, O. S. Sogut, B. Sahin & A. Durmayaz To cite this article: Y. Ust, O. S. Sogut, B. Sahin & A. Durmayaz (2006) Ecological coefficient of performance (ECOP) optimization for an irreversible Brayton heat engine with variable-temperature thermal reservoirs, Journal of the Energy Institute, 79:1, 47-52 To link to this article: https://doi.org/10.1179/174602206X90959 Published online: 12 Apr 2016. Submit your article to this journal View related articles Citing articles: 6 View citing articles