Selection of cooling fluid for an organic Rankine cycle unit recovering heat on a container ship sailing in the Arctic region

Santiago Suárez de la Fuente, Ulrik Larsen, Leonardo Pierobon, Martin R. Kærn, Fredrik Haglind and Alistair Greig

Energy, 2017, vol. 141, issue C, 975-990

Abstract: As Arctic sea ice coverage declines it is expected that marine traffic could increase in this northern region due to shorter routes. Navigating in the Arctic offers opportunities and challenges for waste heat recovery systems (WHRS). Lower temperatures require larger heating power on board, hence a larger demand for waste heat usage, to cover services and maintaining on board spaces temperatures. However, a lower heat rejection temperature increases the WHRS thermal efficiency. The air temperature for the Arctic route selected is colder than that of the seawater, opening the opportunity of having air as coolant. This paper explores the use of two different coolants, air and seawater, for an organic Rankine cycle (ORC) unit using the available waste heat in the scavenge air system of a container ship navigating in Arctic Circle.

Keywords: Organic Rankine cycle; Arctic shipping; Waste heat recovery; Condensers; CO2 emissions (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:141:y:2017:i:c:p:975-990

DOI: 10.1016/j.energy.2017.09.125

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