Quasi-steady state simulation of an organic Rankine cycle for waste heat recovery in a passenger vessel

Maria E. Mondejar, Fredrik Ahlgren, Marcus Thern, Magnus Genrup

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

In this work we present the quasi-steady state simulation of a regenerative organic Rankine cycle (ORC) integrated in a passenger vessel, over a standard round trip. The study case is the M/S Birka Stockholm cruise ship, which covers a daily route between Stockholm (Sweden) and Mariehamn (Finland). Experimental data of the exhaust gas temperatures, engine loads, and electricity demand on board were logged over a period of four weeks. These data where used as inputs for a simulation model of an ORC for waste heat recovery of the exhaust gases. A quasi-steady state simulation was carried out on an off-design model, based on optimized design conditions, to estimate the average net power production of the ship over a round trip. The maximum net power production of the ORC during the round trip was estimated to supply approximately 22% of the total power demand on board. The results showed a potential for ORC as a solution for the maritime transport sector to accomplish the new and more restrictive regulations on emissions, and to reduce the total fuel consumption.
Original languageEnglish
JournalApplied Energy
Number of pages12
ISSN0306-2619
DOIs
Publication statusE-pub ahead of print - 2016
Externally publishedYes

Keywords

  • Cruise vessel
  • Waste heat recovery
  • Organic Rankine cycle
  • Off-design
  • Quasi-steady simulation

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