20-22 June 2018
Trieste (Italy)
Europe/Rome timezone

LESS: a new simulation environment for the preliminary design of cruise ship energy systems

21 Jun 2018, 09:30
Oceania (Trieste (Italy))


Trieste (Italy)

Stazione Marittima
Paper Ship propulsion, machinery and systems Machinery and Systems Design


Dr Rodolfo Taccani (University of Trieste)


The number of cruise ships sailing is growing constantly worldwide driven by increasing number of passengers. Higher attention to this ship segment, runs together with more complex energy systems installed on board due to the need of improving the energy efficiency. For this reasons, ship Owners and Shipyards are involved in the design of power plants and energy management systems that ensure lower fuel consumption and compliance with increasingly stringent IMO regulatory requirements on emissions. The software LESS (Low Energy Ship deSign tool) is a simulation environment to support the designers to choose among different propulsion/hotel plants solutions in the early stage of the ship design. The software allows to analyze the energy performance of different plant lay-outs and system components. In particular, the components library of the tool includes heat recovery packages such as Organic Rankine Cycles (ORC) systems. The first simulations indicate an energy saving of 5-10% in comparison to state of the art solutions.

Primary author

Dr Rodolfo Taccani (University of Trieste)


Mr Bruno Bisello (Tempestive srl) Mr DARIO CANGELOSI (CETENA S.p.A.) Prof. Diego Micheli (University of Trieste) Mr Federico Ustolin (University of Trieste) Mr Giuseppe Stranieri (Cetena S.p.A.) Mr Michele Capobianco (Tempestive srl) Mr Paolo Pinamonti (University of Trieste)

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