Engines, fuels and alternative power round off day one at P&E34

23 May 2012
The breaks provided networking opportunities

The breaks provided networking opportunities

The 34th Propulsion and Emissions Conference is continuing at the Atlantic Kempinski Hotel in Hamburg. Under the chairmanship of Dr Pierre Sames of GL, sessions two, three and four completed the first day.

The second session was the preserve of the engine technology experts, and an important consideration here is safe switching between high- and low-sulphur fuels. Torben Wiik of MAN Diesel & Turbo outlined his company’s proposal. Then Tomas Aminoff of Wärtsilä gave a presentation of medium speed engine development to meet the various environmental rules, including SCR, scrubbers, dual fuel and fleet optimisation. The transition between HFO and MDO was the subject of a paper from Jan Paulnitz of Jowa Technology; that company’s Diesel Switch Mk II achieves this automatically.

The afternoon sessions followed the lunch, sponsored by SAJ Ship Dynamics. Halvard Slettevoll of Stadt began the ‘other power solutions’ session, showing how electric propulsion can provide a solution for efficiency and emissions. It was then the turn of Rolls-Royce, whose Sindre Håberg outlined the advantages claimed by his company for pure gas, rather than dual-fuel, technology. This was followed by a paper given by Patrick Baan of Wärtsilä, who made the case for dual fuel LNG/Diesel ship power.

Following the afternoon break – sponsored, like all the coffee breaks, by ABS, the conference addressed fuel issues. First was Dag Olav Halle of DNV Petroleum Services, looking at the potential impact on safety and operation of MGO quality. Uncertain specification – particularly viscosity – of some distillate fuel has been the cause of some recent problems. An opposite tack – the consequences of using high quality distillates rather than the more familiar residual fuels – was steered by Willy Wang, representing Wärtsilä and TU Berlin.

Niels Clausen of MAN outlined the results of a just-released joint study by GL and MAN on LNG as a fuel for container ships. The study concludes that LNG is attractive mainly because of its very low emissions to air, and the price is looking attractive too. The crucial question of LNG supply and availability was addressed by Gasnor’s Aksel Skjørvheim – he believes that solutions are in progress, and LNG fuel will prove both possible and economical for a growing number of vessels.

The day’s final session came from Michael Green of Lintec, who described his company’s fuel sample testing services and why, in the view of possible future quality issues, testing is necessary. The day concluded with a question and answer session.

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