The Swedish Club provides lessons learned from a machinery failure. Namely, the main engine, a six cylinder medium speed type, had serious damage and had to be renewed. Moreover, the turbo charger had to be overhauled. The engine had been operated on a high thermal load for a long time and the turbocharger efficiency had been affected by fouling.
Japanese shipping company “K” Line announced that one of its new 91,000-DWT-type coal carriers, ‘Corona Youthful’, was delivered with a binary cycle power generation system developed by Kobe Steel, Ltd. at Oshima Shipbuilding, on 1 February 2019.
Mr. Antonis Trakakis, Chief Technology Officer at Forward Ships, talks about methane slips from LNG fueled engines. Mr. Trakakis notes that these emissions are not inherent to the natural gas. The problem lies at the applied heat cycle, making the amount of methane slip depend on the technology of each engine.
Already established measures have paved the way for a more environmental-friendly shipping. A key example is the IMO NOx Tier III limits. These limits apply to engines installed on or after 1 January 2016, that are operating in Emission Control Areas and establish a strict limit on their emissions.
NYK and MTI Co. Ltd. have created an advance alarm system, able to detect anomalies on real-time, that water getting in lubricating oil cause. This alarm has already been installed on Haramachi Maru, aiming to prevent such problems and achieve preventive maintenance for the engine.
Spanish ferry operator Baleària announced it has started LNG retrofitting work for its ferry ‘Napoles’, the first of the company’s six vessels to be converted to run on LNG. The ship arrived Sunday at Gibdock shipyards in Gibraltar, where the modification of the engines and the installation of the LNG tank will be carried out. The works completion is scheduled on 15 February 2019.
Finnish technology group Wärtsilä announced the signing of a Memorandum of Understanding (MoU) with Finland’s Lappeenranta University of Technology (LUT) and Nebraska Public Power District (NPPD), for the study of the development of a business case for the use of alternative fuels with Wärtsilä generating sets. The MoU was signed on 13 November.
UK MAIB informed of a pressure accident onboard a multicat vessel. Operators carried out an unrecorded modification to the supply fan flap support brackets, without consulting the shipbuilder, which led two crew members to be sucked into the engine room with severe force. MAIB advised that any modifications need to consider all aspects of the application being altered.
The US Coast Guard Office of Commercial Vessel Compliance issued a circular to outline how the Coast Guard will enforce MARPOL Annex VI Regulation 188.8.131.52 due to the unavailability of engines needed to comply with this regulation.
Instead of complying with MARPOL Annex VI Tier III performance standards, engines covered by this guidance can be certified by the US Environmental Protection Agency as meeting Clean Air Act Tier 3 requirements under 40 CFR part 1042.
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