2-Stroke and 4-Stroke – Page 8
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NewsWärtsilä targets high injection pressure for methanol
Methanol has already proven to have the potential to become one of the key solutions for the marine industry to reach net carbon neutrality, and Wärtsilä has multiple newbuild and retrofit solutions available already.
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NewsWärtsilä advances testing of new combustion concept
Wärtsilä has put a considerable R&D effort in developing the next generation of its dual-fuel lean burn gas engine, with about 300 hours testing completed.
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NewsMAN ES participating in 4-stroke methanol retrofit research project
MAN Energy Solutions has launched a project to develop retrofit solutions for medium-speed marine engines. The ‘CliNeR-ECo’ project includes partners from industry and research institutes, and will run until the end of 2025. Research association comprising MAN Energy Solutions, WTZ Roßlau gGmbH and TU Darmstadt start ‘CliNeR-ECo’ project.
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NewsMAN 175Ds for Svitzer tugs
UZMAR Shipyards in Turkey has placed an order for 4 × 12V175D-MM IMO Tier II engines, each rated at 2,400 kW @ 1,800 rpm, for two TRAnsverse tug newbuilds.
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NewsFirst NH3-fuelled X-DF-A engine to be delivered in Q1 2025
WinGD has stated that it is on track to deliver the first X-DF-A dual fuel engine capable of operating on ammonia by Q1 2025, and expects the first vessel powered by X-DF-A engines to enter service by 2026.
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NewsFirst ME-GA engine with individual cylinder control option completes gas trials
The first low-pressure ME-GA engine to be equipped with a new engine control feature, ‘ME-GA-opti’, has successfully completed LNG gas trials in South Korea, MAN ES has announced.
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NewsGround broken on Saudi engine factory
Makeen, the joint venture formed between HD Korea Shipbuilding & Offshore Engineering Co., Saudi Arabian Industrial Investments (Dussur) and Saudi Arabian Development Co. (SADCO), has broken ground on the construction of a new engine production and service facility in Ras Al-Khair, near Jubail in Saudi Arabia.
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NewsGroundbreaking First AEngine Test Completed
MAN Energy Solutions has announced the successful first running of a test engine on ammonia at its Research Centre Copenhagen (RCC). The company reports that the successful combustion was performed on a MAN B&W two-stroke 4T50ME-X type and produced positive results with particularly promising data regarding pilot-oil amount and combustion stability.
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NewsFirst ME-GA engine completes gas trials
The first low-pressure ME-GA engine has successfully completed LNG gas trials in South Korea, MAN ES has announced.
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NewsMitsui Augments Engine Production Range
Ranked among the world’s most prolific manufacturers of large marine engines, Mitsui E&S (MES) produced 136 two-stroke units totalling 2.83m bhp (2.11m kW) under its MAN licence in the past financial year. Affirming market recovery and the resilience of Japanese shipbuilders, the projected output from the company’s Tamano complex for the current year ending 31 March 2024 is up at 2.90m bhp (2.16m kW), consisting of 143 units.
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NewsMAN ES Uses LGI Strategy For 1st Ammonia Combustion
MAN Energy Solutions (MAN ES) has successfully started up combustion on a 2-stroke test engine operating on ammonia as fuel using the liquefied gas injection (LGI) combustion strategy, the company confirmed.
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NewsCargo vessel benefits from double eSAIL wind power
The eSAIL system is based on the use of a thick aerodynamic profile and smart suction
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NewsDigital Twin Designed to Evaluate Multiple Energy Saving Technologies
The digital twin and data science environment being developed by the SeaTech Consortium for the testing of a dynamic wing and new engine control technology will ultimately pave the way for the testing of other technologies.
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NewsRolls-Royce opens new mtu Series 2000 assembly plant
Rolls-Royce opened a new assembly plant for its mtu Series 2000 engines in Kluftern near Friedrichshafen, Germany on 23 June. The relocation of mtu Series 2000 engines production will free up space for the production of Series 4000 engines in Rolls-Royce’s Plant 2 in Friedrichshafen, once modernisation work is completed.
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NewsWärtsilä to offer digital retrofit solution for engine governor
Wärtsilä Automation, Navigation and Control Systems (ANCS) is launching an innovative retrofit solution for its marine engine governor system in collaboration with Swedish marine green tech company Qtagg. The solution is designed to extend the lifespan of a ship’s propulsion control system, while simultaneously enhancing the vessel’s overall efficiency.
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NewsNYK confirms order for WinGD VCR technology on DF coal carriers
Japanese ship owner NYK Line has confirmed that it has selected WinGD’s new variable compression ration (VCR) technology for dual-fuel X62DF engines for two dual-fuel coal carriers. The vessels will be among the first to feature WinGD’s cutting-edge combustion optimisation technology, which is expected to lead to significant fuel efficiency savings in gas mode at part and low load operation and diesel mode across the load range.
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NewsStena Line plans series of methanol conversions
Stena Line plans to convert a number of its vessels to dual-fuel operation, capable of operation on methanol as fuel. While the specific details of the order have not yet been announced, Stena Line has awarded Wärtsilä a contract to carry out and convert some of its vessels to operate on methanol fuel.
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NewsKorea Promotes Hydrogen Co-Firing Engine
South Korea’s first home-grown, mixed-fuel LNG/hydrogen engine has been demonstrated for the first time to potential buyers. The versatile four-stroke design has been jointly developed by HD Hyundai Heavy Industries Engine & Machinery Division (HHI-EMD) and HD KSOE in keeping with decarbonisation goals, and will augment the group’s HiMSEN portfolio.
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NewsElectrification takes shipping further along its decarbonisation path
Shipowners are shifting towards hybridised and electrified vessels as they slow down and adopt clean technologies. This takes them further towards full electrification, with many options along the way.
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NewsRetrofit challenges could hamper timely reduction of emissions
Class societies are actively collaborating with yards and manufacturers to ensure successful and timely engine retrofit projects, but there are challenges.
