2-Stroke and 4-Stroke – Page 8
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NewsAiP for NH3-fuelled SCR design using ammonia as reductant
HD Korea Shipbuilding & Offshore Engineering (KSOE) and HD Hyundai Heavy Industries (HHI) received an approval in principle (AIP) from ABS for an ammonia reductant supply system for selective catalytic reduction (SCR) in ammonia-fuelled ships.
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NewsMAN ES stresses need for common NH3 standards
MAN Energy Solutions is understood to have expressed concern to IACS, the International Association of Classification Societies, about the lack of a set of unified requirements relating to ammonia-fuelled engines and their supporting infrastructure.
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NewsNaming ceremony for MeOH-fuelled Laura Maersk in Copenhagen
A.P. Moller-Maersk (Maersk) held a formal naming ceremong for its first vessel that will operate on green methanol. The newbuild methanol-fuelled 2,100teu container feeder, Laura Maersk, was named in a ceremony hosted in the Port of Copenhagen on 15 September.
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NewsNew turbocharger cut out system ensures efficiency of MAN 10.6 engines
MAN Energy Solutions has developed a new turbocharger cut out system to optimize the low load performance of its new high efficiency G95ME-C10.6 engines, and researchers shared details of its development at CIMAC 2023 along with new EGR developments across a range of engines.
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NewsRolls-Royce adds pod drives to mtu yacht offering
Rolls-Royce is adding pod drives to its mtu yacht portfolio in cooperation with ZF
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NewsPropulsion package for first MeOH-fuelled hybrid RoRo vessels
Wärtsilä has been chosen to supply an integrated hybrid propulsion system for two new hybrid RoRo vessels, including the engines, a methanol fuel supply system, a hybrid electric system, as well as bow thrusters and an onshore power system for two new methanol-fuelled hybrid RoRo vessels.
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NewsNew ECS System Keeps ME-GA Close To ISO Conditions
MAN Energy Solutions is using AI-like algorithms in the new engine control system for its Otto cycle, dual-fuel LNG ME-GA engines
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NewsRolls-Royce to power new fast ferries
Penguin Shipyard International in Singapore orders eight 16V 4000 mtu engines for two fast ferries for AD Ports
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NewsWinGD inks NH3-fuelled vessel applications MoU with SHI
WinGD and South Korean shipbuilder Samsung Heavy Industries (SHI) have signed an agreement to cooperate on on future fuel vessel applications with ammonia-fuelled engines.
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NewsJoined Up Thinking: MAN’s New NH3 Engine Is On Track
Thomas S. Hansen, Head of Promotion and Customer Support at MAN Energy Solutions, 2-Stroke has provided an update on the new ammonia engine’s development schedule
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NewsEPS reported to place 3+3 dual-fuel NH3 Newcastlemax order
Eastern Pacific Shipping (EPS) is reported to have placed an order for three Newcastlemax bulk carriers with Qingdao Beihai Shipbuilding Heavy Industry, with an option for a further three vessels, according to Chinese-language social media reports and broker reports. The order is understood to be the first order for bulk carriers to be powered by dual-fuel engines capable of operating on ammonia as fuel.
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NewsNew Small-Bore Methanol Genset
In response to the seemingly inexorable rise of dual-fuel propulsion, MAN Energy Solutions is to augment its genset portfolio with a methanol-capable, auxiliary engine. The foundation for the new L21/31DF-M genset is the current L21/31 small-bore, four-stroke platform.
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NewsMethane slip reduction potential of Wärtsilä engine solutions
Swedish shipping company Furetank has announced that it is co-developing and testing two technologies with Wärtsilä that demonstrate the potential to halve methane slip emissions.
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NewsMAN’s 95-bore LGIM engine ready for Maersk newbuildings
Representatives from MAN Energy Solutions and A.P. Moller – Maersk presented an update on the methanol engines powering recent newbuilding orders at CIMAC 2023, including the new 95-bore developed for larger vessels.
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NewsWinGD plans next updates to X-DF engine
The developments from the X-DF1.0 to X-DF2.0 involved inclusion of the iCER EGR technology without changing brake mean effective pressure (BMEP), but now WinGD is looking to further increase efficiency and reduce emissions, this time with changes to BMEP.
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NewsMitsubishi Shipbuilding begins NH3 abatement system demonstration tests
Mitsubishi Shipbuilding Co., Ltd., a part of Mitsubishi Heavy Industries (MHI) Group, has announced the beginning of demonstration tests of the ammonia gas abatement system (AGAS) at its testing facility at Nagasaki District MHI Research & Innovation Center. The tests are intended to demonstrate that the AGAS can safely process surplus ammonia from ammonia-fuelled vessels.
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NewsChevron broadens collaboration with Cummins into biofuels
Chevron’s US subsidiary Chevron U.S.A. Inc., signed a memorandum of understanding with Cummins on 10 August extending the scope of an existing 2021 strategic collaboration agreement to cover biofuels, including renewable natural gasoline blends and biodiesel. The new agreement is intended to encourage the commercial and industrial adoption of the fuels in North America.
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NewsNew engineBOLL marine filtration system gains market share
BOLL & KIRCH has announced that its newly developed engine filtration system has received more than 1,000 orders since its recent launch, gaining a strong position in orders for MAN Energy Solutions’ ME-type engines.
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NewsAmmonia combustion without ignition improver demonstrated on single cylinder test engine
Mads Carsten Jespersen and a team of researchers from Technical University of Denmark (DTU) presented research into widening the operating limits of a spark-ignited engine operating on pure ammonia and confirmed that combustion of 100% ammonia, pre-mixed with air but without an ignition improver is feasible.
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NewsMAN’s 49/60DF engine ushered in a new generation of engine control
MAN Energy Solutions highlighted the development work that went into the 49/60DF engine at CIMAC 2023.