2-Stroke and 4-Stroke – Page 53
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NewsWärtsilä looks east – but maintains its European roots
The recent news that Wärtsilä was, in effect, selling a majority stake in its two-stroke engine business to China’s state shipbuilding concern came as rather a shock to many in the industry.
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NewsTurbocharger developed for Tier III two-strokes
MAN Diesel & Turbo says that it is developing a new turbocharger series specifically matched to the requirements of two-stroke engines.
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NewsProven feasibility for battery power
Corvus Energy and Scandlines have cooperated on the conversion of four ro-pax ferries to hybrid propulsion.
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NewsHigh speed unit meets EPA Tier 4
Caterpillar Marine has begun taking orders for the US EPA Tier 4 compliant 3516C large high speed engine series.
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NewsCNG in shipping as an LNG alternative
Transporting natural gas has become big business for the shipping industry, says Dag Pike, who looks at the opportunities in compressing, rather than liquefying, gas for transport and fuel.
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NewsMajor export deal boosts UK marine engine building
Paxman engines have been prominent in the larger high speed marine engine sector for many years, and the VP185 continues to attract important orders for its current proprietor, MAN Diesel & Turbo; David Tinsley looks at the engine’s history and current orderbook.
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News‘Supercharged’ electric ferry
Charging technology developed for submarines, allowing batteries to be charged in a very short time via shore power, is being adapted to a Swedish ferry, writes Dag Pike.
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NewsAutomated charging for battery ferry
Fast-connect shore power is key to operating a new all-electric ferry due to enter service next year in Norway; Cavotec’s solution is described by Dag Pike.
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NewsWind propulsion designers wait on shipowner participation
The latest wind power developments are still in the testing stage, and shipowners may choose to take advantage of this renewable energy source via battery hybrids instead, says Wendy Laursen.
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NewsWartsila forms medium-speed joint venture with CSSC
Wärtsilä says it has signed a joint venture agreement with China State Shipbuilding Corporation (CSSC) for manufacturing medium and large bore medium speed diesel and dual-fuel engines.
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NewsRemoving water from emulsified oil in biodegradable lubricants
Danish lubrication specialist C.C. Jensen says it has a solution to one of the major disadvantages of environmentally acceptable lubricants, and has tested its system in a supply ship operating in US waters.
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NewsTwin fins add efficiency benefits to diesel electric installations
Caterpillar recently formally launched its Cat Propulsion Twin Fin system, designed to save fuel and emissions for diesel-electric installations while improving overall vessel performance.
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NewsEngine monitoring for Maersk supply ship
A Maersk AHTS vessel has been fitted with the Royston Enginei system to monitor its fuel consumption, which will enable both crew onboard and technical staff onshore to understand how the ship is being worked, hopefully leading to lower fuel costs and reduced environmental impact.
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NewsBoiler adds energy saving benefits to EGR
Alfa Laval and MAN Diesel & Turbo have been jointly developing a system that adds waste heat recovery to exhaust gas recirculation, effectively permitting fuel saving and TierIII NOx compliance at the same time – previously, reducing NOx meant a fuel consumption penalty.
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NewsFailsafe sealing solutions boost performance
A growing range of sealing solutions aim to improve safety and reduce the risks of oily emissions, by Wendy Laursen
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NewsPiston rod sealing systems to combat high-BN cylinder oil side effects
Engine builders and oil companies are agreed that in order to avoid the effects of cold corrosion when slow steaming with new-generation long-stroke low speed engines, a high base number cylinder oil is needed – Ernie Terry of UK company Marine Sealing Services looks at overcoming the possible problems.
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NewsMonitoring for safety with bio-fuels
According to Patrice Flot and Alain Meslati of diesel control and instrumentation company CMR Group, various challenges in the marine industry are leading to the greater use of bio-fuels in the form of bio-diesels and an increase in the quantity of biodiesel blended into conventional distillate fuels.
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NewsElectric offshore drives
Ingeteam of Spain says that for the past two years, under a framework agreement with Ulstein, its Ingedrive frequency converters have been integrated into Ulstein Power & Control offshore vessel projects.
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NewsNES adds energy storage to Quadro drives
Norwegian Electric Systems (NES), the Bergen-based integrator of marine and offshore electric propulsion systems, has launched two new hybrid systems to the market.
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NewsThe new IGF Code could accelerate the uptake of fuel cells
The industry is now well placed to adopt fuel cell technologies, but it will take time, writes Wendy Laursen
