Propulsion – Page 79

  • Indar has supplied low noise AC induction motors for propulsion of the Belgian research vessel ‘Simon Stevin’
    News

    Induction motors offer low noise signature

    2012-06-30T15:49:00Z

    According to motor company Indar, up to now vessels complying with Silent class notation have had to use DC motors, but this has now changed.

  • Starnav’s line handling tug ‘Sirius’ is powered by an MTU engine (Starnav)
    News

    MTU guards the Great Lakes

    2012-06-30T15:47:00Z

    The Great Lakes that border the US northeast corner and Canada, as the world’s largest freshwater lakes holding 21% of the world’s surface fresh water, have a delicate ecological balance, which MTU is helping to safeguard.

  • The Wärtsilä 50DF engine, which enjoys over 30% share of the total large medium speed engine market, regardless of fuel
    News

    Dual fuel ticks all the boxes, says engine designer

    2012-06-01T00:57:00Z

    Wärtsilä believes that the dual-fuel option for gas-fuelled ships offers economic benefits as well as practical and environmental advantages.

  • Regulated two-stage turbocharging to meet future emission standards Since single-stage turbocharging will no longer be sufficient to comply with the increasingly tougher future emission standards, MTU in future will opt for a regulated two-stage...
    News

    Need for compact performance drives turbo technology

    2012-06-01T00:55:00Z

    Turbocharger development for medium speed engines and high speed generators focuses on efficiency in line with emissions reductions requirements of the future, by Wendy Laursen.

  • 'Alexander Maersk', used for first-stage sea trials of exhaust gas recirculation
    News

    Greening the low speed fleet

    2012-06-01T00:53:00Z

    The Motorship recently visited MAN Diesel’s two-stroke headquarters in Copenhagen, where we learned about the company’s latest moves to keep ahead of the game in respect of emissions reduction, particularly with respect to the EEDI.

  • The new ZF 5000 marine transmission
    News

    Improved marine transmission launched

    2012-05-31T23:00:00Z

    ZF Marine says that its new ZF 5000 marine transmission family is well positioned to address current market requirements incorporating the latest design and technological advances in a wide range of models.

  • News

    Effective oil condition monitoring

    2012-05-31T23:00:00Z

    According to Intertek UK, the cost and effect of machinery breakdown in a vessel can be severe; from the cost of replacement with new equipment to expensive downtime.

  • ABB strongly recommends use of original parts - after just a few hours, damage is evident on the non original turbine shaft (left)compared with the ABB original part (right)
    News

    Operators take servicing philosophies to extremes

    2012-05-01T00:00:00Z

    In the critical area of turbocharger maintenance, equating quality with original equipment manufacturers doesn’t suit everyone, according to Wendy Laursen.

  • ME-GI test engine at MAN Diesel & Turbo in Copenhagen
    News

    Dual fuel gains credibility in the low speed market

    2012-05-01T00:00:00Z

    Both major designers of large low speed two stroke marine engines have demonstrated their commitment to gas as an alternative fuel and have demonstrated dual-fuel technology applied to their engine designs, while, additionally, two Asian licensees are demonstrating their commitment to LNG ship power.

  • Water tanker designed by Solar Sailor: the company believes that in 50 years time all bulkers and tankers will have wings
    News

    Putting solar technology into the hybrid mix

    2012-04-01T00:00:00Z

    Wendy Laursen reminds us that there are solar-collecting sails on the horizon but it may be some time before they make their way into the emissions reduction plans of most shipowners.

  • The Rolls-Royce MT30 on test
    News

    Gas turbines – poised for renewed interest?

    2012-04-01T00:00:00Z

    The two major manufacturers of marine gas turbines – Rolls-Royce and GE Marine - look forward to a resurgence in interest in the face of stricter emissions regulations and the growing acceptability of gaseous fuels.

  • From Eco Marine Power of Japan - the Medaka ferry design
    News

    Ferries lead, tugs may follow

    2012-04-01T00:00:00Z

    Wendy Laursen outlines how commuter ferries with innovative power systems provide a testing ground for systems that could bring clean power to other vessel types, notably harbour tugs, thanks to battery technology.

  • No signs of wear or deformation were visible on the cut-out turbocharger's journal bearings after four months of operation.
    News

    Field test success for cut-out procedure

    2012-03-31T15:43:00Z

    MAN Diesel and Turbo has field tested the cut out of a TCA type turbocharger for improved slow steaming performance and concluded that the marginal fouling and oil leakages that occurred were not critical.

  • News

    Engineers meet deadline fixing bearing problem

    2012-03-31T15:42:00Z

    Shanghai-headquartered Mariso demonstrated a quick response to owner’s needs when its repair team discovered a bearing problem during routine maintenance on a TC VTR 714 type turbocharger.

  • The Wartsila 50DF engine will power a new LNG carrier for use in the European ECAs, in readiness for IMO Tier III and the 2015 0.1% fuel sulphur cap
    News

    First dual-fuel newbuild with mechanical drive

    2012-03-09T11:37:00Z

    An LNG carrier, soon to be delivered from the Meyer Werft yard in Germany, is notable for being the first newbuild gas-fuelled ship with mechanical drive to the propeller – previous such installations have all been part of a diesel-electric plant.

  • Information is captured as part of the crew’s normal daily routine, says Datatrac
    News

    Performance monitoring rapidly becomes a total solution

    2012-02-29T23:45:00Z

    Just a few years ago, real-time system monitoring was only used by a few, technically advanced ship operators but, increasingly, intelligent data management systems are rapidly turning it into a practical and accessible tool for compliance and performance monitoring, writes Wendy Laursen.

  • The Bergen C-series gas engine from Rolls-Royce, regarded as the natural successor to the company’s K-series, and designed to minimise methane slip, thus contributing to particularly low GHG emissions
    News

    More gas engine options come to the market

    2012-02-29T23:45:00Z

    Medium speed engine designers are looking harder still at gas fuelled options – gas-only or dual fuel - while China, rather than continuing to rely on European designs built under licence, is stepping up its domestic engine design programme, as David Tinsley reports.

  • Cruise ship ‘Carnival Glory’ has been converted to Promas
    News

    Short payback claimed for integrated propulsion solution

    2012-02-29T23:45:00Z

    Some things may sound too good to be true, and many are – but some have been proven to work, such as the Promas integrated propeller and rudder from Rolls-Royce.

  • Stadt no-loss drive system layout
    News

    No-loss electric propulsion selected for gas-fuelled ships

    2012-02-29T15:31:00Z

    Stadt of Norway reports that its patented Stadt Stascho no-loss drive system has gained a foothold in Korea with the country’s largest shipbuilder, Samsung, offering the system for its LNG-powered passenger ship designs.

  • HK-ship-stack-with-scrubber-running.jpg
    News

    Seawater scrubber qualifies as EPA 'emerging technology' to reduce particulate matter

    2012-02-20T15:13:00Z

    Accreditation for Hamworthy Krystallon scrubbers on list of emerging technologies has followed the US EPA’s decision to accept exhaust gas cleaning systems as a viable means of reducing emissions.