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Ship Propulsion

Northrop Grumman Readies New Gas Turbine For Market

As the use of gas turbines as main ship's propulsion power continues to grow in popularity, particularly in the niche vessel segments of cruise shipping and rapid transport, Northrop Grumman recently announced that its WR-21 Intercooled Recuperated (ICR) advanced-cycle gas turbine ship propulsion engine has begun final development tests for the market which has most widely used the product in ship propulsion applications — naval. The engine, which is being developed for naval warship applications through a team led by Northrop Grumman, is being put through its final paces at a naval facility in Philadelphia. England's Rolls-Royce is designing and developing the gas generator and power turbines, while AlliedSignal's Aerospace Systems & Equipment Group in Los Angeles is providing the Intercooler and Recuperator Heat-Exchanger Cores. The WR-21 is touted particularly for its fuel efficiency, as it will reportedly reduce both operation and support costs significantly while keeping the naval ships it serves battle ready. To date, it is a candidate for the U.S. Navy's DD-21 program and for European advanced combatants. "In initial tests, the WR-21 has already demonstrated a 25 percent annual propulsion fuel savings, compared to the existing gas turbine engines on a typical Navy destroyer," said Jim Hupton, vice president, Northrop Grumman Marine Systems


UK Government's Vessel Funding Competition Explained

IMarEST Ship Propulsion Systems Conference speaker explains the government's new initiative in advance of upcoming meeting. The UK Government’s Technology Strategy Board (TSB) is shortly to announce the launch of a competition into vessel efficiency, with up to £8 million of funding available, opening for expressions of interest in January 2013.  In view of the theme of the 3rd IMarEST Ship Propulsion Systems Conference (London, 20-21 November 2012), Andrew Tate


LR LNG Fleet Tops 100

Recent orders of classification services for six liquefied natural gas (LNG) ships have resulted in a milestone for Lloyd’s Register: more than 100 LNG ships now exist or are being built to Lloyd’s Register class, which is significant because the new ships (two for Teekay Shipping and four for BP Shipping at Hyundai Heavy Industries) will feature dual-fuel engines, a recent innovation in LNG ship propulsion. Lloyd’s Register currently classes 37% of the LNG fleet worldwide with a total of


AMSC Awarded $10M ONR Contract

American Superconductor Corporation announced that it has finalized a contract amendment with the United States Navy's Office of Naval Research (ONR). Contract terms include an approval for a $10 million increase to AMSC's contract to design and build a 36.5 megawatt (MW) high temperature superconductor (HTS) propulsion motor for electric warships. The amendment adds $10 million to AMSC's backlog. AMSC also expects an additional contract modification to be completed by ONR within the next


AMSC Gets $13.3M Amendment from ONR

American Superconductor Corporation (NASDAQ:AMSC) has finalized an additional contract amendment with the United States Navy's Office of Naval Research (ONR). Under the terms of the amendment, the ONR has approved a $13.3 million increase to AMSC's contract for the design, manufacture and shipment of a factory-tested 36.5-megawatt (MW) (49,000 horsepower) high temperature superconductor (HTS) propulsion motor for electric warships. The amendment adds $13


JASNAOE Award for MOL Energy Recovery System

Image courtesy MOL

Award recognizes MOL’s Development of a Waste Heat Energy Recovery System for Marine Diesel Engine Used to Generate Electric Power and Assist Ship Propulsion Mitsui OSK Lines, Ltd. today announced receipt of the 2014 Japan Society of Naval Architects and Ocean Engineers (JASNAOE) Award for development of a waste heat energy recovery system for marine diesel engine used to generate electric power and assist ship propulsion


HTS Propulsion Thrusters Project Gets $3.1M Boost

American Superconductor Corporation received a third contract valued at $3.1 million from the U.S. Navy's Office of Naval Research (ONR) to continue the design and development of high temperature superconducting (HTS) motors and related subsystems for electric ship propulsion. The company expects to complete this contract within the next nine months, and anticipates receiving additional contracts from the Navy leading to initial sea trials of an HTS propulsion system by the end of 2003.


AMSC, Northrop Grumman Superconductor

American Superconductor Corporation (NASDAQ: AMSC), an  energy technologies company, and Northrop Grumman Corporation (NYSE: NOC) announced the successful completion of full-power testing of the world’s first 36.5 megawatt (49,000 horsepower) high temperature superconductor (HTS) ship propulsion motor at the U.S. Navy’s Integrated Power System Land-Based Test Site in Philadelphia. This is the first successful fullpower test of an electric propulsion motor sized for a large


Matthias Grawe to Head Business Division Industry

Matthias Grawe (Photo: Voith Turbo)

Matthias Grawe  took over at the helm of the Division Industry at Voith Turbo on March 1. The graduate engineer has been working for Voith Turbo for ten years, most recently as Head of the Product Group Variable-Speed Drives at the location Crailsheim. After studying process technology at Stuttgart University, followed by a study course in energy management at Grenoble University, Grawe gained international experience in a number of renowned companies


Carnival, Wärtsilä Clearing The Air

As the world's cruise lines grow exponentially larger and are increasingly falling under the gaze of environmental and regulatory bodies, the push to ensure that ships are run safely, efficiently and environmentally sound gains new importance each day. The world's largest cruise ship company - Carnival Corporation (CCL) - has hooked up with one of the premier builders of marine diesel engines - Wärtsilä NSD - to develop a smokeless diesel-electric propulsion system for cruise ships.


Harnessing the Wind for Auxiliary Propulsion

The Norsepower R&D site in Naantali, Finland

Finnish marine engineering company Norsepower Oy Ltd. announced that it will bring to the commercial maritime market an auxiliary wind propulsion solution aimed at maximizing cargo ship fuel efficiency, with first sea tests on a Finnish cargo ship slated to begin later this year.


GE to Power, Propel UK's New Frigates

Type 26 Global Combat Ship (Image: GE)

The U.K. Ministry of Defense has engaged in a major program to update and upgrade its current fleet of frigates. In the next decade, Type 26 Global Combat Ships will become the backbone of the Royal Navy, replacing its existing Type 23 Frigates.


Dynaligner Aims to Eliminate Shaft Misalignment

Dynaligner

More than 20 percent of all machinery claims, as well as catastrophic failure, off-hire and repair costs are caused by misalignment – the cause of almost all propulsion train damages Sweden’s Dynaligner AB said, adding that the problem is getting worse as modern ship design pushes the


LNG America Selects ABS for LNG Bunker Barges

lng america.jpg

LNG America announces the selection of the American Bureau of Shipping (ABS) as the classification society for North America’s first LNG bunker barges, currently being designed by Jensen Maritime. ABS will assist LNG America in working with shipbuilders and regulators in developing these


GE Gas Turbine Powers German Navy Frigate

Image: GE

GE Marine reports that the German Navy’s Baden-Württemberg(F125-class) frigatewas christened in December 2013, powered by a GE LM2500 gas turbine-based propulsion system. The christening ceremony was held at ThyssenKrupp Marine Systems in Hamburg, Germany. According Dr


Antoniazzi Named Sales Director, MAN Diesel & Turbo

David Antoniazzi (Photo: MAN Diesel & Turbo)

MAN Diesel & Turbo North America President, Robert Burger has appointed David Antoniazzi as Director Sales – Cruise, Ferry and Merchant. In his new capacity, he is responsible for promoting and selling MAN Medium Speed Engines and aft ship products in North America.


RCI Cruise Ship Propulsion Repairs Necessitate Docking

Allure of the Seas: Photo credit RCI

Owners, of the giant 'Allure of the Seas', Royal Caribbean International say that a mechanical issue obligates performance of unscheduled repairs to their cruise ship 'Allure of the Seas', and the repairs will take place at Grand Bahama Shipyard, in Freeport, Bahamas, the week of February 24, 2014


GE Powers India’s First Aircraft Carrier

Indian Navy Aircraft Carrier (Photo: GE)

GE Marine, headquartered in Cincinnati, Ohio, announced that four GE LM2500 gas turbines will soon power the Indian Navy’s INS Vikrant, providing 80 megawatts for the country’s first indigenous aircraft carrier. Similar to the INS Vikrant itself


Hydrex Performs Underwater Stern Tube Seal Repair

Photo: Hydrex

In August, the stern tube seals of a 67-meter, 2223 grt anchor handling vessel were replaced in Port Gentil by a Hydrex team of diver/technicians. The old seals were damaged and a fast repair was therefore necessary. The team carried out the entire operation on-site and underwater with one of the


MAN Diesel & Turbo and the Tier-III Age

The 14,120 GT Alexander Maersk was the very first test ship where a EGR-system has been installed on  a MAN 2-stroke engine of type 7S50 MC featuring an output of 10 MW at 127 rpm

The introduction of the electronically controlled camshaft-less low speed diesel engines (ME-range) are a milestone in diesel technology, a milestone that deserves a place in history similar to Rudolf Diesel’s first engine in Augsburg for the 1912 motor vessel Selandia


Jose Femenia Named Consultant at UtiliVisor

Jose Femenia

Jose Femenia, former Head of Engineering and Director of the Master of Marine Engineering Program at the United States Merchant Marine Academy, has been named a consultant at utiliVisor. UtiliVisor is an energy advisory firm that offers comprehensive energy monitoring and analysis services for


Interview: MAN Diesel & Turbo Head of R&D, Søren H. Jensen,

Søren H. Jensen, 49, Vice President of R&D at MAN Diesel & Turbo.

Recognizing Opportunities and Mastering Challenges More stringent emission regulations and increasing fuel prices require the development of environmentally compatible, fuel efficient ship propulsion. At the same time, there is a mild demand for new ships and engines


Warship Somerset Completes Builder Ingalls' Sea Trials

Somerset LPD 25: Image courtesy of HII

The amphibious transport dock 'Somerset' (LPD 25), the ninth San Antonio-class ship built at Huntington Ingalls Industries'  Ingalls Shipbuilding division, returns from successful builder's sea trials in the Gulf of Mexico. Ingalls' test and trials team spent three days operating the ship


Underwater Repairs to all Propellers

A Hydrex diver/technician works on a propeller under water

Over the years the Hydrex R&D department has continuously improved underwater repair techniques to make it possible for Hydrex diver/technicians to perform permanent repairs on seals, thrusters, rudders and almost any other part of the underwater vessel without the ship needing to go to drydock


Hydrex Now Offer Drydock-free Permanent Propeller Repairs

Propeller repair: Photo courtesy of Hydrex

Hydrex has now developed a repair system that allows them to perform permanent underwater repairs to every type of propeller in dry conditions, while still afloat. Over the years the Hydrex R&D department has continuously improved underwater repair techniques to make it possible for Hydrex






 
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