Monday, July 26, 2021

Tag: ship engines

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World's first MAN B&W ME-GI in service

Nakilat, in association with Qatari LNG producers Qatargas and RasGas Company Limited and engine manufacturer MAN Diesel & Turbo, recently celebrated the success of the ME-GI project.The project involved retrofitting chartered Q-Max vessel, Rasheeda, with a gas-burning M-Type Electronically Controlled – Gas Injection (ME-GI) System, which has now been successfully commissioned.The Qatari-owned Q-Max vessel is the world’s first low-speed marine diesel engine to be converted to use LNG as a fuel. The retrofit modification meets the current known and future stated global emissions regulations.Nakilat’s Rasheeda built in 2010 is a 266,000 m3 LNG carrier with two MAN B&W S70ME-C HFO-burning engines, which have been converted to the dual-fuel ME-GI concept. The shipyard operator Nakilat-Keppel Offshore & Marine (N-KOM) carried out the ship’s conversion at its Erhama bin Jaber Al Jalahma Shipyard facilities in the major Qatari port of Ras Laffan Industrial City.The project collaborators, including MAN PrimeServ, installed the ME-GI system on the vessel at the Erhama bin Jaber Al Jalahma shipyard in Qatar in June 2015. The partner for the ME-GI fuel supply system is TGE.Christian Ludwig, Head of Retrofit and Upgrades, MAN PrimeServ, said: “This is a fantastic milestone in our company’s history. It is a lighthouse project, ...

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Upcoming environmental regulations for emissions to air – IMO NOx Tier III

 DNV GL has issued Statutory News regarding the upcoming environmental regulations for emissions to air.The IMO Tier III requirements reduce nitrogen-oxide emissions (NOx) by approximately 76% in comparison to a Tier II engine. This requirement only applies to new vessels and engines. It poses a significant challenge to engine designers, as they need to apply NOx-reduction measures with the help of other engine technologies.Relevant for all vessels with keel-laying on or after 1 January 2016 with engine output of 130kW and above, when operating in North American and US Caribbean Sea Emission Control Areas.The IMO NOx-emission limits apply to diesel engines and depend on an engine’s maximum operating speed (n, rpm), as presented in the table below. Tier I and Tier II are global requirements, whereas Tier III standards only apply to current existing Emission Control Areas (ECAs) for NOx (North American and US Caribbean Sea).In future ECAs that regulate NOx emissions, the Tier III standards will apply to ships with keel-laying on or after the date of adoption of such an ECA.When the global Tier II limits came into force in 2011, engine-makers were able to tune the engines to comply with these new emissions limits. Tier III poses ...

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Wärtsilä 31 engines selected for new generation icebreaker

 The recently introduced Wärtsilä 31 engine has been selected to power a state-of-the-art new generation icebreaker currently under construction at the PJSC Vyborg Shipyard. The ship is being built on behalf of FSUE Atomflot, the enterprise of ROSATOM, the State Corporation for Atomic Energy. The order was signed in September.When delivered, the icebreaker will serve the Yamal LNG project in Sabetta, located northeast of the Yamal peninsular in Russia. The project is one of the largest industrial undertakings in the Arctic. Fuel efficiency and reliability were the two major deciding factors behind the choice of the Wärtsilä 31 engine.Other key considerations in the decision process were the engine’s operational flexibility and its outstanding performance in extreme environmental conditions. The new vessel will operate in temperatures as low as minus 50°C.The new generation icebreaker Aker ARC 124 will feature three 8-cylinder Wärtsilä 31 engines. The installation will also include Wärtsilä’s online monitoring of the engines, thereby enabling their operating condition to be closely followed remotely. An additional characteristic of the newly introduced vessel is that it will feature a totally new approach to maintenance. The first major service required by the Wärtsilä 31 comes only after 8000 running hours (compared to ...

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Japan’s first ME-GI successfully passes FAT

 The FAT (Factory Acceptance Test) of the first ME-GI engine in Japan recently took place at the Tamano Works of Mitsui Engineering & Shipbuilding Co., Ltd. (MES). Overseen by the DNV GL classification society, the engine is the first of two 8S70ME-C8.2-GI units for delivery to VT Halter Marine of Mississippi, USA for installation aboard two 2,400-teu ConRo ships for Crowley Maritime Corporation, USAThe Crowley orderCrowley ordered the ME-GI engines, along with 3 × MAN 9L28/32DF auxiliary engines for each vessel, in early-2014.The ConRo ships – with container Lift-On/Lift-Off (LO/LO) and Roll-On/Roll-Off (RO/RO) – will be named ‘El Coquí’ and ‘Taíno’, and are scheduled for delivery in the second and fourth quarters of 2017, respectively.The vessels will be two of the world’s first LNG-powered ConRo ships, designed to travel at speeds up to 22 knots, and carry various sized containers, along with hundreds of vehicles in enclosed, weather-tight car decking.Crowley states that the vessels will offer customers fast ocean-transit times and, being powered by LNG, will set a new standard for environmentally responsible shipping.Crowley selected the high-pressure, Diesel-cycle ME-GI engines due to their high efficiency and power concentration. The ME-GI’s ability to avoid derating, and its negligible methane ...

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MAN engine receives EPA certification

 MAN Diesel & Turbo has announced that the MAN 32/44 Common Rail engine family (rated power: 3,600 – 12,000 kW) has received US EPA Certification, a requirement for all engines installed aboard US-flagged vessels.Chuck Griffith, Sales Manager, MAN Diesel & Turbo, North America, said: “This certification is a significant step in our four-stroke, marine-engine strategy for the US market. The engine family has been certified US EPA Tier 2 for Category 3 engines and builds the foundation for us to introduce our US EPA Tier 3 for Category 3 product in 2016. This will allow US customers to benefit from the high power output and low fuel-consumption of our medium-speed, common-rail engines.”US EPA Tier 3 is currently the final emissions tier for Category 3 (≥ 30L/cyl displacement) engines, and is similar to US EPA Tier 4 for Category 1 and 2 (< 30 L/cyl displacement) engines.The US EPA certification process was initiated in response to demand from the American fishing industry. MDT has already received several orders within the United States for the engine, including that for an MAN 8L32/44CR engine to power a newbuilding trawler for Fishermen’s Finest, the U.S. fishing company. 32/44CR characteristicsMAN Diesel & Turbo’s common-rail ...

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HHI develops next generation CLEAN HiMSEN Engine

 Hyundai Heavy Industries (HHI) has announced that it recently completed type approval testing for its next generation CLEAN HiMSEN (Hi-Touch Marine & Stationary Engine) engines with the presence of eight major classification societies including ABS, DNV/GL, LR and KR.The CLEAN (Customer, Liability, Environment, Acceptable Technology, No Defect) four-stroke HiMSEN engine (Model H21C) improves power output by 20 percent and fuel efficiency up to 2 percent compared to the existing same class four-stroke engines, H21/32, while making its physical size and weight 10 percent smaller and lighter respectively with the utilization of high pressure combustion technology. The IMO Tier III-compliant engine emits 98 percent less NOx with the attachment of HHI’s proprietary Hyundai Selective Catalytic Reduction technology, NoNOx.Mr. Youn Joong-geun, executive vice president of HHI’s Engine & Machinery Division said“Our next-generation CLEAN HiMSEN engine is the culmination of our 40 years of technological know-hows and experiences. With the customer-oriented engineering, the high-output and high-efficiency engine will surely bring mutual benefits to HHI and its valued customers.”Source & Image Credit: HHIIn the outbreak, I was explicit with you propecia before and after has changed my being. It has become much more fun, and now I have to run. Just as it ...

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Factory acceptance for first 2-stroke low-pressure dual-fuel engine

  The first Wärtsilä low-speed two-stroke dual-fuel (DF) engine destined for a commercial application has successfully completed its Factory Acceptance Test (FAT) at a Chinese licensee of Winterthur Gas & Diesel (WinGD), the Switzerland-based designer, developer and licensor of Wärtsilä brand low-speed two-stroke engines. The engine is a five cylinder, 50 cm bore 5RT-flex50DF built by Yuchai Marine Power Co., Ltd. (YCMP) at its factory in Doumen, Zhuhai City, Guangdong Province, in the South of the People’s Republic of China. It will power a new “handy-size” LNG carrier, designed by MARIC, in the fleet of Chinese ship-owner and operator Zhejiang Huaxiang Shipping CO., Ltd. The new vessel is under construction at the shipyard of Qidong Fengshun Ship Heavy Industry CO., LTD, also in the People’s Republic of China. While designed to ocean-going standards, in service the LNG carrier will operate principally in Chinese coastal waters and deliver LNG to terminals in the estuaries of major Chinese rivers. WinGD’s scope-of-supply for this project also includes a gas valve unit (GVU), some ancillary equipment and the commissioning of both the engine and GVU aboard the LNG carrier. Technical Data of the LNG Carrier: Rated power: 6000kW at 124rpm LNG Capacity: ...

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Shell fuel offers smooth transition to ECAs

  Shipowners switching to low sulphur content fuels in line with their obligations in Emissions Control Areas (ECAs) have demanded confidence in the cylinder oils specified to lubricate their engines Shell Marine Products (SMP) can claim early insight into the way low sulphur fuels used with oils of too high a base number can harm engine efficiency. Many lubricant suppliers have concluded that, where fuel sulphur content is 0.1% or lower, the required level of cleanliness requires cylinder oils of 40BN and below. SMP’s answer for two stroke engines has been the 25BN Shell Alexia S3 (SAE50).  “Extended use of conventional, high base number (BN) cylinder lubricants in engines burning low-sulphur fuels may lead to the formation of harmful deposits, potentially resulting in liner scuffing and premature replacement,” says Jan Toschka, General Manager, Shell Marine Products. “However, it is not only about matching BN to sulphur content. Our intensive research has shown that, in addition to acid stress, the cylinder oil in low-speed, two-stroke engines is exposed to thermal, insolubles and humidity stress. An imbalance between the acid stress a cylinder oil faces and its BN can lead to excessive deposits on piston top lands, rings, and ring grooves, leading ...

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Wartsila 50DF engine certified to run on ethane

  The Wärtsilä 50DF marine engine has been successfully tested and certified to run on ethane (LEG) fuel. The extensive and successful testing programme was carried out by Wärtsilä in close collaboration with Evergas, a world renowned owner and operator of seaborne petrochemical and liquid gas transport vessels.  “We are very pleased that the Wärtsilä engines will be capable of utilising ethane boil-off gas as fuel. It increases our operational efficiency and improves flexibility in the bunkering of fuels. All in all it results in a significant reduction in operating costs, while also providing a minimal environmental footprint. It also enables us to offer our customers increased flexibility, which has a monetary value to them,” says Mr Steffen Jacobsen, the CEO of Evergas. The capability to efficiently burn ethane boil-off gas as engine fuel significantly reduces the need of gas re-liquefaction during the voyage. This means that less power is needed for the cargo handling, thus providing a more efficient and environmentally sound overall system. This technological breakthrough enables Wärtsilä´s customers to meet the International Maritime Organization’s (IMO) Tier III regulations without need of secondary emissions cleaning while using either LNG or LEG as fuel.  The engines have the capability ...

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GE Marine engines receives LR approval

  GE Marine announced that its LM6000 aeroderivative marine gas turbine PC and PG models have received Lloyd’s Register’s Design Appraisal Document to the Marine Naval Vessel Rules (NVR). The LM6000 is the most fuel-efficient simple-cycle gas turbine in its size class, delivering over 40% thermal efficiency. The GE LM6000PC marine produces 42 megawatts (MW)/59,900 shaft horsepower (shp) and the more powerful PG model has an output of 52 MW/70,275 shp. “With the LM6000 Lloyd’s Register’s Design Appraisal to Naval Vessel Rules obtained, GE offers customers gas turbine-based propulsion solutions for a myriad of additional marine applications including military combatants,” said Brien Bolsinger, Vice President, Marine Operations, GE Marine. “The LM6000 already has a reliable track record in marine and industrial service logging more than 21 million operating hours. Over 1,110 PC models are used for land-based power generation, driving LNG compressors and on marine floating production storage and offloading ships, offshore platforms and power barges,” Bolsinger added. Both LM6000 models produce low emissions, can operate on a variety of fuels and offer customers reduced maintenance costs, increased availability and superior reliability. Source and Image Credit: GE MarineIn the beginning, I was explicit with you propecia before and after has ...

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