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Wartsila, the marine industry’s leading solutions and services provider, has now sold more than 2000 of its gas fuelled engines, which together have accumulated more than 7 million operational running hours in both land-based and marine applications.
Wartsila began development work with dual-fuel gas engines in 1987, the first concept being the gas-diesel (GD) engine with high-pressure gas injection.
The DF technology enables the engine to be operated on either natural gas, light fuel oil (LFO), or heavy fuel oil (HFO). In late 2010, Wartsila initiated a major project to extend its leadership in dual-fuel engines by adapting its low pressure gas engine technology for use in its low-speed engine portfolio. The resulting tests with the low pressure 2-stroke dual-fuel engine have successfully demonstrated that, for the first time ever, low-speed engine performance can fully comply with the IMO Tier III nitrogen oxide (NOx) limits when operating on gas. Wartsila’s low pressure 2-stroke gas engine is scheduled for release during 2013 and will be available for commercial use in 2014.
Natural gas is the alternative fuel that offers the greatest potential for complying cost-effectively with the International Maritime Organisation’s (IMO) upcoming environmental regulations. While running on gas, Wartsila’s dual-fuel low pressure engines require no additional equipment, such as exhaust gas after treatment, to meet the IMOs Tier III NOx regulations. Since the first Wartsila 50DF engines were fitted onboard LNG carriers some ten years ago, approximately 65 per cent of all new LNG carriers have been fitted with Wartsila dual-fuel engines. In addition to this success, Wartsila gas and dual-fuel engines are becoming the propulsion choice throughout all segments of the shipping industry.
With the acquisition of Hamworthy, Wartsila’s offering now includes small scale LNG liquefaction, regasification and LNG fuel systems. Posted on November 12, 2012 with tags 2000, Engines, Finland, gas, More, News, Sold, Wartsila.
Wartsila has signed a long-term technical management agreement with Harvey Gulf International Marine. Wartsila plans to divest its shares in the Qingdao Qiyao Wartsila MHI Linshan Marine Diesel Co.
Wartsila said on Wednesday that its order intake has decreased 1% to EUR 4,872 million in 2013.
Wartsila is inaugurating its new test facility for future propulsion products and technology. The Wartsila-Sulzer RTA96-C turbocharged two-stroke diesel engine is the most powerful and most efficient prime-mover in the world today. Once you have plenty of fuel running to through your system it's time to use all that extra exhaust that is being created to turn a bigger turbo. Okay, challenge: Get it to turn at 30,000 rpm, put it on a Motorcycle frame, and race the hell out of it!
Correction: Diesel engines cannot run on petrol or jet fuel - car diesel engines are routinely destroyed when this mistake is made. I work on these type of engines, although the one I worked on was only an 8 cylinder, and you don't have to switch over from HFO to Diesel oil to shut down and start up, although you do have to switch over fuel types when entering special areas, where pollution limits are less.
Wartsila, the marine industry’s leading solutions and services provider, has been contracted to supply the power system for four new diesel-electric powered tugs being built for Svitzer Australia Pty Ltd. Each of the four 80 Ton Bollard Pull (TBP) harbour tugs will be fitted with two 9-cylinder and one 8-cylinder in-line Wartsila 20 engines.
Wartsila has earlier supplied integrated propulsion solutions for two Svitzer Tier III compliant ECOtugs. Posted on August 16, 2012 with tags engines, europe, Finland, four, New, News by topic, Svitzer, Tugs, Wartsila. Wartsila’s consultation process with employee representatives in Finland has been concluded.
The conference aims to bring together key decision makers in the industry to discuss modern methods of port security and provide effective learning experiences for all delegates through the carefully selected expert speaker line up.
Interacting with delegates from across the globe and hearing from industry leading experts will ensure delegates are up-to-date with high priority information that enables you to best secure your seaports, civilians and means of trade. Topics to be discussed include terrorism, cyber terrorism, emergency intervention procedures, optimising technology use in security checks and case studies featuring some of the largest ports across the world. This latest order further strengthens Wartsila’s leading position as a supplier of engines for LNG carriers. So far the company has supplied over 150 ships with its 4-stroke, low pressure dual fuel engines. The engines are to be built by a Korean licensee with delivery expected in the first quarter of 2016. Waste heat from auxiliary marine diesel engines had not been considered much worth thinking about in the past, but times change; a significant amount of energy can now be utilised from the auxiliaries to supplement steam requirements during port stays, and also for some vessels during voyage.
With its small footprint and the lowest possible weight to output ratio, the Aalborg XS-TC7A economiser optimises the use of waste heat from the auxiliary engine exhaust gases during voyage and port stays. SEAHORSE 41 – (41,000 DWT) is the new Handy size design and is based on same concept ideas as the famous and successful SEAHORSE 35 and 375, but with slightly enlarged dead weight.
SEAHORSE 41 is laid out with 5 flush double skinned cargo holds, wide hatches and no hopper tanktops, thereby ensuring easy access and storage of cargo in all cargo holds. The decision by the Latvian Navy for the SWATH concept was made due to the extraordinary seaworthiness of these boats. The naming ceremony of the ship ALEKSEY CHIRIKOV was held according to old traditions at Helsinki Shipyard. After delivery, which took place before the Authorities, Guests, Top Management, Yard Workmen and the Shipping Company with their families, the UNBEATABLE sailed out of the Port of Ravenna for Aberdeen, Scotland, where it will provide support and assistance to offshore platforms in the North Sea.
With the new class 130- corvettes expands the German Navy significantly their range of applications. The armament consists of: 1 Otobreda 76 mm gun, 2 MLG 27 mm autocannons, 2x 21 cell RAM launcher, 2 cell launcher with RBS-15 Mk.


Engines of this type are being installed in the US Navy’s new class of frigate-sized 416-ft long 44-knot Littoral Combat Ships (LCS). At the heart of the 20V 8000-Series success is proven performance coupled with state of the art technology that includes Common Rail Fuel Injection (CR). The deep water of Lake Kivu on the Congolese-Ruanda border contains large quantities of methane and carbon dioxide. But the methane gas also provides an accessible and renewable energy resource to the Kivu region, valued at tens of billions of dollars. This innovative power generating project will also reduce gas levels in Lake Kivu significantly, lessening the risk of a potentially catastrophic lake eruption. The impressive figure of 136 Becker Mewis Ducts® currently in operation means a reduction of 250,000 t of CO2 by March 2013. The Becker Mewis Duct® is a highly-efficient energy-saving device developed, manufactured and distributed by Becker Marine Systems. Since the start of the restructuring process, the number of personnel has decreased and will decrease in near future, through natural attrition and retirements, therefore, the total target for job reductions will be achieved.
The employee reductions in Finland are a part of the group-wide efficiency program initiated in January to secure future profitability and competitiveness.
Posted on March 19, 2014 with tags consultation, Employee, europe, finishes, Finland, News by topic, process, Wartsila.
Wartsila has started a process to realign its organisation to secure future profitability and competitiveness.
Wartsila has started a process to realign its organisation to secure future profitability and competitiveness.
Rolls-Royce has confirmed that it was in talks with Wartsila regarding a possible offer for the company.
These milestone achievements emphasise the leading global position that Wartsila has achieved in gas and dual-fuel (DF) engine technology.
With fuel costs and environmental compliance being the key issues currently facing owners and operators throughout the marine sector, the use of gas as fuel makes a lot of sense.
These milestone achievements in the number of gas and DF engines sold, and the running hours accumulated, provide even more evidence of this viability,” says Alexandre Eykerman, Sales Director, Wartsila Ship Power. This was followed by the second generation of gas engines in the early 1990s, when the company introduced spark-ignited (SG) pure gas engines utilizing low pressure gas.
Switching between fuels can take place seamlessly during operation, without loss of power or speed. Subsequently, a new test engine, the ‘RTX-5‘ ,based on a commercially available 6-cylinder RT-flex50 engine, was installed in the Trieste engine laboratory in Italy in March 2011. In particular, dual-fuel engine installations offer the flexibility to use clean natural gas when operating in Emission Control Areas (ECAs), and conventional fuels when not.
At the beginning of this year, a key milestone was reached when the Wartsila 50DF engine was supplied to the 100th LNG Carrier vessel. This is particularly the case where ships, such as tugs, ferries and cruise liners, are frequently operating in ECAs.
Combined with Wartsila’s gas and dual-fuel engine technologies, this expanded scope of supply further promotes the benefits of LNG use and creates added operational flexibility. The Aioi Works of Japan 's Diesel United, Ltd built the first engines and is where some of these pictures were taken.. What we call Diesel fuel is only what's commonly rated for consumer cars with diesel engines, but diesel engines have been built to run on everything from propane to coal dust, making them far more flexible than spark-fired internal combustion engines. This is a diesel engine that is designed to run on much less refined oil than your average car. When it comes to upgrading your turbo you have several options including, ball bearing, stainless steel, waste gated or non waste gated, variable vein or not. The contract again represents confirmation of Wartsila’s ability to meet the demands for operational economy and environmental sustainability set for modern vessels in different shipping segments. The vessels are being built at the ASL shipyard in Singapore and are scheduled to be in operation by early 2014. The use of the Wartsila 20 engines as diesel-electric generating sets is a new development in the tugs market. The tugs will be equipped with batteries that allow power from the Wartsila generating sets to be stored for later use. This contract represents further evidence of Wartsila’s strength in meeting these demands, and further emphasises our ability to offer sophisticated diesel-electric machinery solutions for this particular sector of the marine industry,” says Aaron Bresnahan, Vice President, Wartsila Ship Power Specials. The Wartsila 20 offers low exhaust gas emissions, low operating costs, fuel economy across the entire engine operation range, and high redundancy,” says Bresnahan. Our diverse range of topics will allow delegates to learn best practices for port security and understand further how other ports are resolving core challenges. Become an IMPA Member to receive a paper version of the magazine or simply register here for a digital subscribtion. When used in combination with a waste heat recovery system installed after the main engine, the Aalborg XS-TC7A contributes to significant reductions in oil consumption on the oil-fired boiler under most load conditions. The vessel size in the Handy size segment has gradually increased from below 30,000 ton and with Grontmij latest SEAHORSE 41 design, deadweight exceeds 40,000 ton. Easy cargo hold cleaning and short turn-around time is achieved by the complete flush cargo holds and effective cargo hold cleaning by portable washing machines.
With this redundant propulsion the speed is around 20 knots.These worldwide first patrol boats in SWATH-design have been built according to regulations of classification society Germanischer Lloyd. The vessel will be delivered to the largest Russian shipping company Sovcomflot the next week and it will continue its path straight to Sakhalin area in Far East Russia, where it will service the Arkutun-Dagi oil and gas field. The ceremony took place in the presence of rear admiral Michael Mollenhauer, officer-in –charge of the navy command in Rostock.


In the Freedom-class LCS variant USS Independence a pair of 8000-Series engines provide power in a diesel and gas turbine (CODAG) main propulsion system combined with two GE LM2500  gas turbines to drive four water-jet pumps.
On this engine, unlike the smaller 4000 Series which has a rigid fuel accumulator (CR) for each row of cylinders, the 8000 Series engine has a separate accumulator for each cylinder located in the vicinity of the injector.
The reserves of methane are estimated to be 65 km3 (65 billion cubic metres) and carbon dioxide reserve 255 km3. The duct is placed in front of the propeller for the purpose of improving water flow to the propeller and increasing propeller efficiency.
Since the first installation at the beginning of this year seven 7,100 TEU container vessels have been equipped with the Becker Twisted Fin®, reducing the use of energy by up to 3% on a daily basis. The majority of the redundancies will take place in Vaasa and the reduction measures are expected to be completed by the end of May. The program targets annual savings of EUR 60 million and is expected to lead to a reduction of approximately 1,000 employees globally.
Wartsila has been involved in a number of feasibility studies to evaluate the total cost of ownership using gas as a fuel alternative. The real breakthrough, however, came when the dual-fuel (DF) engine was introduced by Wartsila in 1995. Also, offshore oil and gas industry vessels such as Floating Production Storage & Offloading (FPSO) ships and Platform Supply Vessels (PSVs), which have a need for flexibility, fuel efficiency, and compliance with stricter environmental legislation, are increasingly being fitted with Wartsila dual-fuel engines. So any compression-ignition engine no matter what fuel is being used will always be referred to as a Diesel engine because he patented the design in the late 1800s. On the other end of the spectrum, jet fuel is super-refined oil that a diesel engine can also run on. Diesel performance - Picking out just the right turbo charger comes down to your application and personal preference so we won't go into great detail on that topic but do plenty of searching or come to our site for more information. Fresh air is drawn in through the turbo chargers, and then sent through an intercooler, and into the scavenge space, where from it can enter the cylinders as the exhaust valve opens purging the cylinder of combustion gases, and filling it with a new charge of air. Each unit being specially tailored to the individual ship and engine design taking into consideration the existing uptake back-pressure and other critical factors.The manufacturers say that their Waste Heat Recovery (WHR) concept has been developed as a customised solution with special focus on energy generation compared to return on investment. Then, last year Tognum further increased the appeal of the engine, upping maximum output of the IMO MARPOL Tier 2 emission compliant 20-cylinder version from 9,100 kW to 10MW. This arrangement facilitates a smaller overall engine width and optimum progression of combustion, reducing the interplay between the injectors and the pressure fluctuations in the fuel pumps. With two million people living in the basin of the much larger Lake Kivu, this represents a mega-disaster waiting to happen. As a result of the negotiations, the redundancy need has been confirmed to be 142 permanent employees. The employees who will leave the company as a consequence of the consultation negotiations will be offered support and consultation as well as assistance in re-employment.
This third generation of gas engine development resulted in the ability to combine fuel flexibility and efficiency with environmental performance. The big names you will see throughout the industry include, Industrial Injection, HTT, Turbonetics, ATS and many more. They envisage a very short payback time of around to 4-6 months in optimum cases, but normal payback time is calculated to be nearer a year to 18 months, depending on the number of days the produced steam can be utilised (offset against the steam requirement from the oil fired boiler) and whatever redundancy arrangements are required.
The new engine type has extremely long stroke, which in combination with the enlarged NPT propeller provides very high propulsion efficiency. The washing water can be pumped to the washing water holding tank, ensuring that the cargo hold washing can be done alongside. In opposition to the German Pilot Tender basic design, which feature each a diesel-electric drive, these patrol boats are clear diesel-mechanical drives.
The BRAUNSCHWEIG is eponym for the whole corvette quintet, which cost in total about 1.2 billions EURO.
By this means only two HP pumps are required to generate the substantial pressure and the necessary flow volume for the entire engine.
Combined with a Becker Rudder, the improvements in propulsion and fuel saving was able to be enhanced up to 8%.
These features combined with energy saving device from Becker Marine Mewis Duct result in very low fuel consumption. The two MTU engines have been chosen because of their well-known performances in military applications world-wide. The EEDI (Energy Efficiency Design Index) is 14.4 % below the IMO baseline, which proves the high efficiency of the vessel. Even at its most efficient power setting, the big 14 consumes 1,660 gallons of heavy fuel oil per hour. A long piston rod then connects the crosshead to the piston.I assume this is done so the the sideways forces produced by the connecting rod are absorbed by the crosshead and not by the piston.
Those sideways forces are what makes the cylinders in an auto engine get oval-shaped over time. Crank rod journals are 38 in diameter and 16 wide:The crank sitting in the block (also known as a "gondola-style" bedplate). The large square plate at the bottom is where the whole assembly attaches to the crosshead:The "spikes" on the piston rods are hollow tubes that go into the holes you can see on the bottom of the pistons and inject oil into the inside of the piston which keeps the top of the piston from overheating. Some high-performance auto engines have a similar feature where an oil squirter nozzle squirts oil onto the bottom of the piston.The cylinder deck (10 cylinder version).



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