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The engine was built by licensee Hitachi Zosen in their Araike works in Japan last year and a testing programme with factory personnel commenced in January 20111. Caption: Close up view of the SCR positioned to the left of the right hand engine in the photo above. Sauter Carbon Offset Design recently introduced the superyacht Ark Angel with a design claiming to be faster and far greener than any megayacht in her class. A new challenger for the fastest Atlantic crossing is being promoted by Maricuda Marine Technology of the UK.
Mabus has led efforts within the Navy Department to reduce the Department of the Navy’s reliance on fossil fuels. ONR continues to invest in advanced technologies to boost platform power for improved warfighter capability and to increase energy efficiency to enhance platform endurance and reduce warfighter dependence on fossil fuels. The Navy League of the United States was founded in 1902 and is a civilian organization with more than 50,000 members dedicated to educating American citizens and elected officials about the importance of sea power to U.S national security and supporting the men and women of the sea services and their families.
Maritime Energy Pavilion Floor Speaker Maritime Energy Theater Booth #213Rear Admiral David W.
Maritime Energy Pavilion Floor Speaker - InvitedMaritime Energy Theater Booth #213Rear Admiral David M.
The basic premise that led to the adaptation of this auto engine for marine propulsion was that a pair of these powerful outboards would achieve the same performance for a 45-ft powerboat as would require the fitting of four 300-hp outboards, offering considerable saving in weight, and of course drag, with only half that number of gearcases in the water. This Germany-based international company's slogan might be, 'Power corrupts; absolute power corrupts absolutely', for they are committed to provide light weight pollution-free clean boating with their range of battery-powered outboards. An ingenious remote throttle display gives constant readout of battery charge status, with (GPS enabled) speed over the ground and remaining range, as well as input power. Bagian-bagian kapal yang penting ditunjukkan dalam gambar berikut, gambar ini tidak berbeda banyak dari kapal sungai. Pada kapal penyeberangan Ro-ro masih dilengkapi dengan pintu rampa yang terletak pada haluan dan buritan kapal. Secara umum pada prinsipnya kapal penyeberangan dan kapal perairan pedalaman dengan yang kapal yang digunakan dilaut memiliki karakteristik yang sama kecuali pada bagian tertentu di mana kapal penyeberangan dilengkapi dengan sistem pintu pendarat (ramp door) untuk naik turun penumpang dan kendaraan serta pola sandar pada dermaga yang menggunakan dermaga khusus untuk kapal penyeberangan. Kapal dengan beberapa lambung ini mempunyai kestabilan yang tinggi, namun gelombang yang ditimbulkan lebih kecil sehingga merupakan kapal yang sesuai untuk dioperasikan di sungai, tetapi diperairan yang bergelombang dampaknya terhadap goyangan di kapal tinggi.
Merupakan kapal dengan lambung lancip seperti huruf V yang mempunyai hambatan yang kecil sehingga lebih hemat dalam penggunaan bahan bakar.
Lambung seperti ini dimaksudkan untuk mengurangi gesekan, berbeda dengan katamaran karena sudut bagian dalam lancip sehingga mempermudah manuver kapal. Kapal yang dibangun diatas ponton, kapal seperti ini sangat stabil, dan dapat dijalankan dengan mudah menggunakan mesin tempel atau ditarik dengan kabel untuk penyeberangan sungai. Tetapi di lain pihak, muatan yang bisa diangkut akan lebih rendah, sehingga kapal barang, tangker akan lebih sesuai untuk menggunakan bentuk lambung di datar. Pada lambung datar, stabilitas relatif lebih baik karena pada bentuk datar mempunyai momen kopel lebih besar pada sudut oleng yang sama jika dibandingkan dengan bentuk V. Bentuk lambung datar diperoleh nilai periode oleng lebih baik karena nilai momen inersia massa total kapal lebih besar dari bentuk V. Untuk daya muat yang sama, lambung datar draft lebih rendah dari lambung berbentuk V sehingga dapat berlayar di shallow water. Pada lambung berbentuk V untuk kecepatan rancangan yang sama, diperoleh besaran daya mesin yang lebih kecil dari bentuk lambung datar. Bentuk lambung V, kemampuan sea keeping dan manouvering kapal lebih baik dari bentuk lambung datar oleh karena bentuk lambung yang ramping. Kebutuhan bahan bakar untuk kecepatan mesin yang sama lebih rendah dari bentuk lambung V oleh karena nilai tahanan kekentalan (viscous resistance) lebih kecil dari bentuk lambung datar. Namun mempunyai tahanan gelombang (wave resistance) yang lebih besar karena mempunyai lebar yang lebih pada garis air muat. Lajur kulit kapal diberi nama dengan abjad a,b,c,d dan seterusnya mulai dengan lajur dasar.


Bahan moderen yang kerap digunakan dalam pembuatan kapal kecil yang banyak ditemukan dalam pelayaran pedalaman adalah serat kaca atau yang dikenal sebagai fiber-glass, yang proses pembuatannya tidak sulit, tetapi dibutuhkan cetakan kulit lambung kapal. Pada kapal sekat Tubrukan ini ditentukan letaknya yaitu 5% dari panjang kapal pada garis air dihitung dari haluan kapal. Jika terjadi kebocoran pada kapal, maka kapal dapat berlayar pelan-pelan dengan menggunakan sekat Tubrukan. Batas penguat harus ditaruh pada bagian muka sekat Tubrukan masing-masing berjarak 24”. Pada sekat belakang pada bagian lobang baling-baling harus ditambah plat yang lebih tebal 22 mm untuk menahan getaran baling-baling. Lunas adalah bagian terbawah dari kapal, lunas terdiri dari berbagai jenis yaitu lunas dasar, lunas tegak dan lunas lambung.
Kapal besar pada umumya memiliki lunas lambung yang berfungsi untuk melindungi kapal bila kandas.
Anjungan (bridge) adalah ruang komando kapal di mana ditempatkan roda kemudi kapal, peralatan navigasi untuk menentukan posisi kapal berada dan biasanya terdapat juga kamar nakhoda dan kamar radio. Anjungan biasanya ditempatkan pada posisi yang mempunyai jarak pandang yang baik ke segala arah. Pada umumnya geladak yang berada di bawah dinamakan geladak dasar sedangkan geladak yang di atas dinamakan geladak atas atau geladak utama (main deck).
Serat kaca juga digunakan untuk melapis geladak kayu agar lebih kedap air serta tahan lebih lama.
Untuk itulah maka lapisan ini biasanya terbuat dari bahan kayu teak sejenis Jati (di Indonesia) dan atau kayu Cemara.
Pada umumnya kapal memiliki satu gudang mini yang dipergunakan untuk memperlancar kegiatan deck terutama pada saat sandar dan lepas sandar. My only problem is that I use Maya for my work and when I imported the FBX file into Maya, a lot of the shaders didn't have any color information, so I had to go through a third party to collect the info.
Model and textures are the same than in 2010 file.See 'Preview' for high resolution images. On 23, March 2011, classification society ABS and Daewoo Shipbuilding & Marine Engineering (DSME) announced they had established a new methodology which will contribute to the study of the phenomenon; but before going into that, what exactly is 'sloshing'? The purpose was to commission the engine control system and optimize the integration of the SCR equipment.The engine is a six cylinder, slow speed, two stroke engine in the S46MC series with mechanical injection and camshaft operated exhaust valves. The concept is an 80 m (262 ft) wave piercing trimaran powered by twin GE LM2500 series gas turbines driving Wartsila waterjets via Renk reduction gearboxes.It is the brainchild of naval architect and Managing Director of Maricuda, David Aitken, who is no stranger to designing high speed craft.
It was a 6,200 TEU vessel with an operating speed of 21 kn but with the ability to operate at higher or lower speeds without penalties. This big outboard weighs in at 1000 lbs, with a hinged top cowl covering the horizontally-mounted GM V8 unit, re-engineered by Seven with twin-pinion gears to make the necessary right-angled turn to mate with the propellor drive shaft.Additions to the well-proven Cadillac V8 auto engine have been kept to a minimum, with the exception of a corrosion-proof stainless steel exhaust system. Lambung kapal menyediakan daya apung (Bouyancy) yang mencegah kapal dari tenggelam yang dirancang agar sekecil mungkin menimbulkan gesekan dengan air, khususnya untuk kapal dengan kecepatan tinggi. Bagi penguat yang terletak di bagian belakang kapal, masing-masing berjarak 24” dan baja siku keliling diletakkan pada bagian muka kapal. Bila antara geladak dasar dan geladak atas terdapat geladak lagi, maka geladak tersebut dinamakan geladak antara.
Lift is provided by two MAN 2842 LE201 diesels of 620 kW (831 hp), the hoverbarge can be self propelled by adding two Caterpillar powered ducted fans (air propellers) in modular propulsion units. And why is an understanding of it of such significance?Sloshing in LNG TanksSloshing (familiar to all who have walked with a half-full jerrycan) is the motion of a fluid in a partially filled tank which is also undergoing motion. It has a bore of 460 mm and stroke of 1,932 mm and develops about 7 MW at a speed of up to 129 rpm. A multi-mode solar hybrid propulsion arrangement offers flexibility in the choice of several power sources available to propel the vessel.
Seven years ago he produced the concept design of 2004 Blue Riband Atlantic Challenger, a 52m (170ft) catamaran hull, powered by twin gas turbines, however the project was abandoned following the loss of a major backer.


In association with ZF Marine the 557 offers a CAN-bus enabled disc-clutch mechanism that enables smooth, computer-controlled shifting together with a  joystick controller. MTU has established working relationships with numerous suppliers of reduction gears, propulsors (propellers, water-jets, surface drives, Z-Drives, etc.), line-shaft bearings, shaft seals and numerous other pieces of hardware allowing us to supply and integrated package to the end customer. In the tanks of large LNG ships it may become a potent force capable of causing a violent wave in certain conditions, depending on the interplay of such variables as the tank shape, the fill height and the actual motion of the ship.
The engine is destined for a general cargo carrier built at the Nakai shipyard and due to enter service in late 2011.The SCR removes NOx from the exhaust using urea as an activator.
The main system uses four 400 kW diesel electric gensets powered by Daimler Bluetec Turbo Compound DD16 engines. Integrated power steering designed by Latham Systems adds the finishing touch to a roughly $70,000 package.
The system can remove in excess of 80 per cent of the NOx based on the engine load cycle and more than 70 per cent NOx reduction on each load point in the load cycle.Further reduction of emissions in the exhaust system are achieved using Exhaust Gas Recirculation (EGR) techniques. The in-line six cylinder diesel engines displace 15.6 liters, and feature a Turbo Compound system whereby exhaust gases drive a velocity turbine to recover energy that would otherwise be lost.
The crossing will be non-stop so sufficient fuel for the entire 3,000 mile transit must be carried.
Using a combination of proprietary hardware for monitoring of propulsion diesels, along with commercial off the shelf (COTS), open architecture PLC hardware for control and monitoring of other ship systems, Callosum provides a scalable automation platform for any size of vessel.
Hence the strong interest of classification societies and LNG ship designers in the fluid dynamics of sloshing and the amelioration of its harmful effects.
BlueTec emission technology is a fully automatic system used for automotive applications to comply with the more stringent (than marine) emission regulations.
To avoid the danger of collision traveling at this high speed, a French system, Automatic Sea Vision, using ocean scanning technology keeps an electronic lookout and is able to pick up items such as sea containers, trees and of course other vessels. When off-hover, it reverts to its ship like characteristics and floats like a normal marine barge.Hoverbarge works very well where no suitable port is available, whether due to location or in the aftermath of a natural disaster having destroyed the infrastructure, for example earthquake or tsunami.
The Callosum platform uses a distributed architecture to locate data acquisition hardware close to sensors to reduce the amount of required shipboard cabling. It combines several technologies to keep emissions to a minimum, principally exhaust gas recirculation (EGR), diesel particulate filter (DPF), diesel oxidation catalyst (DOC) and selective catalytic reduction (SCR). The system uses thermal imaging cameras and software that will track up to 200 targets simultaneously.
An Exhaust Gas Recirculation (EGR) system on the engine reduces NOx emissions substantially and the addition of a Waste Heat Recovery (WHR) system improves overall efficiency. Its application in such circumstances is ideal operating a ferry service from a ship moored offshore to bring in heavy loads and supplies not just to the shoreline but can run up onto the beach to ease unloading.Hoverbarges cover a range of sizes with payloads of 50 to 2,500 tons and are built using modular construction allowing transportation by truck for local assembly on site, opening up access to inland areas. Callosum also has optional modules for embedded training, damage control and maintenance management in addition to the core integrated monitoring and control,” he says.
The SCR requires urea as an activation fluid, the approximate dosage of 2 per cent of fuel consumption is metered from a separate supply tank.
Any converging objects are identified and advance warning given so that avoidance can be undertaken at a distance. A generous lithium-ion battery capacity of 3MWh permits propulsion solely on battery electric drive. The increased beam eliminates the need for ballast water for stability and allows a shorter ship with reduced bending moment.The payback time for the increased cost of this ship with all its features is estimated to be five to eight years depending on the cost of fuel.
Other than the main engines, electric power generation is by solar cells rated at 100kWh and Motion Damping Regeneration rated at up to 100kWh. Depending on the propulsion mode(s) used, Ark Angel has an unlimited zero carbon cruising range at 10 kn, is carbon neutral for 5,000 nm at 14 kn and a top speed of 28 kn achievable using battery power only.



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