| 词条 | Wärtsilä-Sulzer RTA96-C | ||||||||||||||||||||||||||||||
| 释义 |
| name = RT-flex96C | image = | manufacturer = Wärtsilä | aka = | production = 2006-present | predecessor = | successor = | configuration = Straight-14 | displacement = | bore = | stroke = | block = | head = | valvetrain = | compression = | supercharger = | turbocharger = | fuelsystem = | management = | fueltype = heavy fuel oil | oilsystem = | coolingsystem = | power = {{convert|80080|kW}} | specpower = | torque = | length = {{convert|26.59|m|0}} | width = | height = {{convert|13.5|m|0}} | diameter = | weight = over 2,300 tons }} The Wärtsilä RT-flex96C is a two-stroke turbocharged low-speed diesel engine designed by the Finnish manufacturer Wärtsilä. It is designed for large container ships that run on heavy fuel oil. Its largest 14-cylinder version is {{convert|13.5|m|0|lk=on}} high, {{convert|26.59|m|0|abbr=on}} long, weighs over 2,300 tons, and produces {{convert|80080|kW||abbr=on}}. The engine is the largest reciprocating engine in the world. The 14-cylinder version was put into service in September 2006 aboard the Emma Mærsk. The design is like the older RTA96C engine, but with common rail technology (in place of traditional camshaft, chain gear, fuel pump and hydraulic actuator systems). This provides maximum performance at lower revolutions per minute (rpm), lower fuel consumption and lower harmful emissions levels. The engine has crosshead bearings so that the always-vertical piston rods creates a tight seal under the pistons. Consequently, the lubrication of the engine is split: the cylinders and the crankcase use different lubricants, each being specialised for and dedicated to its role. The cylinders are lubricated by continuous timed injection of consumable lubricant, formulated to protect the cylinders from wear and to neutralise the acids formed during combustion of the high-sulfur fuels commonly used. The crosshead design reduces sideways forces on the piston, keeping diametral cylinder liner wear down to about 0.03 mm per 1000 hours.[1] As a piston descends, it compresses incoming combustion air for the adjacent cylinders. This also serves to cushion the piston as it approaches bottom dead centre, thereby removing some load from the bearings. The engine is uniflow-scavenged by way of exhaust valves that are operated by electronically controlled hydraulics, thus eliminating the camshaft. As of 2006, more than 300 RT-flex96C engines and older RTA96C engines were in service or on order.[2] Technical data (as of 2008)
See also
References{{notelist}}1. ^1 Hanlon, Mike. Most powerful diesel engine in the world GizMag. Accessed: 24 February 2011. 2. ^{{cite press release|title=The world's most powerful Engine enters service|publisher=Wärtsilä Corporation|date=2006-09-12|url=http://www.wartsila.com/en/press-releases/worlds-most-powerful-engine-enters-service}} 3. ^{{cite web |url= http://www.wartsila.com/Wartsila/docs/en/ship_power/media_publications/brochures/product/engines/rtac_tr.pdf |title= RTA-C Technology Review |publisher= Wärtsilä |date= 2004 |deadurl=unfit |archiveurl= https://web.archive.org/web/20051226062109/http://www.wartsila.com/Wartsila/docs/en/ship_power/media_publications/brochures/product/engines/rtac_tr.pdf |archivedate= December 26, 2005 |page= 23}} External links
4 : Wärtsilä|Two-stroke diesel engines|Marine diesel engines|Products introduced in 2006 |
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