News | EQUIPMENT
Engines More orders for
Wärtsilä kits Wärtsilä has signed a contract with the United Arab Shipping Company (UASC) to refit eight of its container vessels with Wärtsilä Slow Steaming Upgrade Kits. These vessels, all equipped with 11-cylinder Wärtsilä RT-flex 96C main engines, will be retrofitted with the kits as part of the carrier’s ongoing efficiency improvement programme, which aims for significant savings in bunker costs and a considerable reduction of CO2
emissions.
ship owners, operators and charterers to increase the flexibility of their engines, permitting them to run anywhere from 10% to 100% maximum load without operational restrictions, and to decrease the risk of engine fouling and excessive component temperatures. Wärtsilä says it is now able to assess the initial
operating results for its Slow Steaming Upgrade Kit. For an 8-cylinder Wärtsilä RTA62U engine, fuel savings of up to 6-10g/kWh in the optimal load range have been achieved, the company states, while on a 12-cylinder Wärtsilä RTflex96C engine equipped with three turbochargers the measured fuel savings of 8-12g/kWh were slightly higher, because the achievable savings are related to the number of turbochargers. Since installation the vessels have been running successfully, and the customers have had the flexibility of choosing whether to slow steam or not. Contact Wärtsilä Corporation, John Stenbergin ranta 2, FI-00531, Helsinki. Tel +358 10 709 0000 Fax +358 10 709 5700
www.wartsila.com
Ancillary equipment New LDM from
Jazan is one of the UASC vessels to which the Wärtsilä Slow Steaming Upgrade Kit will be fitted.
“Te Slow Steaming Upgrade Kit both extends the
load range of the engine for continuous operation, and significantly reduces BSFC (brake specific fuel consumption) in the low-load range,” explains Andreas Wiesmann, strategic business development manager, Wärtsilä Switzerland. Te Wärtsilä Slow Steaming Upgrade Kit also helps
Chris Marine Sweden’s Chris-Marine AB has launched a new Liner Diameter Measurement instrument (LDM) that is intended to facilitate the task of engineers investigating the condition of cylinder liners in 2-stroke engines. The main advantage claimed by Chris-Marine
for the new LDM is that it avoids the need for the cylinder head or exhaust valve housing to be removed. By replacing the traditional internal micrometer, the LDM can be inserted in the liner through the scavenging ports, saving a considerable amount of time.
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Shiprepair and Conversion Technology 2nd Quarter 2010 9
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