Greek Shipowners See Advantage of Fuel-Sharing Mode

Marine Equipment Products and Services — By on November 5, 2012 at 10:32 PM

A 51/60DF engine pictured on the testbed at MAN Diesel & Turbo’s Augsburg works

More LNG Carriers employing 51/60DF engines

MAN Diesel & Turbo has won the contract to supply the engines for two Greek LNG carriers (LNGCs). The installation of the MAN 51/60DF dual-fuel engines aboard the newbuildings represents an important first such reference for the company in the segment. The configuration for the new order covers 2 × 9L51/60DF + 2 × 8L51/60DF engines, a total of 34 MW installed power per vessel. All of the engines are IMO Tier II-compliant in diesel mode and will have lower exhaust-gas emissions in gas mode than IMO Tier III stipulates – fuel-sharing mode will be applied to each unit.

The customer is Athens-based Alpha Tankers and Freighters International Ltd. Both newbuildings will be 160, 000 m³ carriers and are DFDE (dual-fuel diesel electrical)-driven. An option for further vessels and engines exists. Due for construction at STX Offshore & Shipping Co. Ltd. in South Korea, MAN Diesel & Turbo reports that engine delivery for both vessels is due in the fourth quarter of 2013 with vessel delivery to follow in 2014 and 2015. The engines will be built at MAN Diesel & Turbo’s Augsburg plant in Germany. Fuel-sharing mode The order is the first LNGC new build globally with fuel-sharing capability.

This is a successful concept that was originally developed for MAN Diesel & Turbo’s MAN B&W ME-GI type, a gas-injection two-stroke dual-fuel diesel engine. The company’s LNG sales team, based in Augsburg, Germany has promoted this special feature since 2009 with a special focus on LNG carrier applications. To optimise the carriers’ fuel flexibility in fuel-sharing mode, the dual-fuel engines can burn both gaseous and liquid fuels simultaneously. This will prove especially beneficial during ballast voyages where the volume of generated, natural boil-off gas is significantly lower than on a laden voyage.

About MAN Diesel & Turbo

MAN Diesel & Turbo SE, based in Augsburg, Germany, is the world’s leading provider of large-bore diesel engines and turbomachinery for marine and stationary applications. It designs two-stroke and four-stroke engines that are manufactured both by the company and by its licensees. The engines have power outputs ranging from 450 kW to 87 MW. MAN Diesel & Turbo also designs and manufactures gas turbines of up to 50 MW, steam turbines of up to 150 MW and compressors with volume flows of up to 1.5 million m³/h and pressures of up to 1, 000 bar. The product range is rounded off by turbochargers, CP propellers, gas engines and chemical reactors. MAN Diesel & Turbo’s range of goods includes complete marine propulsion systems, turbomachinery units for the oil & gas as well as the process industries and turnkey power plants. Customers receive worldwide after-sales services marketed under the MAN PrimeServ brand. The company employs around 14, 000 staff at more than 100 international sites, primarily in Germany, Denmark, France, Switzerland, the Czech Republic, India and China. MAN Diesel & Turbo is a company of the Power Engineering business area of MAN SE.

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