programme MAN Energy Solutions

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Contents MAN B&W Two-Stroke Propulsion Engines Fuel oil and GI dual fuel engines Alternative fuels Tier II and Tier lll MAN B&W Two-Stroke Propulsion Systems MAN Four-Stroke Propulsion Engines MAN Four-Stroke Marine GenSets S.E.M.T. Pielstick Four-Stroke Mechanical and Diesel Electric Propulsion Engines MAN Four-Stroke Propulsion Systems MAN Turbochargers and Exhaust Gas Systems Contacts Headquarters International Group Companies Licensees

MAN ECO CONTROL Rely on our solutions to optimize your performance We offer a range of technologies and services designed to enhance the sustainability of your ships. Our portfolio of especially developed solutions helps you lower emissions, increase efficiency and make operation more flexible and reliable.

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Propulsion Engines

MAN B&W Two-Stroke Propulsion Engines MAN Energy Solutions Tier II and Tier III Engine Programme The two-stroke engines in this programme are either: Tier II engines complying with IMO Tier II ier III engines complying with Tier II when operated in Tier II mode and T with Tier III when operated in Tier III mode Latest updates on engine development and options are available at: www. marine.man-es.com → Two-Stroke → Market Update Notes (MUN) Engine Type Designation To ensure that the engine designation describes the engine with regard to the fuel injection concept and applied Tier III technologies,...

MAN B&W Two-Stroke Propulsion Engines CEAS and Turbocharger Selection (TCS) CEAS and TCS applications include all available Tier II, Tier III technologies and dual fuel options. These applications include all available engines and variants, and specifications can be further investigated with respect to basic data essential for the design and dimensioning of a ship's engine room (CEAS) and applicable turbochargers (TCS). CEAS and TCS are available at: www.marine.man-es.com ^ Two-Stroke under CEAS Engine Calculations and Turbocharger Selection. In CEAS and TCS, all engines in this programme can...

MAN B&W Two-Stroke Propulsion Engines Tolerances The energy efficiency design index (EEDI) has increased focus on part-load SFOC. Therefore, we offer the option of selecting the SFOC guarantee at a load point in the range from 50% to 100%. It is recommended that the SFOC guarantee point should be limited to the range 50% to 85% for partload or low-load tuning methods. When choosing an SFOC guarantee at or below 100%, the tolerances, adjustment and calibration at 100% will affect engine running at the lower SFOC guarantee load point. This includes tolerances on measurement equipment, engine process...

MAN B&W Two-Stroke Propulsion Engines and a slight change in SFOC. It is not possible to apply tuning methods (part- or low-load) when making such a conversion. Fuel Consumption and Optimisation Possibilities for Tier II Engines Various optimisation possibilities for improved part-load and low-load SFOC are available for the MAN B&W type engines. High-load optimisation is for best possible SFOC at 100% engine load. Optimisation of SFOC in the part-load range (50-85%) or low-load range (25-70%) requires selection of the EGB (exhaust gas bypass) tuning method. Also high-pressure tuning (HPT) is...

MAN B&W Two-Stroke Propulsion Engines In dual fuel mode, the pilot fuel consumption amounts to 1.5% for GI and GIE, 3% for LGIP and 5% for LGIM mass-based pilot liquid fuel of L1 rating (SPOC = specific pilot oil consumption) and gas fuel (SGC = specific gas consumption). GI and GIE engines are also available in fuel oil mode optimised versions where the fuel consumption consists of 3.0% mass-based pilot liquid fuel of L1 rating. The following fuel consumption figures are shown in the tables for dual fuel engines: dual fuel mode with distribution of SGC and SPOC fuel oil mode All types of GI...

MAN B&W Two-Stroke Propulsion Engines Tier III technologies are designed for either low-sulphur fuels (<0.1%) or high-sulphur fuels (>0.5% and <3.5%) in Tier III operation. In Tier II operation, the engine is in all cases capable of using fuels with a high sulphur content. The fuel sulphur content must be selected at engine order as it impacts the engine design. Fuel consumption guarantees can be given for engines for both Tier II and Tier III mode. EGR Two EGR-matching concepts are available depending on engine bore: EGRTC: T/C cut-out matching for ME engines with bores ≥ 80 cm and more than...

MAN B&W Two-Stroke Propulsion Engines SCR Two SCR concepts are available: ■ HPSCR: High-pressure SCR with reactor installed upstream the turbocharger(s) ■ LPSCR: Low-pressure SCR with reactor installed downstream the turbocharger(s) SCR operation applies to ME and ME-B engines, including engine types with dual fuel. For some large-bore engines (bore > 90 cm) with a high cylinder number, HPSCR is only available on special request. The SCR system must be supplied by an approved supplier. Application of High-Sulphur Fuels and SOx Scrubbers All two-stroke engines in the MAN Energy Solutions marine...

MAN B&W Two-Stroke Propulsion Engines Lubricating Oil Consumption The system oil consumption varies according to engine sizes and, operational and maintenance patterns. Specific Cylinder Oil Consumption Alpha ACC (Adaptive Cylinder-oil Control) is the lubricating mode for MAN B&W two-stroke engines that involves lube dosing proportional to the engine load and to the sulphur content in the fuel being burned. Our general strategy is: Use low-BN oil for low-sulphur fuels Use high-BN oil for high-sulphur fuels Dosage: Low-sulphur fuels: min. 0.6 g/kWh High-sulphur fuels: typically 0.3 g/kWh × %S...