Tuesday, April 10, 2018


Major developments in two-stroke and four-stroke engine designs for propulsion and auxiliary power drives in the 5 years since the publication of the eighth edition of Pounder’s Marine Diesel Engines call for another update.This ninth edition reflects the generic and specific advances made by marine engine designers and specialists in support technologies—notably turbocharging, fuel treatment, emissions reduction and automation system which are driven by: ship designer demands for more compactness and lower weight; ship-owner demands for higher reliability, serviceability and over all operational economy; and shipbuilder demands for lower costs and easier installation procedures.A historical perspective logs the nautical milestones over the first century of marine diesel technology, which closed with the emergence of electronically controlled low-speed designs paving the path for future so-called ‘Intelligent Engines’. Development progress with these designs and operating experience with the escalating number in service are reported in this new edition.Since the last edition, increasing interest in dual-fuel (DF) and gas engines for marine and offshore industry applications is reflected in an expanded chapter.The specification of DF medium-speed diesel machinery for LNG carrier new building projects in 2002 marked the ousting of steam turbine propulsion from its last bastion in commercial shipping. A growing number of these DF electric installations are now entering service, alongside direct-coupled low-speed engine-powered LNG carriers equipped with boil-off gas reliquefaction plant.Controls on exhaust gas emissions particularly nitrogen oxides, sulphur oxides and smoke continue to tighten regionally and internationally, dictating further responses from engine designers exploiting common rail fuel systems,emulsified fuel, direct water injection and charge air humidification. These and other solutions, including selective catalytic reduction and exhaust gas recirculation systems, are detailed in an extended chapter.Also extended is the chapter on fuels, lube oils and the problems of contamination, which includes information on low sulphur fuels, new cylinder and system lubricants, and cylinder oil-feed system developments.Marine gas turbines, specified for some cruise ship and fast ferry propulsion projects from the late 1990s, have seen their competitiveness undermined by rising fuel prices in recent years. The relevant chapter, introduced in the last edition,has been revised to cover design refinements and significant installations.The traditional core of this book reviews of the current programmes of the leading low-, medium- and high-speed engine designers—has been thoroughly updated. Details of all new designs and major modifications to established models introduced since the last edition are provided, along with service experience with the most popular designs. Technically important engines no longer in production but still encountered at sea justify their continued coverage.In preparing the new edition the author expresses again his gratitude for the groundwork laid by the late C.C. Pounder and to the editors of the sixth edition, his late friend and colleague Chris Wilbur and Don Wight (whose contributions are respectively acknowledged at the end of sections or chapters by C.T.W. and D.A.W.).In an industry generous for imparting information on new developments and facilitating visits, special thanks are again due to MAN Diesel, W?rtsil? Corporation, Caterpillar Marine Power Systems, ABB Turbo Systems, the major classification societies, and the leading marine lube oil groups. Thanks again also to my wife Shelley Woodyard for her support and assistance in this project.tinue to provide a useful reference for marine engineers enginebuilders and ship operators.

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