... the shipowner. Weight control is not easy, especially since its consequences in terms of deadweight and stability could be disastrous. It should start right at the beginning and control throughout the design and construction phases. Marine diesel main engines (MEs) and auxiliary engines (AEs) of various power...

...Nader R. Ammar _ The present paper proposes using methanol fuel in ships to meet emissions regulations established by the International Maritime Organization. An analysis of the use of twin fuel engines operated by diesel and methanol has been conducted from environmental and cost-effective...

... snow extent, low minimum sea-ice extent, and extreme wildfires (Thoman et al. 2020). Copyright 2022, The Society of Naval Architects and Marine Engineers marine transportation sustainability united states government artificial intelligence climate change social responsibility sustainable...

... model that includes the dominant noise contributors present on merchant vessels. The model is based on Dietrich Wittekind’s prediction model and on underwater noise measurements with related Automatic Identification System (AIS) data. Additionally, the noise contribution of a two-stroke engine...

... system for the purpose of air conditioning by using the exhaust heat of a diesel engine, which is installed in the Naval Academy Mechanics Laboratory. The diesel engine is loaded with a dynamometer, and water and ammonia are used as an absorbent and refrigerant, respectively. At various diesel engine...

... of equipment and components in the accommodation area and engine room, as well as in the general arrangement of these spaces, by orienting their design toward manufacturing. All this will lead to a series of results, which demonstrate that the correct application of these changes considerably reduces...

...Shlomo Eshed Similar to the matching process between the main engine and propeller in a conventional vessel, there is a basic necessity to match main engine and waterjet in a high speed craft. Unlike the ability of the naval architect to review the overall impact of the engine and propeller...

... the results of such tests and trials. Tests are often carried without any load cells measuring the shaft power to ascertain the brake horsepower (BHP). Simply, engine rpm/ rating is used to fix the 100% maximum continuous rating (MCR) which often in the range of 105–108% MCR. Some of the parties involved...

...Rabiul Islam; Rouzbeh Abbassi; Vikram Garaniya; Faisal I. Khan Human error is a crucial factor in the shipping industry and not to mention numerous human errors occur during the maintenance procedures of marine engines. Determination of human error probabilities (HEPs) is important to reduce...

...Haakon E. Lindstad; Inge Sandaas Traditionally, offshore support vessels have been designed to ensure that they can perform their duties at nearly any sea state. This has been achieved through multiple engines and advanced dynamic positioning systems. This in combination with high safety standards...

... return one must first understand the details about how the vessel consumes propulsive energy during its mission. This article discusses a rational, simple, and effective systems engineering approach to identify power and fuel demands via computational propulsion analysis of the individual operating modes...

.... 1 5 2016 1 5 2016 2016 Society of Naval Architects and Marine Engineers decision support system marine transportation climate change risk management freight & logistics services co 2 evaluation Simulation price difference reduction decision-making process...

..., this concept has not been realized in any operational vessel. The air-augmented waterjet propulsion concept is similar to an after-burner in the aeronautical turbojet engine. The thrust augmentation results from the injection of air bubbles into the water flow, converting their expansion work òpdV...

...Michael G. Parsons; Patrick J. O' Hern; Richard W. Harkins; Samuel J. Denomy The feasibility and potential benefits of converting 10 remaining U.S. flag Great Lakes steamship bulk carriers to liquefied natural gas (LNG) propulsion using gas engines is investigated. This is the final report...

...Michael G. Parsons; Patrick J. O'Hern; Samuel J. Denomy The feasibility and potential benefits of converting 10 remaining U.S. flag Great Lakes steamship bulk carriers to liquefied natural gas (LNG) propulsion using gas engines is investigated. This is the initial report of a study that began...

... and a 730 ft MacArthur Lock, Welland Canal, St. Lawrence Seaway maxi-mum self-unloader. 1 11 2011 1 11 2011 2011. The Society of Naval Architects and Marine Engineers US government wärtsilä generator great lake self-unloader prime mover generator marine transportation iep...

... discusses designing the similar CNG fueled ships and developing the international gas-fueled (IGF) ship code in future. Finally, this paper draws conclusions and looks forward to the future practice of the CNG fueled ship. 2010. The Society of Naval Architects and Marine Engineers LNG igf code...

... and Marine Engineers 1 2 2010 1 2 2010 social responsibility biofuel specification US government renewable energy engine washington state ferry issaquah application Downstream Oil & Gas day tank blended fuel sustainable development sustainability ship production storage...

... applications, including those involving more conventional modular construction. 1 2 2004 1 2 2004 2004. The Society of Naval Architects and Marine Engineers prefabrication History productivity knowledge management hull module ship production shipbuilding engine responsibility...

...Pao Chi Pien A new hybrid piston-turbine engine is presented comprised of a power turbine driven by exhaust gas of a new 4SDI engine utilizing a new piston-cam assembly powertrain and operating on a limited-temperature compound cycle. The limited-temperature compound cycle has a prolonged...