Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"MARINE ENGINES"”.
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The efficiency of marine engines
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1876
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Characterization of in-use emissions from marine engines
Recently, exhaust emissions from marine engines have become a cause of growing concern. Emission reduction technologies applicable to marine engines need to be developed and tested so that the emission regulations can be met. A review of emission reduction technologies applicable for marine engines …
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Emissions testing of two recreational marine engines with water contact in the exhaust stream
Recreational marine engine operation effects water quality as well as air quality. Significant quantities of hydrocarbons are discharged into the rivers, lakes, and estuaries used as recreational boating waters. In order to investigate the impact of recreational marine engine operation on water …
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CFD modelling and investigation of two-stroke dual-fuel marine engines with high pressure gas admission
… and high efficiency, the large two-stroke marine engines are widely used by the merchant ships. However, as the conventional two-stroke diesel engines suffer from the high pollutants emissions, the dual fuel versions burning natural gas and pilot fuel to initiate combustion is an …
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Design and Evaluation of a Marine Scrubber System
… nitrogen (NOX) emissions regulations for diesel marine engines are resulting in the development of newer engines with inherent NOX emissions reduction technologies. With typical useful service lives over 20 years, older diesel marine engines are producing disproportionate amounts of NOX emissions …
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Casting a one-lunger Atlantic marine engine
Fabrication of a one-lunger Atlantic marine engine for the purposes of developing a curriculum for an advanced fabricating and machining class for the Papplardo Apprentices at MIT. One-lunger marine engines greatly influenced the fishing cultures of Nova Scotia at the turn of the 20th century. …
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Reverse-engineering a naturally-aspirated Lunenburg Foundry carburetor
… a well-known manufacturer for early 20th century marine engines made famous by its Atlantic Marine Engine. This engine revolutionized the fishing industry along the Atlantic coast of Canada by creating a sort of "iron sail" for fisherman and sailors. The goal of this thesis is to reverse-engineer …
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Modeling and fabrication of an Atlantic marine engine
… CAD models for the one-lunger Atlantic marine engine cylinder and manifold were developed from original engineering drawings, and the corresponding patterns and core molds for casting designed. The viability of CNC milled high-density foam for fabricating complex casting patterns and …
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Corrosion and abrasion of rings and liners from marine diesel engines using residual fuel
… abrasion and corrosion on rings and liners from marine diesel engines using high sulphur residual fuels. Pure corrosion effects were simulated in a sealed vessel containing emulsified lubricant and acid. Graphite was found to stimulate corrosion of ferrite but phosphide eutectic and iron carbide …
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Conversion of Saline Water to Fresh Water Using Air Gap Membrane Distillation (AGMD)
… the seawater that is used as coolant for marine engines. For this type of application, the AGMD system was provided with multistage to ensure efficient use of available energy. An AGMD system has been developed and its operation under single stage and multi stage mode has been investigated …
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ΣΥΣΤΗΜΑΤΑ ΔΙΑΓΝΩΣΗΣ ΛΕΙΤΟΥΡΓΙΑΣ ΣΕ ΝΑΥΤΙΚΕΣ ΜΗΧΑΝΕΣ DIESEL
THIS DISSERTATION DESCRIBES THE METHOD DEVELOPED TO ESTIMATE THE OPERATIONAL BEHAVIOUR OF DIESEL ENGINE UNDER FAULT AND IDENTIFY THE FAULT WHEN THE DIESEL ENGINE OPERATIONAL CONDITION IS KNOWN. THIS DIAGNOSTIC METHOD BASED ON THE COMPARISON WITH CHARACTERISTIC CONSTANTS WHICH DESCRIBE THE GEOMETRY …