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1. |
Record Nr. |
UNISA996309148403316 |
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Autore |
Martelli Michele |
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Titolo |
Marine propulsion simulation / / Michele Martelli; managing editor, Elisa Capello; language editor, Mary Boyd |
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Pubbl/distr/stampa |
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Warsaw, [Poland] ; ; Berlin, [Germany] : , : De Gruyter Open, , 2014 |
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©2014 |
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ISBN |
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Descrizione fisica |
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1 online resource (112 pages) : illustrations; digital, PDF file(s) |
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Classificazione |
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Disciplina |
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Soggetti |
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Ship propulsion - Simulation methods |
Ship propulsion |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Bibliographic Level Mode of Issuance: Monograph |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Front matter -- Contents -- 1 Introduction -- 2 Ship Dynamics -- 3 Ship Propulsion Plant -- 4 Propulsion Control -- 5 Motion Equations -- 6 Propeller & Pitch Change Mechanism -- 7 Rudder -- 8 Validation -- 9 Conclusions -- Acknowledgement -- Nomenclature -- Appendix -- Bibliography -- Index |
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Sommario/riassunto |
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The propulsion system behaviour is a key aspect for the overall dynamics of a ship. However, despite its great importance, numerical methodologies for detailed investigations on marine propulsion dynamics are not yet widely covered in scientific literature. This book presents the main steps for the development of a multi-physic simulation platform, able to represent the motions of a twin screw ship in six degrees of freedom, taking into account the whole propulsion system and automation effects. A number of mathematical sub-models had been developed and calibrated by a set of experimental tests, in model and full scale. Finally, the sea trials campaign of a ship is used to validate and tune the developed simulator. The proposed simulation methodology can be used in the ship preliminary design phase, in order to plan and test the propulsion system and automation. Further applications can include the design optimization and crew training. |
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2. |
Record Nr. |
UNINA9910828084603321 |
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Titolo |
The potential consequences of public release of food safety and inspection service establishment-specific data / / Committee on a Study of Food Safety and Other Consequences of Publishing Establishment-Specific Data, Board on Agriculture and Natural Resources, Division on Earth and Life Studies, National Research Council of the National Academies |
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Pubbl/distr/stampa |
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Washington, District of Columbia : , : National Academies Press, , 2011 |
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©2011 |
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ISBN |
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0-309-22468-3 |
0-309-22466-7 |
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Descrizione fisica |
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1 online resource (114 p.) |
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Disciplina |
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Soggetti |
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Food adulteration and inspection - United States - Information resources |
Food industry and trade - United States - Safety measures |
Food industry and trade - Risk management - United States |
Disclosure of information - United States |
Government information - United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references. |
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Nota di contenuto |
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Background -- Transparency and food safety and inspection service data-sharing -- Experience with public posting of government data -- Public release of food safety and inspection service establishment-specific data. |
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Sommario/riassunto |
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Legal regulations and manufacturers' monitoring practices have not been enough to prevent contamination of the national food supply and protect consumers from serious harm. In addressing food safety risks, regulators could perhaps better ensure the quality and safety of food by monitoring food production not just at a single point in production but all along the way, from farm to table. Recognizing the troubled state of food safety, the Institute of Medicine's (IOM) Food Forum met in Washington, DC, on September 9, 2008, to explore the management |
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of food safety practices from the beginning of the supply chain to the marketplace. |
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