1,721,021 research outputs found
Analysis of Loads Generated by Surface Piercing Propellers
No full textThe work focus on some dynamical aspects of surface piercing propellers (SPP), as deduces from experimental testing carried out on a model and specifically on pulsating loads acting on the shaft line and bearings. In the first part the dynamometer, used to perform propellers open water tests, has been characterized identifying the transfer function associated with an impulse type force properly designed and positioned. Collected data are processed and analyzed in light of the constructed transfer function
LOW EMISSION PROPULSION PLANTS FOR URBAN AND COASTAL TRANSPORTATION
No full textThe problem of the pollution in the urban areas is increasingly conditioning our social life in many ways; the aim of this work is to give an outlook of some possible fields of application of alternative solutions having the goal of minimizing the environmental impact of the urban public transportation and of moving part of it at sea (when possible). Moreover, since in most cases load profiles present very particular characteristics from the point of view of their regularity, the evaluation of the use of alternative propulsion systems is opportune. In this work, the main aspects of the problem are examined while taking into account both conventional technical solutions and new solutions under development
Ricostruzione filologica di una Feluca Sorrentina da utilizzare in Parchi Marini Protetti
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Studio di una propulsione ibrida diesel-elettrica per la navigazione interna
No full textDottorato di ricerca in ingegneria navale. 7. ciclo. Coordinatore P. Cassella. Relatore A. FiorentinoConsiglio Nazionale delle Ricerche - Biblioteca Centrale - P.le Aldo Moro, 7, Rome; Biblioteca Nazionale Centrale - P.za Cavalleggeri, 1, Florence / CNR - Consiglio Nazionale delle RichercheSIGLEITItal
Final report on the full scale tests on the environmental impact of the conventional M/B and the new LIUTO boat
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