Orona Cobos, Daniel Javier
Promotor(s) : Amoraritei, Mihaela
Date of defense : 2014 • Permalink :
|Title :||Hydrodynamic Performances Analysis and Design of a Containership Propeller|
|Author :||Orona Cobos, Daniel Javier|
|Date of defense :||2014|
|Advisor(s) :||Amoraritei, Mihaela|
|Committee's member(s) :||Gentaz, Lionel|
|Number of pages :||103|
|Discipline(s) :||Engineering, computing & technology > Civil engineering|
|Target public :||Researchers|
Professionals of domain
|Institution(s) :||Université de Liège, Liège, Belgique|
|Degree:||Master de spécialisation en construction navale|
|Faculty:||Master thesis of the Faculté des Sciences appliquées|
[en] Since its emergence as a propulsive element of the vessel, the importance of the propeller has a direct influence on ship propulsive performances due to its direct influence on the cost and effectiveness of ship operation.
Ship propellers need to be efficient. This implies that the energy supplied to the propeller is converted to thrust in order to overcome the ship resistance with minimum of losses. Additionally, the device should not generate unwanted vibration and inboard noise. Finally, the propeller should not suffer from erosion damage due to cavitation. Finding the right balance between these demands is a major task of the designer.
The propeller design is an activity which nowadays presents ever increasing challenges to the designer. The choice of an optimum marine propeller is an important issue in Naval Architecture.
This Master thesis will be focused on the design procedure of a marine propeller for 800 *TEU‟s containership in order to find the optimum propeller characteristics involved by taking into account following stages:
1) The preliminary design (using standard series data); 2) The detailed design using the lifting line theory (lifting line method with lifting surface corrections). Moreover, an analysis regarding hydrodynamic performances for the designed propeller will be developed, by studying the behavior of the geometry in off design conditions; all of this, through theoretical methods.
*TEU‟s: twenty-foot equivalent unit of cargo capacity
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