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Course
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Credits
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Scientific Disciplinary Sector Code
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Contact Hours
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Exercise Hours
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Laboratory Hours
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Personal Study Hours
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Type of Activity
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Language
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20810179 -
MARINE ELECTRIC DRIVES
(objectives)
The aim of the course is to describe the electrical machines and the power electronic converters that are potentially used in electrical drives for marine applications. Their models with reference to dynamic operation and related regulation with linear control techniques are also discussed. Students will acquire the skills necessary to face the correct selection of the electrical drives to be used, on the basis of technical specifications and the desired performances.
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SOLERO LUCA
( syllabus)
Discussion on electrical drives for marine applications: definitions, functional block diagrams; typologies of electrical motors and power electronic converters; considerations on the thermal behavior and cooling systems.
Dynamics of the system formed by electrical machine and mechanical equipment, transfer function and block diagram of the system.
Power electronic converters for electrical drives: general characteristics; dc-dc, dc-ac, ac-dc converters’ configurations.
Electrical drives with direct current machine: structure, basic scheme, dynamic model, torque and mechanical characteristics of a direct current machine; current and speed control.
Electrical drives with synchronous machine: short recall on the structure and operating principle of a synchronous machine; d-q-0-dynamic model of the machine; control strategies in electrical drives with synchronous machine.
Electrical drives with three-phase induction motor: short recall on the structure and operating principle of a three-phase asynchronous machine; d-q-0 dynamic model of the machine; control strategies in electrical drives with asynchronous machine.
( reference books)
Control of Electric Machine Drive Systems - Seung-Ki Sul - WILEY
https://ieeexplore.ieee.org/book/5675908
Available book through the University Library System (SBA)
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6
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ING-IND/32
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48
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-
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-
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Related or supplementary learning activities
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ITA |
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20810272 -
INGEGNERIA OFFSHORE E DELLE STRUTTURE MARINE
(objectives)
......................................
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20810272-2 -
INGEGNERIA OFFSHORE E DELLE STRUTTURE MARINE MODULO II - COSTRUZIONI MECCANICHE
(objectives)
Ability to design off-shore systems; Ability to dimension elements of machines and select standardized elements; Design of complex mechanical systems and transmission.
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GIORGETTI ALESSANDRO
( syllabus)
The course aims to provide the criteria for the design of mechanical structures in the presence of fatigue loads and mechanical elements frequently used in offshore installations.
The course programme covers the following topics
- Fatigue design of mechanical structures
- Pressure vessels Design
- Gear drives
- Flexible power transmission elements
- Crane and lifting equipment
( reference books)
G.Nerli, M. Pierini, Costruzione di Macchine, Esculapio Editore, 2015
J.E. Shigley, Progetto e costruzione di macchine. McGraw-Hill Education; 2020
A. De Paulis, P. Forte, F. Frendo, E. Manfredi. Costruzione di macchine. Criteri di base e applicazioni principali, Pearson, 2019
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6
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ING-IND/14
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48
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-
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-
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-
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Core compulsory activities
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ITA |
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20810178 -
MANUFACTURING ENGINEERING FO OFFSHORE APPLICATIONS
(objectives)
The main objectives of the course are: (i) to define the concept of industrial production, with particular reference to applications for the offshore technology sector; (ii) detail the existing integration between product design, choice of materials and production processes, engineering of production lines, costs and production times in the context of manufacturing techniques for offshore applications and, in particularly, within the limits defined by the conditions of use of the products; (iii) to provide information on the salient aspects of modern industrial production, with a focus on sustainable manufacturing processes with particular reference to the trio environment, economy and society. In addition to the study of conventional manufacturing processes (foundry, massive deformation, chip removal) which will therefore be contextualized in the context of offshore applications, particular emphasis will be placed on the most important manufacturing processes for the marine environment, i.e. joining processes, as well as technologies for processing plastics and composites. Case studies of particular practical relevance will also be proposed during the studies in order to specialize the learning techniques in the field of manufacturing technologies for offshore applications and to finalize them to the related specific applications.
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BARLETTA MASSIMILIANO
( syllabus)
Introduction to the course. Overview of production processes and transformation technologies. Metrology and dimensional control. Dimensional accuracy and tolerance, geometric tolerance. Main properties of materials of technological interest. Tests for the determination and measurement of the mechanical properties of materials: Traction, Compression, Flexion, Fatigue. Milling processes. The casting and solidification of the castings. Foundry defects. Casting processes in transitional form. Permanent casting processes. Forming in earth, in shell, in vacuum, die-casting, centrifugal and lost wax. Notes on the design of anime and models. Notes on the sizing of the power supply system. Coolers. Allowances. Technical and economic aspects of foundry processes. The workings for plastic deformation. The theory of plasticity. Massive deformation processes. Forging and molding. Slab method. Molding cycle. Forging defects. Design of the molds. Presses and knits. Lamination. The mechanics of the flat rolling process. The defects of laminated products. Extrusion: general information and equipment. Drawing: general information and equipment. Sheet metal deformation processes. Formability of the plates. Shearing. Bending. Cupping.
( reference books)
Authors: Serope Kalpakjian, Steven R. Schmid
Editor: Pearson
Collection: Prentice Hall
Edition: 5
Year: 2008
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6
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ING-IND/16
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48
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-
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-
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-
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Core compulsory activities
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ITA |
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20810180 -
AUTOMATIC CONTROL OF OFFSHORE SYSTEMS
(objectives)
This course provides methodological tools for solving control problems for dynamical systems according to input-output and input-state-output representations. Concerning nonlinear systems, the course introduces feedback linearization. All the presented concepts are illustrated through examples taken from control of floating off-shore platform, floating offshore wind turbine, marine and submarine robotic systems.
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6
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ING-INF/04
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48
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-
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Related or supplementary learning activities
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ITA |
Optional group:
AD OPZIONALE CARATTERIZZANTI/AFFINI- INTEGRATIVE - (show)
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15
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20810194 -
RECIPROCATING INTERNAL COMBUSTION ENGINES AND TURBOGAS
(objectives)
The course aims to provide students with the skills needed to analyse the operating conditions of internal combustion engines and turbogas for the performance optimization in terms of torque, power, consumption, pollutant emissions.
The course aims to provide students with the acquisition of methodologies for the development and management of calibration and control techniques for the engine system/after-treatment devices.
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6
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ING-IND/08
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48
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-
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-
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Core compulsory activities
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ITA |
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20810183 -
OFFSHORE THERMOTECHNICAL PLANTS
(objectives)
Aim of the course is training in the field of air conditioning and climate systems of off shore marine structures.
The first part of the course provides notions for the thermo-physical analysis of structures, the conditions of thermo-hygrometric comfort.
The performances of the buildings envelopes are analyzed on the basis of the estimation of the thermal loads, with reference to the regulations in force. In the second part of the course, the main notions for the design and sizing of the plants are provided in the last part of the course special plants are provided for marine technologies such as solar energy plants and desalination plants.
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6
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ING-IND/11
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48
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-
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-
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Related or supplementary learning activities
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ITA |
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20810186 -
ENVIRONMENTAL PHYSICS
(objectives)
The module is intended to provide a detailed understanding of physical processes in geophysical fluid dynamics, and particularly in marine environment.
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PLASTINO WOLFANGO
( syllabus)
Radiative equilibrium of the Earth.
The global energy budget.
Hydrostatic balance.
Lagrangian interpretation of stratification.
Turbulent dispersion.
Geostrophic equilibrium.
Frictional geostrophic motion.
Kinematics of fluid motion.
Reynold’s transport theorem.
Description of turbulence.
Structure of the boundary layer.
Ekman pumping.
Acoustic waves.
Buoyancy waves.
The Lamb wave.
Rossby waves.
Wave absorption.
Inertial stability.
Shear stability.
The wind-driven circulation.
The buoyancy-driven circulation.
Interannual changes.
( reference books)
Karnauskas K. - Physical Oceanography and Climate. Cambridge University Press, 2020 - ISBN:9781108423861
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6
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FIS/07
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48
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-
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Related or supplementary learning activities
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ITA |
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20810190 -
OFFSHORE REMOTE SENSING TECHNOLOGIES
(objectives)
The course aims at giving the foundations of the offshore remote sensing technologies based on electromagnetic and acoustic waves, with particular reference on RADAR, LiDAR and SONAR techniques.
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MONTI ALESSIO
( syllabus)
Unit 1: Maxwell’s Equations.
Maxwell's Equations in integral and differential forms. Importance of the Maxwell term. Boundary conditions. Complex vectors and polarization. Constitutive equations.
Unit 2: Propagation of electromagnetic field.
Free-space propagation of electromagnetic fields. Wave equation. Plane wave solution. Propagation of plane waves in lossless dielectrics. Propagation of plane waves in conducting media. Phase velocity and group velocity. Snell-Descartes Laws. Fresnel equations. Electromagnetic properties of sea water. Reflection at the air / sea interface.
Unit 3: Antenna fundamentals.
Electrodynamic potentials. Green's function. Elementary sources of the electromagnetic field: Hertzian dipole. Types of antennas. Electrical and radiative characteristics of antennas. Friis equation for point-to-point connections.
Module 4: Electromagnetic scattering and RADAR.
Electromagnetic scattering. RADAR cross section. RADAR equation. RADAR equation for distributed surfaces. Scattering from statistically rough surfaces. Determination of the RADAR cross section of the sea surface. Scatterometers and wind measurements. Altimeter radar and ocean height. Imaging radars. Real-aperture radar and synthetic aperture radar (SAR). SAR and ocean.
Unit 5: Electromagnetic emission and radiometers.
Emission from the sea surface. Radiometers. Use of radiometers to measure ocean temperature, surface wind speed, salinity and some atmosphere properties.
Module 6: Remote sensing with acoustic waves.
Duality between electromagnetic and acoustic waves. SONAR.
( reference books)
Learning materials provided by the teacher.
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6
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ING-INF/02
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48
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-
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-
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Related or supplementary learning activities
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ITA |
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20810196 -
FUNDAMENTALS OF OFFSHORE TELECOMMUNICATION
(objectives)
The course aims at providing students with the necessary skills for analysis and the design of a radio communication system. The course will illustrate Global Positioning Satellite Systems - GNSS such as GPS, GLONASS, Galileo. In additions notions about Geographic Information System (GIS) will be provided.
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6
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ING-INF/03
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48
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Related or supplementary learning activities
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ITA |
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Università Roma Tre