Courses Syllabi

CALCULUS I (Advanced Mathematics I)


Vectors: coordinate systems, definition and algebra of vectors, inner and outer product, linear independence. Analytic Geometry: Line (analytical and vector equation). Plane (analytical and vector equation). Conic sections. Real-valued functions of one variable: definition, graphs, algebra of functions. Inverse, composite, even and odd, monotonic, periodic, implicit, transcendent function. Elementary functions (polynomial, rational, trigonometric and inverse, exponential, logarithmic, hyperbolic and inverse). Limits: definitions, properties, one-sided limits, limits involving infinity. Continuous function: definition in terms of limits, properties and relative theorems. Ordinary derivative: definition, notations, geometrical representation, continuity and differentiability, higher derivatives, derivatives of elementary functions, rules for finding the derivative. Differential of a function. Chain rule. Leibnitz's formula for higher derivatives. Taylor and Maclaurin polynomial. Applications of the derivatives in finding the monotonicity and the extrema of functions, relative theorems. Indefinite integral: definition, uses and properties, techniques of integration (linearity of integration, integration by substitution, integration by parts, integration of rational functions, integration of special type functions). Definite integral: introduction, definition, properties, fundamental theorem of calculus. Applications of definite integral. Improper integral: definition and evaluation of the 1st, 2nd and mixed type (gamma function). Complex numbers: definition, algebra of complex numbers, conjugate complex number, absolute value, graphical representation, polar form, De Moivre's theorem, roots of a complex number, Euler's formula, polynomial equations, logarithm and complex-valued powers of complex numbers. Complex-valued functions: definition, elementary functions. Linear Algebra Matrices: definition, algebra of matrices, special matrices, determinants, inverse matrix. Series of real numbers: definition, properties, convergence criteria. Power series: definition, convergence criteria. The Taylor and Maclaurin series. Vector-valued functions of one variable: definition, properties, limit, continuity, ordinary derivative.


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Physics I
(3h theory + 2h laboratory)

Vector formulation of physics laws. Newton's laws. Gravitational, electrical and magnetic forces. 1-D and 3-D dynamics. Reference systems. Momentum conservation. Shocks. Variable mass systems. Work. Kinetic energy. Conservative forces. Potential energy. Conservation of energy. Moving particle systems. Torque. Spin. Moment of inertia. Conservation of angular momentum. Rigid body dynamics. Oscillations. Harmonic oscillator. Harmonic oscillator with damping. Forced oscillations. Resonance.
Exercises: Problems related to curriculum theory.
Laboratory: Laboratory exercises related to curriculum theory. Measurements of position-velocity-acceleration of bodies applying various methods. Force and torque measurements. Measurements of mechanical oscillations.


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Mechanics I (Statics)

Theoretical Part:
Basic Elements: Fundamental principles of Mechanics, Loading types, Types of structures. Center of gravity: Center of gravity of surfaces, Center of gravity of solid bodies, Pappus's Centroid Theorem. Vector Calculus: Outer product and inner product, Force, Moment of a force, Systems of forces, Equilibrium of forces, Equivalent systems of forces. Beams: Reactions, Axial and Shear Forces, Bending moment, N,Q,M diagrams, Gerber Beam. Frames: Reactions, N,Q,M diagrams, Symmetric frames, Three-hinged frames. Arches, Cables. Trusses: Method of nodal equilibrium, Ritter sections method, Symmetric trusses, Three-hinged trusses, Indirect loading. Friction: Static and Kinetic friction, Belt pulley, Bearings, Sliding friction. Composite Structures: Symmetric structures, Indirect loading, Structural analysis. Space Structures: Calculation of Reactions, Equations of static equilibrium, N,Q,M diagrams, Space trusses. Moments of inertia: Static moment of inertia, Surface moment of inertia, Polar moment of inertia, Steiner's theorem, Moment of resistance, Rotation of coordinate systems and transformation relations, Tensor of Moment of inertia, Principal Axis/Principal moment of inertia
Exercises - Practice:
During the practice time, exercises which fall within the course theoretical framework, as well as, structural problems related to real life applications, are solved and analyzed in depth.


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Chemical Technology
(2h theory + 2h laboratory)

Introduction to Chemical Technology (chemical equilibrium, chemical reactions, basic thermodynamic concepts, catalysis, redox, electrochemical elements, corrosion protection). Material formation processes (use of electricity, electric furnaces, metals, mining, enrichment, cast-iron and steel production). Plastics, fuels and lubricants. Laboratory: Qualitative and quantitative analysis methods. Phase equilibrium, Properties of diluted solutions. Kinetic equilibrium. Catalysis. Electrochemistry. Corrosion & protection. Fuels, lubricants.


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Mechanical Eng. Drawing & Introduction to MCAD

Types of drawings, Sizes and layout of drawing sheets, Drawing equipment, Projection methods, Axonometric projection, Orthographic projection, Sectional views, ISO Drawing Rules, Line types and thicknesses, Dimensions, Symbols, Tolerances, Fit types and categories, Surface Finish specification, Computer Aided Mechanical Design, Introduction to Autodesk Inventor, three-dimensional modeling and drawing, Parametric drawing, Libraries of machine elements, extraction of side and section views from solid models.


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Computer Programming
(2h theory & 2h PC laboratory/week )

Basic notions of computer programming. Programming languages. Methodology for the solution of a problem. Algorithms. Flow charts. Pseudocodes. Introduction to MATLAB programming language. Data types. Operations between different data types. Data type specification. Data format. Basic mathematical functions. Variables. Operations between variables. Operators (arithmetic, relational, logic). Vectors and Matrices. Construction, access and retrieval of matrices. Operations between vectors. Operations between matrices. Control flow statements. Loops and conditional loops. Vector programming. Combination of loop and vector programming. Error traping. M-file programming. Scripts and functions. Input and output. Introduction to graphics in MATLAB. Drawing of special graphs.
Laboratory: Practice in the PC-Lab of the Department of Naval Architecture to the MATLAB programming environment. Extensive programming exercises using MATLAB.


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CALCULUS II (Advanced Mathematics II)

Differential equations: introduction, definitions, initial value problem. Differential equations of first and second order with constant coefficients, linear systems of differential equations. Laplace transform: definition, properties and theorems. Inverse Laplace transform. Linear Algebra: rank of a matrix, eigenvalues and eigenvectors. Linear systems: Cramer's rule, Gauss elimination, LU decomposition, general case. Function of several real variables: definition, domain and graph. Limit and continuity. Partial derivative: definition, notations, higher derivatives, rules for finding the partial derivative, Schwarz's theorem. Tangent plane. Exact differential. Total derivative. Directional derivative. Application of the derivatives in finding the extrema of a function, Lagrange multipliers.Vector fields, gradient, divergence, Laplacian and curl. Conservative fields. Double integral: definition, properties, methods of integration, change of variables, applications. Triple integral: definition, properties, methods of integration, applications. Line integral of a vector field: definition, derivation, path independence, applications. Line integral of a scalar field: definition, derivation. Surface integral of a vector and a scalar field: definition, derivation, applications.


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Physics II
(3h theory + 2h laboratory)

Waves. Types of waves. Wave phenomena (refraction, reflection, dispersion, etc.) Wave intensity. Wave absorption. Sound. Standing waves. Doppler effect. Wave equation. Creation and propagation of waves in solids and liquids. Electricity. Electric charge. Coulomb's law. Electrostatic field. Gauss law. Electric potential. Poisson & Laplace equations. Electrostatic energy. Conductors. Semiconductors. Polarization. Capacitance & capacitors. Moving electric charges, electricity, Ohm's law. Induced electric fields due to moving charges. Magnetic field. Lorentz's force. Ampere's and Biot-Savart's laws. Electromagnetic induction. Faraday's law. AC circuits. Displacement current and Maxwell equations. Electromagnetic waves. Heat. Heat capacity. Phase transition. Thermal expansion and thermal stresses.
Exercises: Problems related to curriculum theory.
Laboratory: Laboratory exercises related to curriculum theory. Measurements of wave phenomena (sound waves and free-surface waves). Laboratory exercises on electric fields, electric circuits, Ohm's law, resistivity measurement, transient phenomena, capacitor charging. Resistance and capacitance measurement employing a Wheatstone bridge. The use of an oscilloscope. Study of a photocell. Phase difference determination with the use of a wattmeter.


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Ship lines Drawing & Introduction to CASD

Theory
Ship types and hull forms (general arrangement and midship section description). Main dimensions, main part of the ship, hull coefficients. Ship-lines plans: design procedure, stern and stem forms, water line forms, surface fairing methods. Estimation of main dimensions, hull coefficients, main dimensions ratios. Systematic series: description, ship-lines plan drawing using systematic series data. Examples of ship-lines plan's usage. Ship elements: description, nomenclature.
Laboratory:
Ship lines drawing, lines fairing, diagonals. Ship elements drawing. Ship-lines plan drawing using CAD software packages (AUTOSHIP, RHINO3D).


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Mechanics II (Strength of Materials)

Theoretical part:
Basic elements of Strength of materials: Stresses and strains - σ-ε curves - Fracture stresses - Safety Factor - Fatigue. Axial Tension - Compression: Hooke's Law - Poisson ratio - Thermal stresses - Statically indeterminate problems. Simple shearing: Rivets - Bolts - Screws - Welding. Plane stress and Plane strain: Mohr's circle - Pure shearing - strain gauge - Generalized Hooke's Law. Bending: Pure and general bending - Radius of curvature/slope - Principal stresses - Composite beams - Distribution of shear stresses. Elasticity: Differential equation - Method of double integration - Methods of generalized functions - Superposition methods - Mohr's method - Method of bending moment diagrams. Torsion: Cyclic, Orthogonal, Thin walled, Cellular cross section bar, Statically indeterminate problems. Combined loading: Buckling, Multi-axial and non symmetric bending, Eccentric tension - Compression, Section's core region. Three dimensional stress state: Stress tensor, Strain tensor - Generalized Hooke's Law - Thin walled pressure vessels. Energy methods: Strain energy based on: Axial Force, Bending moment, Torsional moment, Shear force, Combined loading - Introduction to Virtual work principle - Castigliano's theorems. Statically indeterminate beams: Method of Elastica, Superposition method. Failure criteria. Stress concentration factor. Exercises - Practice: During the practice time, exercises which fall within the course theoretical framework, as well as, structural problems related to real life applications, are solved and analyzed in depth.
Laboratory part: During the Laboratory time, the following experiments are conducted: Tension and Compression tests, Evaluation of stress-strain curve - Beam shearing test - Beam bending test - Torsion test - Material hardness and toughness measurements, based on various methodologies.


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Manufacturing Processes

Theoretical part:
Product design and development. Metrology. Measuring systems control and analysis. Measurement errors and uncertainty. Statistical control of construction procedure. Measurement instruments. Tolerances for driving shafts, threads and gears. Automatic lathes and milling machines (CNC) programming, using the conventional and ISO-format methods. Plastic processes like: Forging, hot and cold Extruding, Wiring, Rolling, Deep Drawing and Casting. For calculations we use the "Friction hill method".
Laboratory part: Design and calculations of all parameters we need to process a shaft using a lathe. Calculations of all shaft Fittings. Gear process. Long time training on CNC milling machine and lathe programming and process.Training how to Rectify. Hand tool training.


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Machine Elements
(4h theory)

Connection elements (bolts and nails). Calculations, pretension. Tighten torque. Power Transmission Elements. Shafts, (Strength, shaft deformations, critical speeds). Chocks, wedges, belts, pulleys, chains. Machine Elements used in crane's configurations (flexible and steel cables, properties, calculations. Pulleys and Drums of steel cables). Power Transmission couplings (mechanical and hydraulic clutches). Gear wheels (gear tooth module, gear tooth basic law, Gear tooth design, gear tooth strength and calculations). Reduction Gears. Rolling and sliding bearings. Crack theory. Springs. Pressurized Tanks. Machine vibrations and dynamics. Exercises: application examples are solved analytically.


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Applied Mathematics

Error analysis in numerical methods. Solution of non-linear equations: bisection, fixed point, Newton and quasi Newton methods. Solution of linear systems: Jacobi and Gauss-Seidel methods. Polynomial interpolation: definition, Lagrange polynomial. Divided differences. Newton interpolation formula. Spline interpolation. Least squares (data fitting): linear and non-linear problem (normal equations). Numerical differentiation: finite-difference formulae for functions of one and two variables. Numerical quadrature: simple and composite rules. Gaussian-Legendre quadrature. Numerical ordinary differential equations: introduction, initial value problem. Taylor and Runge-Kutta methods. Numerical partial differential equations: classification of second order equations. Parabolic equations: solution of heat, diffusion-reaction and diffusion-convection equation with the method of lines and Crank-Nicolson.


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Fluid Mechanics I
(3h theory + 1h laboratory)

Properties of fluids. Hydrostatics pressure in fluids, measuring instruments, hydrostatic forces on plane surfaces, buoyancy, stability of floating bodies. Kinematics and fluid dynamics - Lagrange and Euler methods, total derivative, description of the flow field, mass and volume flow, pathlines, streaklines, streamlines, flow types - uniform, non-uniform, steady, non-steady, one- two- and three- dimensional. Integral and differential forms of continuity equations. Euler & Bernoulli equations. Dynamic flow - streamlines equations, vorticity, irrotational flow, velocity potential. Flow in two dimensions - uniform flow, sources and sinks, free vortices. Superposition of elementary plane-flow solutions - simulation of flow around a half-body, the Rankine oval , linear doublet, flow around a cylinder. Lift and drag forces. Two dimensional flow around hydrofoils. Three-dimensional flow around a wing. Linear wave theory, small amplitude waves, dispersion relation, wave energy. Exercises: Problem-solving in accordance to the theoretical part.
Laboratory: Simulation of fluid mechanics basic phenomena and their corresponding computations using appropriate computer packages in the PC laboratory (e.g. MATLAB, COMSOL).


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Traditional Ship Design
(1 hours [Th.] + 2 hours [Lab.])

Introduction to ship design and lofting. Analysis of traditional Greek vessels' ship lines. Construction drawings using traditional methods. Designing, plotting and constructing ship frames. Ship design using single mould 'monochnaro'. Bonding methods of wooden ships. Different types of naval timber. Principles and criteria of constructional drawing. Software applications for constructional planning. Ship design using computers (CAD) and introduction to CAM (Computer Aided Manufacturing). Laboratory: Full scale ship lines' plotting. Principles of the hull development and cell expansion methods. Estimation of the welding seam, measurement of the frame corners. Metal plates and welding seams' positioning on the vessel's hull. Wooden models and wooden half models. Various ship types models' construction. Lines plan of small vessels and traditional wooden vessels (fishing vessels, recreation vessels, etc). Hull design using CASD software packets.


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Ship Welding Technology
(2h theory + 4h laboratory)

Welding methods in general (arc, MIG, TIG, spot welder, aluminum alloys, etc.). Welding and cutting processes in shipbuilding (welding machines, thickness & length determination, arc, electrodes notation). Protective measures against accidents. Welding in shipbuilding industry (defects, standards for automated and non-automated welding processes). Welding design details (different parts of a vessel, notches, discontinuities, rounded corners and reinforced openings, scallops). Cost estimation. Stresses derived from the welding process. Residual stresses (size - distribution). Factors affecting the size and distribution of residual stresses. Quality control of shipbuilding welding with the use of non-destructive and destructive methods (optical, electromagnetic inspection, inspection with Gamma and X-ray, ultrasonic and penetrant flaw detection).
Laboratory: Familiarization with the welding process overall (creation of an arc, maintaining appropriate arc length, provision of appropriate metal droplets). Proper selection of welding materials. Defect detection on various welded samples by inspection. Cost estimation for various welding projects based on relevant regulations and available drawings. Quality control on naval electro-welding employing destructive and non-destructive methods.


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Shipbuilding Materials Technology
(2h theory + 2h laboratory)

Alloys in general. Plastic deformation, crystal structure. Crystal structure defects. Iron in general, production of iron. Study of the bilateral Fe-C system. Hardening methods for metals. Heat treatments of metals. Surface treatments of metals. Steel production method. Thermal and chemical treatments of steel. Categorization of steel. Cast iron and its classification. Classification society requirements. Tensile strength and bending test. The use of various types of steel. Copper, copper and aluminium alloys. Corrosion of metals (definitions, general principles concerning corrosion, equilibrium potentials, types of corrosion). Protective methods against corrosion. Corrosion of shipbuilding materials. Use of plastic and wood in shipbuilding. Insulating materials.
Laboratory: Corrosion of metals. Polymerisation of polyester, glass reinforced polyester (construction of a flat sample), construction of a complex polyester sample with the use of a mold. Determination of the mechanical properties of constructed polyester samples.


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Fluid Mechanics II

Dimensional analysis - Rayleigh method and Pi theorem. Geometric, kinematic and dynamic similarity. Reynolds, Froude, Weber and Euler numbers. Theory of model tests. Non- compressible fluid flows in closed pipes - laminar and turbulent flows, energy loss during flow, Darcy - Weisbach equation, Moody chart, secondary losses, energy line, hydraulic line, multiple-pipe systems, pipe networks. Boundary layer - description and calculations. Compressible flows - elements of thermodynamics, sound speed, Mach number, isentropic flow, shock waves, Fanno lines. Compressible flow in pipes. Measurements in fluid dynamics - measurement of speed, pressure, flow and viscosity. Rotodynamic machines - pumps, turbines, cavitation, connection and installation.
Laboratory: Laboratory exercises.


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Thermodynamics

Definitions (thermodynamic system, isolated systems, adiabatic systems, closed systems, open systems, perfect gases, thermodynamic process). Thermodynamic laws. Cycles (Carnot, Otto, Diesel, Ericson, Dual). Internal energy, Entropy, Enthalpy. Thermodynamics of steam cyles (Hirn and Rankine cycles). Refrigerating cycles. Heat transfer.


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Ship Electrical Systems

The aim of the module is to familiarize students with the fundamentals of circuit theory (Ohm's law, specific resistance measurement, transient state, capacitor charging, Wheatstone bridge), electrical power production and distribution in the ship (AC/DC generators-principles of operation, common electrical equipment, distribution panels/sub-panels, electrical balance calculation, power distribution drawings, safety aspects, regulations), basic electrical ship equipment (AC/DC motors - principles of operation, electric motor pumps, winches, windlasses, internal/external lighting, emergency lighting), electric propulsion (introduction, principles of operation)


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Ship Theory I
(3 hour theory + 2 hour project/laboratory per week)

Ship Hydrostatics and Stability: Weights and buoyancy. Hydrostatic parameters and calculation by integration formulae. Bonjean curves. Hydrostatic Diagram. Intact Stability. Transverse stability and longitudinal ship stability. Metacentric height. Effects of weight movements. Loading and unloading the ship. Effects of free surfaces. Ship stability in large inclinations. Ship loading conditions. Load line. Floodable lengths. Damage stability. Ship launching. Elements of dynamic stability.
Project: Calculation of hydrostatics, stability curves and stability booklet for a given ship
Laboratory: Inclination experiment in a 3m ship model in the small tank. Loading of the ship model with specific weights and measurement of heel and trim inclination angles. Comparison with calculated data.


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Computer Applications to Ship Design I
(3 hour lectures + 2 hours project/laboratory work per week)

Introduction to CASD systems: Computer Aided Ship Design: design, manufacture and analysis of ships (CAD/CAM/CAE). Overview of computer applications in naval architecture. Computer aided drafting of ship drawings. Elements of geometrical modeling in CAD. Geometric transformations, parametric curves and surfaces. Elements of differential geometry for curves and surfaces. Curves & surfaces interpolation, approximation and fairing using Bézier, B-Spline and NURBS representations. 3d parametric modeling of ship hulls and marine structures.
Laboratory: Design and fairing of Ship lines. Ship hull surface modeling using 3d modeling software packages


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Ship Strength I
(3h theory + 2h laboratory)

Introduction, ship strength in general. Longitudinal ship strength: the ship in calm water, surge bending, stresses due to bending, deviations from the simple bending theory. Shear stresses due to bending. Other forms of fatigue. Primary, secondary and tertiary stresses. Endurance criteria (leakage, collapse, fatigue, bending). Transverse strength of the ship. Adjoint analysis of structures. Torsion, Fatigue.
Laboratory Exercises: Conduction of appropriate exercises in the field of the theoretical part


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Small Craft Technology
(2h theory + 2h laboratory)

Small crafts in general, description, types, uses and regulations. Comparison and appropriate optimum type selection. Description of yachts, fishing vessels, tugs and others, requirements, regulations. Construction materials, construction methods, general plan. Skin resistance of high speed crafts, propulsion of high speed crafts. Introduction to sailing boats (rigging, stability requirements). Tonnage, use of regulations. Description of specific technological solutions applied to small crafts concerning hydrodynamics, propulsion, equipment, materials and manufacturing processes. Exercises: practical applications are explored concerning the issues addressed in the theoretical part (design issues, application of regulations, data calculation and estimation of skin resistance).
Laboratory: basic principles of performing experiments in an experimental towing tank. Experimental evaluation of the skin resistance and the overall performance of a small craft.


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Technical English
(1 hour theory + 3 hours lab exercises per week)

Practice on authentic texts, related to the teaching material of the Department (structure of the ship, ship construction, trim and stability of the ship, etc.). Acquisition and effective use of the language and terminology through technical descriptions, typical technical dialogues and fluent communication on Marine Engineering and Naval Architecture topics. Written mastery of the structure and English language terminology through authentic passages, reports, etc. Lab exercises: With the aid of computers, students work in groups carrying out various tasks on the subject matter, i.e. technical reports, letter writing and correspondence on nautical subjects.


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Marine Engines
(Fundamentals of ICE, Ship propulsion plant installations)

Categorization of Internal Combustion Engines (ICE), Description of components and systems of Diesel and Otto reciprocating engines, Description of gas turbines, Ideal cycles, Real engine processes, Operating parameters of ICE, Combustion, Emissions, Energy balance, Waste heat recovery, Turbocharging, Performance characteristics, Ship propulsion plant installations, Comparison of efficiency of propulsion plant systems, Propeller matching, Maximum Continuous Rating (MCR) point calculation, Engine load diagram, Engine-fixed or variable pitch propeller interaction, Combined installations.
Laboratory work: Diesel engine performance, emissions, sound and vibrations measurement on testbed.


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Ship Theory II
(4 hour theory + 1 hour project/laboratory per week)

Ship resistance (frictional and wavemaking resistance, form resistance). Experimental methods for estimating resistance. Systematic series Ship propulsion. Systematic propeller series (Wageningen B-series). Propeller (fixed, controllable pitch). Description of the propulsion system. Propeller design and evaluation of propulsion system. Basics of water wave theory. Sea waves and the environment of ship. Seakeeping calculations. Ship maneuverability and rudder design. Basics of ship vibrations.
Project: Calculation of ship resistance and propulsion using systematic series for a given ship
Laboratory: Measurement of ship resistance for 1m models in small water tank. Ship wave patterns. Generation and propagation of water waves, in constant depth, using the paddle wavemaker in the small tank. Measurement of horizontal and vertical motion of floating bodies in waves.


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Business Administration
(2h theory + 2h Lab.)

General theory of administration, Establishment of a business, Structure of a business, Management fundamentals, Management and administration of Marine and Shipyard companies. Decision Making Tools and Strategies: Critical Path Methods, Project Management, Human Resources Management, Logistics, Marketing and Sales, Introduction to Corporate Finance, Accounting statements and cash flows, Net Present Value and Capital Budgeting, Risk and Cost of Capital, Long Term and Short Term Financing.


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Marine Engineering-Ship Piping Systems and Auxiliary Machinery

Description of ship piping systems, Piping system calculations (pipes dimensioning, components selection, pump selection, operating point calculation, pipes thermal insulation, pipes expansion and support), Ship auxiliary machinery (pumps, ejectors, heat exchangers, air compressors, blowers, fuel separators, oil-water separators, fresh water generators), Refrigeration units, Steering devices, Deck machinery, Cargo equipment, Shafting system. Piping: definitions, symbols and units, description of ship piping systems, pumps. Piping system design development, piping design details. Rudder: description, arrangement, construction details, rudder stock arrangement, rudder design details. Main propulsion shafting, arrangement, installation, calculation details. Windlass, cranes. Rudder, main propulsion shaft and fire plan drawing in ship plans.
Laboratory work: Piping system measurements (pressures, flow rates), pump characteristic measurement, piping system operating point calculation. Designing on ship plans, of all items prescribed : rudder, main propulsion shaft, fire plan.


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Ship Design & Outfitting I
(3h theory + 2h laboratory)

Genaral ship design. Stages of ship study. Preliminary ship study: scope, owner requirements, methods and tools. Preliminary selection of ship main dimensions: displacement estimation, preliminary selection of main dimensions and hull coefficients, Propulsion power estimation, weight estimation. Advanced methods in estimating displacement and weights. Hull lines, General arrangement, stability, cost approximation.


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Ship Strength II
(2h theory + 2h laboratory)

General issues of the metallic ship construction. Bending and buckling of beams. Equivalent width of bending plates. Plates under bending forces. Plates buckling. Study and design of reinforced plates. Calculation of the ship metallic structure from fundamental principles. Application of the Finite Element Method in the study of ship strength. Exercises - Laboratory: Conduction of appropriate exercises in the field of the theoretical part


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Ship Production

Cost analysis methods. Production systems. Production Automation. Automatic Systems (Autokon, Tribon). Description of the European and Japanese System. Systems of heavy lifts. Time-charts and crew management. Plates preparation. Ship structure divisions preparation. Assembly methods. Alignment of the ship modules. General topics in quality control. Quality control of materials, construction and equipment. Ship equipment. Preparation of ship launch. Ship trials: speed, power and maneuvering trials.
Laboratory: Conduction of appropriate exercises in the field of the theoretical part


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Reliability of Marine Structures & Total Quality Management
(2h theory + 2h laboratory)

General topics of reliability and applications in ships and marine constructions. Structure of shipyard activities in correlation with quality assurance and environmental protection. The concepts of quality assurance and Total Quality Management. Audits (internal - external). Statistical quality check. Quality check of marine constructions. ISO 9000, 9001, 9002.


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Technical Law

Theory: Definitions : ship concept. Ship registration (under construction, final registration). Ship documentation, Regulations, Ship Register, Tonnage measurement (Greek convention, International convention - GT). Construction regulations : description, lines, symbols. General regulations. Naval material construction. Capacity plan. Stiffening : transverse, longitudinal, mixed system. Stiffening selection criteria.
Laboratory - exercises: Designing calculations and construction plans, applying regulations to a ship.


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Ship Automation

The aim of the module is to familiarize students with the fundamentals of control theory (basic parts of a control system, open loop and closed loop systems, modeling of simple systems, Laplace transform, transfer function, block diagrams), basic principles employed for the analysis of closed loop systems in time and frequency domain (Routh criterion, Bode plot, Steady-state error analysis), analog controller types (P, PI, PD, PID), controller technology (electronic, electrical, pneumatic), transducers/sensors technology (types and main characteristics of sensors, introduction to microsensors), Programmable Logic Controllers (principle of operation, introduction to digital logic), characteristic ship automation systems (engine revolution control-Watt governor, water flow control in a steam generator, autopilot course keeping system, etc)


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Ship Repairs, Modifications and Surveys
(1h Theory + 3h Lab.)

Theory: Introduction to reliability, service, availability and safety of the marine systems. General overview of corrosion, fatigue and bending of marine constructions. Cracks in marine constructions. Types of damages in the basic ship types. Survey categories and processes. Repairs of steel constructions (laws, classification societies requirements). Damages and repairs of ship machinery and hull strength elements. Ship modifications cases. Requirements analysis and economic feasibility studies. Programming.
Laboratory: Conduction of appropriate exercises in the field of the theoretical part


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Shipyard Installations, Shipping Companies & Classification Societies
(educational visits)

Description of the various shipyard parts (stock yard, plate preparation, steel shop, central receiving warehouse, blast and paint shops, assembly shop, module erection shop, service bay, graving dock, powerhouse, cranes and other lifting facilities, outfitting quay, dry docks, joiner shop, electrical shop, pipe factory, outfitting offices, machine shop). Shipping company. Organization. Role and operation. Description of the various departments. Classification societies. Organization. Role and operation. Description of the various departments.
Laboratory: Educational visits in shipyards, shipping companies and classification societies.


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Maritime Economics
(4h theory)

Economic organization of shipping market. The economic role of shipping. The international transport system. The demand for sea transport. World sea trade. Geographical distribution of sea trade. The world merchant fleet. Developments in shipbuilding technology, cargo handling, cargo specialization. Supply of sea transport. Bulk shipping. Liner shipping. The role of port in the transport system. Port types. Congestion. The greater ports of the world. Terminal productivity. Financing and investments in ports. Structure and organization of a shipping company. Organization chart. Elements of chartering. Charter types. Voyage charter. Time charter. Bareboat charter. Contract of affreightment. Types of charter-parties. Examples. Management contracts. Freight rate calculation. Charter markets. The second-hand market. The newbuilding market. The demolition market.


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Financial & Technical Analysis

Theoretical part: Economical balance elements and time resolution of economical sizes. Investment valuation, cost estimation and efficiency. Cost indexes. Cost estimation methods. Ship cost estimation. Dead point. Productivity.Cost evaluation methods. BASIC model. Stock conduction. Specification of the essential equipment and workers number. Models for industry settlement selection and design. Maintenance systems.
Laboratory part: Cost estimation Technical Report of a ship section. Cost estimation of a part of the shipyard settlement.


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Computer Applications to Ship Design II
(2 hours lecture + 2 hours laboratory/project work per week)

Introduction to methods and specialized software packages for computations in naval architecture. Intact/damaged stability, loading and longitudinal strength calculations. Computer aided application of classification societies' rules. Resistance, propulsion and shell expansion calculations. Databases for the support of the manufacturing process and ship's life-cycle modeling.
Laboratory: Presentation and introduction to basic naval architecture software packages such as Autoship, Maxsurf, Napa, Safehull a.o.


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Knowledge Production & Technology Transfer
(2h theory + 2h lab)

Concept determination of technology, technical knowledge, innovation, productivity, license. Technological Research, technology transfer, technology change, technology interactions, technology innovation. Sources of technology innovations. Decision making in technology transfer. Receivers of technological innovations. Development of technology transfer mechanisms. Systems for monitoring and support technology transfer.
Laboratory: Conduction of appropriate exercises in the field of the theoretical part


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Ship Design & Outfitting II
(2h theory + 2h laboratory)

Ship general arrangement, cargo holds, engine room, tanks, accommodation infrastructure. Means of loading/unloading - cranes. Anchorage systems. Ship stability and trim check - SOLAS regulations. MARPOL regulations.
Laboratory: Conduction of appropriate exercises in the field of the theoretical part


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Environmental Protection & Safety Issues

Theoretical part: Safety precautions in dangerous conditions like electric plant installations, materials removing and storage, other machinery plants e.t.c. Fire protection systems. Technicians' duties and obligations. Legislation and Organizations about Safety precautions and accidents. Gas Free procedure. Conceptions about environment and its protection. Ecological aggravation because of fouling. Anti fouling cost. Permissible fouling level definition. Regulations and legislation. Aerial fouling. Anti fouling equipment. Liquid aut casts biological elaboration. First born, second born and territory cleaning. Mud disposition. Bio gases production. Materials recovery. Special industries out casts elaboration. Oil Tankers Inner Gas System installation. Serious misfortunes and aggravations.
Laboratory part: Exercises about safety precautions in working fields. Anti fouling systems design. Exercise on Inner Gas system installation.


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Special Marine Constructions & Sailing Vessels
(2h theory + 2 h laboratory).

Types of offshore constructions: jackup, floating submerged platforms, tension leg platforms. Loads and motions of offshore structures. Loading analysis. Applications and exercises. Design topics of marine constructions. Materials and constructions topics. Sailing vessels description. Historical overview. Vessel parts and components. Sailing vessel motion and forces development. Aerodynamic theory. Initial estimation of basic characteristics and general arrangement. Analysis of sailing vessel series. Hull design. Model tests. Analysis of trial results. Special design issues of small crafts. Boats of special types. Submarine vessels. Unmanned vehicles.
Laboratory: Practical applications of the theoretical part. Special marine constructions. Loading analysis and design and calculations issues. Experimental evaluation of floating structure response in test basin. Sailing vessels: design and strength topics, regulations application, calculation elements and design.


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