Optional group:
comune Orientamento unico AD AFFINI-INTEGRATIVE - (show)
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20801753 -
THERMOTECHNICAL PLANTS
(objectives)
OBJECTIVE OF THE COURSE IS THE EDUCATION OF PROFESSIONALS IN THE FIELD OF HVAC SYSTEMS. IN THE FIRST PART STUDENTS ARE PROVIDED WITH INFORMATION AND TOOLS TO DESCRIBE THE BUILDING THERMOPHYSICS AND TO EVALUATE THE THERMAL AND IGROSCOPIC COMFORT CONDITIONS. BUILDING ENVELOPE PERFORMANCE AND THERMAL LOADS REFERRED TO THE LEGISLATION ARE ANALYSED. THE SECOND PART IS DEVOTED TO THE DESCRIPTION AND SIZING OF HEATING AND DOMESTIC HOT WATER SYSTEMS. THE LAST PART IS DEVOTED TO THE DESCRIPTION AND SIZING OF AIR CONDITIONING AND THERMAL SOLAR SYSTEMS. STUDENTS LEARN HOW TO CHOOSE AND DESIGN SUCH SYSTEMS, ALSO THROUGH A DESIGN EXERCISE THEY HAVE TO DO AND WRITE A REPORT ABOUT.
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DE LIETO VOLLARO ROBERTO
( syllabus)
- notes applied physics -Environmental conditions of thermal comfort and thermo-physical air quality of buildings - Heating systems: calculation of thermal loads, energy certification. - Plant components: boilers, radiators, radiant panels, distribution networks, expansion tank; Project of a thermal power plant - Motion of fluids and sizing of water distribution networks. - Air conditioning system: calculation of the summer heat load, sizing of an all-air system without and with recirculation, and mixed systems. - Plant components: refrigeration units, air treatment units, fan coils, etc. - Motion of fluids and sizing of air distribution networks. -Design of the heating and air conditioning system components
( reference books)
BOOK TITLED IMPIANTI TERMOTECNICI editori ROBERTO DE LIETO VOLLARO, LUCA EVANGELISTI, GABRIELE BATTISTA, EMANUELE DE LIETO VOLLARO EDIZIONI EFESTO
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20801715 -
MACHINES AND ELECTRIC OPERATIONS
(objectives)
The course has the purpose to describe the manufacturing features and the functional characteristics of the main rotating electrical machines, including dynamic models used for the study of the electrical machine behavior in electromechanical systems. It is expected that the student will acquire the ability to select the various electromechanical equipment used in industrial applications or in power systems for the electric energy generation. The course gives basic knowledge concerning the main configurations of the power electronic converters that are used for the control of power supply of electrical machines as well as it gives basic knowledge of the main algorithms being used in electric drives for control and monitoring of the machine performance. As a result, the course is targeted to give the know-how concerning how to select main design characteristics of an electric drive in connection with the functional specification of a given application.
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Derived from
20801715 MACCHINE E AZIONAMENTI ELETTRICI in Ingegneria meccanica LM-33 DI BENEDETTO MARCO
( syllabus)
Introduction to electric drives: definition and classification of electric drives, elements of an electric drive, goals and performance of electric drives, and types of service. Operating principle of power semiconductor devices: operating characteristics; turn-on and turn-off transients; conduction and switching losses. Fundamentals of static power conversions: AC/DC converters, DC-AC converters, AC-AC converters. Modulation techniques with the carrier-based approach. Introduction to MATLAB/Simulink software.
Linear systems and their study in the time domain. The Laplace transform and analysis of a system in the "s" domain. Representation of transfer functions in the frequency domain, transfer function implementation, and Bode plot in MATLAB/Simulink environment. P, PI, PID industrial regulators. Architectures and main characteristics of open loop and closed loop control systems. Current sensors: shunt resistor, Hall effect sensor. Operating principle of voltage sensors. Position and speed sensors: tachymetric dynamo, absolute and incremental encoder, resolver.
Review of magnetic circuits and the operating principle of electric machines. Electric drives with the synchronous machine: dynamic model of the machine and operation analysis in the sinusoidal regime. Control strategies in wound rotor, permanent magnet, and reluctance synchronous machine electric drives. Synthesis of control systems for electric drives with the synchronous machine using MATLAB/Simulink. Electric drives with the asynchronous machine: dynamic model of the machine and analysis of operation in the sinusoidal regime. Control strategies in electric drives with the asynchronous machine. Realization of electric drives with the asynchronous machine in MATLAB/Simulink environment.
Introduction to embedded control systems with PLC, microcontrollers, DSP, and FPGA: operating and programming characteristics. Introduction to National Instruments LabVIEW software for electrical drives. Future trends and developments of electric drives.
( reference books)
In addition to the lecture notes provided by the teacher Ion Boldea, Syed A. Nasar Electric Drives, Third Edition 2016 by CRC Press ISBN 9781498748209 Bimal K. Bose Modern Power Electronics and AC Drives Prentice Hall PTR, 2002 Ned Mohan, Tore M. Undeland, William P. Robbins Power Electronics: Converters, Applications, and Design ISBN: 0471226939 Ned Mohan Advanced Electric Drives: Analysis, Control, and Modeling Using MATLAB / Simulink ISBN: 978-1-118-48548-4 Ned Mohan Electric Drives: An Integrative Approach ISBN: 0971529256 Digital Integrated Circuits, by Jan M. Rabaey, Anantha Chandrakasan, and Borivoje Nikolic, Prentice Hall Electrical Circuit, Charles K. Alexander, Matthew N. O. Sadiku, Giambattista Gruosso, Giancarlo Storti Gajani
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20801755 -
MONITORING TECHNIQUES AND RISK EVALUATION METHODS
(objectives)
RISK ANALYSIS AND INDUSTRIAL SAFETY; ANALYTICAL SURVEY OF NEAR MISSES AND LITERATURE CASE STUDIES. CLASSICAL RISK METHODS AND EVALUATION TECHNIQUES; THE JOB SAFETY ANALYSIS; THE CHECK LIST ANALYSIS; OHSAS 18001:07 E UNI INAIL GUIDELINES. THE INTERNATIONALLY RECOGNIZED ASSESSMENT SPECIFICATION FOR OCCUPATIONAL HEALTH AND SAFETY MANAGEMENT SYSTEMS. THE OHSAS 18001:07 COMPATIBILITY WITH ISO 9001 AND ISO 14001. THE PLAN – DO –CHECK – ACT SYSTEM. THE DEMING WHEEL. RELIABILITY. THE RELIABILITY APPROACH AS A TOOL FOR THE ASSESSMENT OF FAILURE AND INJURIES LIKELIHOOD. FAULT TREE ANALYSIS EVENT TREE ANALYSIS; THE HAZARD OPERABILITY APPOACH (HAZ.OP) AND FAILURE MODE AND EFFECTS ANALYSIS. THE BEHAVIOR BASED ANALYSIS AND RISK ASSESSEMENT TEQNIQUES. INJURIES AND PROFESSIONAL ILLNESS; DOMESTIC AND INTERNATIONAL DATA BASE, STATISTICAL INDEX AND CASE STUDIES. ACOUSTICS AND VIBRATIONS. INTERNATIONAL ISO AND MEASURING TECNIQUES. MONITORING METHODS AND IMPACT ASSESSEMENT. GEOSTATICAL METHODS. DUST AND ASBESTOS DUST RISK ANALYSIS.
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LIPPIELLO DARIO
( syllabus)
Classical Risk methods and assessment techniques; Job Safety Analysis (JSA); Check list analysis, Functional Analysis Space Technique (FAST) method; Professional illness assessment; noise, ergonomics and manual handling. Lifting equation by NIOSH (National Institute Occupational Safefy & Health) Occupational Repetitive Action (OCRA), Snook & Ciriello method. Reliability approach as a tool for the assessment of failure and injuries likelihood. Fault tree analysis (FTA), Event Tree analysis (ETA); Hazard Operability approach (Haz.Op) and Failure Mode and Effects Analysis (FMEA), Behavior based analysis and risk assessment techniques (BBS). Physical agents: Acoustics and Vibrations. International ISO and measuring techniques. Monitoring methods and impact assessment. Geostatistical methods: variograms, Kriging, Co Kriging
( reference books)
Lecture notes and texts provided by the teacher
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20801756 -
MATERIALS TECHNOLOGY FOR MECHANICS
(objectives)
THE AIM OF THE CLASS IS TO GAIN KNOWLEDGE OF THE DIFFERENT TYPES OF THE MATERIAL DEGRADATION DUE TO THE AMBIENT OPERATING. IN THIS WAY IT IS POSSIBLE TO EVALUATE THE LIFE AND RELIABILITY IN THE DESIGN PHASE AND THE OPPORTUNITY TO PREVENT AND MONITOR POSSIBLE PROBLEMS AND DEGRADATION DURING THE LIFETIME. THE MAIN TYPES OF DEGRADATION (DEPENDING ON OPERATING ENVIRONMENTS) AND METHODS TO EVALUATE THE DEGRADATION SPEED ARE TAKEN INTO ACCOUNT. KNOWLEDGE OF THE MAIN TYPES OF MATERIALS APPLIED IN ENERGY SECTOR (METALLIC, CERAMIC AND COMPOSITE MATERIALS) AND THEIR MANUFACTURING TECHNOLOGIES ARE SHOWN. BASIC ASPECTS OF THE CLASS OF MATERIALS SCIENCE AND TECHNOLOGY, ACQUIRED DURING THE FIRST DEGREE LEVEL WILL BE APPLIED IN CASE STUDIES. IN THIS WAY THE CORRELATIONS AMONG COMPOSITION, STRUCTURE, MANUFACTURING AND PROPERTIES ARE TAKEN INTO ACCOUNT.
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BEMPORAD EDOARDO
( syllabus)
Cenni ai metodi di caratterizzazione dei materiali - tecniche diffrattometriche, microscopiche e spettroscopiche. Cenni di metallografia e di prove non distruttive. Corrosione ad Umido - Aspetti elettrochimici del degrado, forme di corrosione ad umido, diagrammi di Pourbaix, cinetica della corrosione, ddp e teoria dei potenziali misti – passività, corrosione in ambienti naturali e in ambienti ostili, metodi di prevenzione, protezione, diagnosi e monitoraggio Tribologia - Richiami sulla meccanica del contatto. Aspetti tribologici del degrado (adesione, attrito e usura), principali tipologie di usura (adesiva e abrasiva). - Teoria, metodi e normativa per la quantificazione dell’usura, misure preventive. Protezione dei materiali - rivestimenti resistenti all’usura e alla corrosione, barriere termiche. - Tecnologie di produzione di rivestimenti: rivestimenti galvanici, rivestimenti da fase vapore, rivestimenti termospruzzati. Materiali compositi - concetti fondamentali (matrice-rinforzo-interfaccia) e classificazione; regola delle miscele, interazione rinforzo-matrice, durabilità e degrado (creep, fatica, idrolizzazione). Criteri di progettazione: compositi laminati e sandwich; tecnologie di produzione: hand layup, Filament winding, stampaggi a caldo, a freddo e in autoclave, Resin Transfer Moulding, Spray-up. Esempi di applicazione dei compositi. Materiali ceramici avanzati - correlazione tra precursori, produzione, struttura e proprietà ottenibili. Criteri di affidabilità (statistica di Weibull); tecnologie di produzione: sinterizzazione, pressatura isostatica a caldo, slip casting, tape casting, codeposizione, termal spraying. Esempi di applicazione dei ceramici per componenti refrattari e barriere termiche. Degrado, corrosione a secco Complementi: - Progettazione mediante Elementi Finiti e relative ricadute sui materiali impiegati: simulazione delle proprietà variabili nel tempo e in temperatura. Esempi applicativi di analisi statiche e dinamiche, meccaniche e termo-meccaniche. Cenni ai trattamenti delle acque ed ai fenomeni correlati per la corretta selezione degli acciai negli impianti per la produzione di energia e negli scambiatori di calore.
( reference books)
Dispense del docente references M. Ashby, H. Shercliff, D. Cebon: "Materiali, dalla scienza alla progettazione ingegneristica" Casa Editrice Ambrosiana Scienza e tecnologie dei metalli - CittàStudi Edizioni
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20801844 -
QUARRIES AND ENVIRONMENTAL RECOVERY
(objectives)
MONOGRAPHIC CLASS ON MINES AND QUARRY ACTIVITIES. FUNDAMENTALS ARE MINING AND QUARRING METHODS, GEOLOGY ELEMENT, TECTONICS AND HYDRO-GEOLOGY, MINERALS AND ROCKS; MINERAL ASSETS AND BENCH. THE MINING ACTIVITIES PLANNING AND LOCALIZATION. ENVIRONMENTAL IMPACT ASSESSMENT METHODS; ENVIRONMENTAL RECOVERY FUNDAMENTALS. THE PRODUCTION TECHNIQUES AND THE EXPLOITATION METHODS. HEALTH AND SAFETY QUARRIES RELATED LAWS IN FORCE.
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ALFARO DEGAN GUIDO
( syllabus)
Monographic Class on Mines and Quarry activities. Fundamentals are Mining and Quarring methods, Geology element, Tectonics and Hydro-geology, Minerals and Rocks; Mineral assets and bench. The Mining activities planning and localization. Environmental Impact Assessment Methods; Environmental recovery fundamentals. The Production Techniques and the Exploitation Methods. Health and Safety quarries related Laws in force.
Geology element, Tectonics and Hydro-geology, Minerals and Rocks. Mines and Quarries. Mineral Ore from pits: a) Dimension stones for Shops and Crushing stones (Marbles, Travetinos, Granite, Limestone); b) Building and construction Stones: 1) crushed stones for concrete and compo (Sands, Gravel, crushing Grout); 2) Bricks and Ashler; 3) Crushed Ores and reef Blocks; c) Industrial feedstock (siliceous sands, Diatoms, Kieselguhrs, artful Marl, Dolomites, etc). The geological associations, Mineral assets and bench. The Mining layer, Opencast Pits and Underground Pits. The Disclosing Ratio. The geo-morphology and the Pits’ characteristics. The Mining activities planning and localization: the all-over exploitation and the Exploitation-Poles; Environmental Impact from Mining Activities and Environmental Impact Assessment. Exploitation Units and Hierarchy. Underground exploitation methods: Halls and Pillars, Filling methods: Opencast Methods: a) Terraces (exclusive and multiples); b) Leveling by Terraces; Leveling by sub-vertical Rips. Production Techniques: Blasting hearth-works, mechanical digging, ripping, dozing, scraping. Drilling Techniques and Technologies; Blasting Techniques, Noise, over-pressure, air-blast, Vibrations and Waves. Dumping; conveyor Belts, Crushing Plants, Sifting and Grinding. Stone Quality and Certification. Dimension Stone exploitation, open cast pits and underground pits; high and low step techniques. Diamond Wire cutting techniques, Saw Chains cutters, Fire and Water Cutting Techniques. Exploitations ratio and Landfill. Dimension Stone Shops. The production Planning Organization; The PERT Techniques, Minimal and maximal Productiveness. The Functional Analysis Space Technique. The Exploitation method planning and the step-by-step Recovery. Visibility Charts and Visual Impact mitigation.
Decontamination, recovery and remediation. Naturalistic Engineering Techniques, open-cast pits lakes. Pits outfielders’ Impacts: Noise, Airborne Dusts, Vibrations; Monitoring and mitigating Methods. Occupational Health and Safety. Main Laws in force (Italy, Europe, Areas), Risk Assessment and evaluation (DPR 624). Main Hazards Characterizations, Incidents, Injuries, Accidents, Professional Illness. Noise, Airborne Dusts, Vibrations (DPR 128). Executive Quarry designing arrangement and Environment recovery.
( reference books)
Lecture notes and texts distributed by the teacher
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20810215 -
ELECTRONICS FOR MECHANICAL ENGINEERING
(objectives)
COURSE PROVIDES BASIC CONCEPTS INHERENT ANALOG AND DIGITAL ELECTRONICS WITH REFERENCE TO BOTH SIGNAL AND POWER APPLICATIONS. THE STUDENT WILL LEARN ABOUT MAIN CHARACTERISTICS OF ELECTRONIC DEVICES IN NATURAL AND FORCED COMMUTATION WITH EXAMPLES AND APPLICATIONS; BASIC CONFIGURATIONS FOR ANALOG SIGNAL PROCESSING AND FILTERING; BOOLEAN ALGEBRA AND DIGITAL CIRCUITS.
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Derived from
20801715 MACCHINE E AZIONAMENTI ELETTRICI in Ingegneria meccanica LM-33 DI BENEDETTO MARCO
( syllabus)
Digital circuits. Boolean algebra. Combinational and sequential circuits. Introduction to microcontrollers and Digital Signal Processors. Industrial PLCs: operating characteristics, programming and applications. Memory devices. Analog-to-digital conversion. Operational Amplifiers. Digital-to-analog converters. Analog filters. Bus and communication protocols in the industrial field
( reference books)
Digital Integrated Circuits, by Jan M. Rabaey, Anantha Chandrakasan, and Borivoje Nikolic, Prentice Hall
Electrical circuits, Charles K. Alexander, Matthew N. O. Sadiku, Giambattista Gruosso, Giancarlo Storti Gajani
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DI BENEDETTO MARCO
( syllabus)
Digital circuits. Boolean algebra. Combinational and sequential circuits. Introduction to microcontrollers and Digital Signal Processors. Industrial PLCs: operating characteristics, programming and applications. Memory devices. Analog-to-digital conversion. Operational Amplifiers. Digital-to-analog converters. Analog filters. Bus and communication protocols in the industrial field
( reference books)
Digital Integrated Circuits, by Jan M. Rabaey, Anantha Chandrakasan, and Borivoje Nikolic, Prentice Hall
Electrical circuits, Charles K. Alexander, Matthew N. O. Sadiku, Giambattista Gruosso, Giancarlo Storti Gajani
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Optional group:
comune Orientamento unico AD CARATTERIZZANTI 2 ANNO - (show)
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20810217 -
PLANT UTILITIES
(objectives)
This course is aimed at providing the basic methodological tools required for planning, designing and managing utilities and auxiliary technical services in industrial plants.
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20802139 -
INDUSTRIAL PRODUCTION MANAGEMENT
(objectives)
This course is aimed at providing the basic methodological tools required for production planning and control in manufacturing systems. Specific methods used in make to stock, assemble to order, make to order, and engineering to order are analyzed, also discussing the differences between push and pull production systems. The course follows the traditional hierarchical approach including aggregate production and capacity planning, master production scheduling, materials and manufacturing resources requirements planning (MRP and CRP techniques), order release planning and job scheduling. furthermore, techniques for demand forecasting and implementation of just in time lean manufacturing systems are presented. The course also provides tools to estimate the performances of manufacturing systems, i.e. the links between work in process, throughput and cycle time, including variability effects and lot sizing decisions. finally, production planning decisions are put in perspective with strategic decisions, with capacity planning issues and with inventory management problems.
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Derived from
20801966 GESTIONE DELLA PRODUZIONE INDUSTRIALE in Ingegneria gestionale e dell'automazione LM-32 CAPUTO ANTONIO CASIMIRO
( syllabus)
The industrial enterprise Organization and scope of industrial enterprise. Classification of production systems. Analysis of production processes (process mapping and performance estimation). Little’s law. Impact of flow and process variability on main performance measures. Analysis of lot size effects on capacity, lead time and manufacturing cost. Lot sizing criteria in repetitive manufacturing.
Demand forecast Analysis of demand variability components (random fluctuations, trends, seasonality). Classification of quantitative and qualitative forecasting methods. Linear regression causal models, time series methods (moving averages, exponential smoothing) and seasonal forecasting methods. Estimation of forecast error. Demand estimation for new products: market size and market penetration dynamics (Bass model).
Fundamentals of production planning and control Analysis of P-Time and D-Time. Push and Pull production systems. Make to Stock, Assemble to Order, Make to Order ed Engineering to Order systems. The hierarchical production planning framework.
Aggregate planning Alternatives to match production and demand. Trial and error aggregate planning methods (chase, level and mixed plans). LP models for the aggregate planning problem.
Master production scheduling Criteria to disaggregate an aggregate plan and methods to develop a Master Production Schedule (MPS) based on items forecast and firm orders. Etsimation of Available to Promise capacity. Difference of MPS in MTS and ATO settings.
Requirements planning MRPI and II methods. Capacity Requirements Planning. Lot sizing criteria for materials requirements planning. Limitations of MRP systems.
Operational planning and manufacturing execution Final Assembly Schedule and operational plans. Criteria for job release and queues control. Heuristic rules for job scheduling and priority assignment. Production advancement and control systems.
Pull production systems Kanban method and production leveling techniques. Methods for sequencing mixed model assembly lines. CONWIP. Comparison of push and pull systems.
Inventory management Classification and scope of inventories. Relevant costs in inventory management. Management of dependent demand materials: economic order quantitym reorder cycle and reorder level policies. Service level and computation of safety stock. Benefits of safety stock pooling. Management of dependent demand items: lot by lot and dynamic lot sizing techniques. Newsboy model and single period order sizing. ABC classification and warehouse performance measures.
( reference books)
Lecture notes provided by instructor and uploaded on Moodle web site.
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20810095 -
VIBRATIONS MECHANICS
(objectives)
The aim of the course is to provide physical and mathematical models to analyze the vibrations of the machines. Discrete and continuum models, such as beams, strings, membranes, plates and shells, will be introduced during the course as well as the methods to analyze complex mechanical structure, including the finite element method. Furthermore, the problems related to the rotordynamics will be also examined.
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BOTTA FABIO
( syllabus)
• Elements of the theory of the vibrations o Single degree of freedom o Multi degree of freedom o Continuos models: beams, plates and shells • Finite element method • Critical speeds
( reference books)
• Graff K. F., Wave motion in elastic solids, Dover, 1975. • Weaver W. Jr, Timoshenko S. P., Young D. H., “Vibration problems in engineering” – Wiley Interscience • Soedel W., “Vibrations of shells and plates” – Dekker Mechanical Engineering
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20810144 -
INTEGRATED MANUFACTURING SYSTEMS
(objectives)
The Integrated Manufacturing Systems Course provides students in the fifth year of the master's degree with the basic elements for the use of numerical control in material subtraction processing. The course includes a first part dedicated to the deepening of machining by chip removal, with particular reference to the aspects of cutting mechanics as well as the tool sizing criteria for the most common turning, milling and drilling operations. In this context, the aspects concerning the problems of tool wear and Taylor's law will not be neglected. The Course also provides a second part dedicated to the optimization models of numerical control processes according to the criteria of maximum economy and maximum productivity. In addition, the strategies for the closed and numerical resolution of the main optimization models of numerical control work will be proposed. Finally, the first elements will be provided for the use of SW CAD / CAM in mechanical design, with specific reference to machining with numerical control machines.
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20810099 -
MACHINE DESIGN
(objectives)
GOAL OF THE COURSE IS TO PROVIDE STUDENTS AND NON SPECIALIST ENGINEERS A SIMPLE AND FUNDAMENTAL APPROACH TO THE DESIGN OF THERMAL SYSTEMS (COGENERATION AND POWER PLANTS). THE COURSE EMPHASISES THE CHOICES OF CONFIGURATIONS AND THE SELECTION OF ARCHITECTURES, SHAPES AND SIZES CLOSE TO THE OPTIMAL SOLUTION. MOREOVER METHODS FOR FINDING PERFORMANCE CHARACTERISTIC CURVES ARE DEVELOPED. THE INTERRELATIONSHIPS AMONG LIMITATIONS OF MATERIALS, THERMAL, FLUID-DYNAMICS AND MECHANICAL ASPECTS ARE WIDELY ANALYSED AND DISCUSSED. AFTER THE COURSE THE STUDENT SHOULD HAVE A PICTURE OF THE MOST RELEVANT ASPECTS RELATED TO THERMO-MECHANICAL SYSTEMS DESIGN. HE/SHE WILL ACQUIRE TOOLS THAT ENABLE HIM/HER TO SET UP AN ENTIRE DESIGN PROCESS FROM PROBLEM DEFINITION TO DECISION MAKING.
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SALVINI CORIOLANO
( syllabus)
The design process: problem definition, establishment of objectives, generation of alternatives, preliminary design, detailed design. Conventional versus optimum design process: optimum design problem formulation, design variables and degrees of freedom, cost function, design constraints, examples of optimum design problem formulations. Optimisation of processes to produce electricity, heat and cold. Thermal systems design: selection of machines and equipment, cost accounting, economic analysis. Heat exchangers: classification, design approaches, off-design performance evaluation, optimization of heat exchanger networks by applying the pinch-method. Steam generators: typologies, fuels, combustion, heat transfer, thermo-mechanical design criteria, efficiency. Sizing of machines and apparatuses of thermo-mechanical plants.
( reference books)
Lecture notes provided by the teacher. CIRILLO F., Progetto di sistemi meccanici, Mc Graw-Hill. STOECKER W. F., Design of Thermal Systems, Mc Graw-Hill International. ANNARATONE D., Calcolo termico di generatori di vapore, Tamburini Editore.
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20810141 -
Functional design
(objectives)
The Course will help the students to increase their capabilities in some fundamental tasks of the mechanical designers, such as the following. A) Capability of applying synthesis techniques to problems in mechanical engineering. This skill will make the students able to design innovative products with methods that are complementary to the classical methods based on material resistance and fatigue. B) Being prepared to the most challenging problems in mechanical design, structure dynamics via FEA , by upgrading their knowledge on fundamental issues of Applied Mechanics that are crucial for the design. C) Capability of applying their skills to the newest fields, such as MEMS/NEMS, Automation, Biomedical and Aerospace applications; D) Capability of designing mechanical components of vehicles, such as, automatic and epicyclic gearbox, differential, suspensions, dampers, steering mechanisms and clutches; E) Creativity in products design, acquired during practical sessions of cognitive techniques, lateral thinking and Atlases consulting.
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BELFIORE NICOLA PIO
( syllabus)
Introduction to Functional Design: design methods, classification according to Artobolewsky, functional classification: rigid body guidance, function generator, path generator. Topological Analysis and Synthesis of mechanisms: graph-mechanism correspondence; enumeration of kinematic chains, graphs isomorphism and planarity. Kinematic Analysis and Synthesis of mechanisms for finite displacements: method based on the displacement matrices, plane and spatial motions, Freudenstein’s equation. Kinematic Synthesis of mechanisms for infinitesimal displacements: Classical and Generalized Burmester’s Theory, general methods based on geometric invariants and on centrodes; kinematic analysis with kinematic invariants, cognate mechanisms. Automotive: automatic gearbox, epicyclic and differential gear drives, suspensions and steering mechanisms, clutches. Transmissions and actuation: parallel, bevel and skew axis transmissions, joints, principle of inertia match. Lubrication: Elasto-Hydro-Dynamic Lubrication EHL. Dynamic simulation of Multi Body Systems and of continuum structures: methods for the solution of the set of dynamic equations of a MBS with constraints; dynamic simulation of structures via FEA. Compliant mechanisms: Kinematic, kinetostatic and dynamic analysis and simulation of compliant mechanisms. Isotropic compliance: synthesis of the compliance in E(3) and SE(3) for mechanisms and robots. MEMS and NEMS: design, simulation, fabrication, characterization, test and operational strategies of micro/nano electro mechanical systems. Mechatronics: control of mechanisms in dynamic regime, mechanisms for the automation, ratchet and Geneva mechanisms, microcontrollers. Creativity in Design: Atlases of mechanisms, TRIZ and LT. Computational intelligence: optimization of mechanisms for performance indices, pressure angle and mechanical gain.
( reference books)
Materials available on the Moodle platform.
Di Benedetto, A., Pennestrì, E., Introduzione alla cinematica dei meccanismi, CEA, Voll. 1, 2 e 3.
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20810148 -
INDUSTRIAL MEASUREMENTS
(objectives)
The overall aim of the course of Industrial Measurements is to provide students with advanced knowledge and skills to orientate themselves among design, use and management of measurement systems in industrial processes depending on the technical requirements. In particular the selection criteria of the measurement system components are provided, based on an integrated approach taking into account not only the metrological and functional characteristics of the measuring devices, but also the evaluation of specifications typical of industrial applications and effective measurements. To this aim the analysis of available technologies and the good management practices for measurement instrumentation are considered. Moreover, part of the course is based on the study of specific standards, technical data-sheet and manuals as well as experimental laboratory activities.
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SCORZA ANDREA
( syllabus)
Performance and metrological characteristics of measurement systems for industry: basics of metrology and measurement methods. Analysis and processing of dynamic measurements. Applied statistics to industrial measurements and quality control. Fundamentals of Technical Writing. Measurement systems and signal processing for industrial applications: impedance matching, amplifiers, filtering, signal modulation and demodulation, bridge circuits, linearization, transmitters, communication standards of measurement devices. Elements of digital data acquisition systems for industrial applications. Network Infrastructures for Industrial Measurements: Fundamentals and Applications. Methods and devices for mechanical and thermal measurements in industry and manufacturing, e.g. non-invasive measurement systems, optical measurement methods, non-contact temperature measurement, level measurements, ultrasound systems, resistive, capacitive and inductive transducers, radiometric measurement systems, etc. Industrial Instrumentation management.
( reference books)
• W. C. Dunn, Fundamentals of Industrial Instrumentation and Process Control, McGraw-Hill, 2005. • C. W. de Silva , Sensors and actuators – Engineering System Instrumentation, CRC Press Taylor & Francis Group, 2015. • Beckwith T.G., Marangoni R.D. & Lienhard J.H, Mechanical Measurements, Pearson Prentice Hall, 2007. • Tony R. Kuphaldt, Lessons In Industrial Instrumentation, Samurai Media Limited, 2019. • Alessandro Brunelli, Manuale di taratura degli strumenti di misura, Gisiservizi, 2012. • G. Malagola, A. Ponterio, La metrologia dimensionale: teoria e procedure di taratura, Società Editrice Esculapio, 2013. • D.C.Montgomery, Introduction to Statistical Quality Control, John Wiley & Sons, Inc., 2009. • R. S. Figliola, D. E. Beasley, Theory and Design for Mechanical Measurements, 6th Edition, Wiley, 2015. • Hughes, T. Hase, Measurements and their Uncertainties A practical guide to modern error analysis, Oxford University Press Inc., New York, 2010. • W. Navidi, Probabilità e statistica per l'ingegneria e le scienze, Mc Graw Hill, 2006. • CEI UNI 70098-3: 2016, Incertezza di misura. Parte 3: Guida all'espressione dell'incertezza di misura • F. P. Branca, Misure meccaniche, E.S.A. Editrice, Roma 1980. • P. Cappa, Sensori e Trasduttori per Misure Meccaniche e Termiche, Voll. I-III, Borgia Editore, 1994. • Lecture notes
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ADVANCED TECHNOLOGIES
(objectives)
The Course of Technologies and Processing Systems provides students with the basic knowledge to orientate themselves among the traditional manufacturing processes of non-metallic materials. Specifically, the course allows the development of knowledge on the technologies of polymeric materials, composites and ceramics, materials that occupy an increasingly important weight in modern manufacturing processes. It is therefore a Course complementary to Mechanical Technology that studies the transformation processes of metal materials only. The Course of Technologies and Processing Systems includes elements on processes inherent in powder metallurgy and the related transformation processes. It also provides the knowledge base for the main unconventional and advanced processing technologies, including rapid prototyping technologies. Finally, it provides the rudiments on the so-called "green" technologies and the first indications on the aspects inherent to safety in production processes.
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BARLETTA MASSIMILIANO
( syllabus)
Processes of manufacturing polymeric materials. Classification of polymeric materials. Recall of the main technological properties. Extrusion. Blown extrusion. Extrusion and blowing. Calendering. Fiber production process. Injection moulding. Blow molding. Rotation molding. Compression molding. Transfer molding. Thermoforming. Fusion forming processes. Foaming processes. Joining of plastic materials. Processes of manufacturing composite materials. Classification of composite materials. Recall of the main technological properties. Contact, compression and vacuum molding processes. Molding processes of liquid composite materials. Foam injection molding. Tube molding. Prepreg manufacturing process. Filament winding. Pultrusion. Powder metallurgy and manufacturing processes of ceramic/glass materials. General information on metal powders, production processes and properties. Powder pressing process. Sintering processes. Sintered rework processes. Recall of the main technological properties of ceramic and glass materials. Conventional processes for manufacturing ceramic materials. Chemical vapor deposition. DIMOX processes. Reaction bonding. Sol-Gel Technologies. Polymer pyrolysis process. Melt casting. Forming processes of ceramic materials for powder metallurgy techniques. Unconventional manufacturing processes. Classification of unconventional manufacturing processes. Abrasive jet processing. Water jet processing. Water jet and abrasive processing. Ultrasonic machining. Chemical and photochemical processing. Electrochemical processing. Electrochemical grinding. Wire and die-sinking EDM. Electron beam processing. Laser beam processing. Plasma processing. Advanced manufacturing processes. “Net shape” and “Near Net Shape” processes (rapid prototyping). Microfabrication technologies. Nanotechnologies and applications. Manufacturing of semi-conductor devices. “Green” production technologies. Sustainability of industrial processes. Aspects relating to the safety of production processes.
( reference books)
Authors: Serope Kalpakjian, Steven R. Schmid Editor: Pearson Collection: Prentice Hall Edition: 5 Year: 2008
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