Unit SCIENCES AND TECHNIQUES OF ENVIRONMENTAL PROTECTION

Course
Environment and workplace prevention techniques
Study-unit Code
GP001506
Curriculum
In all curricula
CFU
7
Course Regulation
Coorte 2021
Offered
2022/23
Type of study-unit
Obbligatorio (Required)
Type of learning activities
Attività formativa integrata

ELECTROMAGNETIC FIELDS

Code GP001523
CFU 2
Teacher Marco Dionigi
Teachers
  • Marco Dionigi
Hours
  • 20 ore - Marco Dionigi
Learning activities Base
Area Scienze propedeutiche
Academic discipline ING-INF/02
Type of study-unit Obbligatorio (Required)
Language of instruction italian
Contents Electromagnetics theory and application to environmental protection.
Reference texts F. Ulaby "fundamentals of applied electromagnetics"
teacher's lecture notes
Educational objectives The student will first address electromagnetics issues with the aim of understanding the methodologies field level measurements
Prerequisites The student must have achieved capacity of understanding and analysis of problems related to phisics courses.
Teaching methods Theoretical lessons and practical training
Other information
Learning verification modality the exam is written with multiple answer questions and one open question.
Extended program Introduction: motivations and objectives of the course
- ELECTROSTATICS and MAGNETOSATICS:
o the coulomb law
o the electric field
o The Gauss law
o Insulators and conductors
o Electric potentials
o the electric current
o the magnetic field
o the Lorentz force
o forces between currents
o magnetic field generation
o the Ampere law
- ELECTROMAGNETICS:
o The Maxwell equations
o The electromagnetic waves
o the transmission lines
o The antenna radiation
- ELECTROMAGNETICS NUMERICAL SIMULATION:
o Numerical methods
o examples of commercial software
- eXPOSITION LIMITS TO THE EM FIELDS:
o the electromagnetic emissions
o the biological effects
o ICNIRP reccommendations(INTERNATIONAL COMMISSION ON NON-IONIZING RADIATION PROTECTION) and national law.
- Electromagnetic fields measurements:
o instruments
o techniques

CHEMISTRY IN ENVIRONMENT AND IN CULTURAL HERITAGE 2

Code GP001522
CFU 3
Teacher Roberta Selvaggi
Teachers
  • Roberta Selvaggi
Hours
  • 30 ore - Roberta Selvaggi
Learning activities Caratterizzante
Area Scienze della prevenzione nell'ambiente e nei luoghi di lavoro
Academic discipline CHIM/12
Type of study-unit Obbligatorio (Required)
Language of instruction Italian
Contents
Description of chemical and biological wastewater treatment processes.
Overview of the different methods and technologies used to control the release of air pollutants from urban and industrial sources.

Appropriate methods of storage, collection, transfer, treatment and disposal of solid wastes for industrialised and developing countries.
Reference texts
Chimica Ambientale, C. Baird e M. Cann, Zanichelli Editore S.p.A. – Bologna;
Educational objectives
Acquisition of skills in the field of waterwaste and air emission monitoring and purification, and of waste protection and management techniques.
Prerequisites
- Concepts of chemical equilibrium and chemical kinetics; - Knowledge of
inorganic chemistry;
- Knowledge of organic chemistry;
- Knowledge of the concepts of repartition between phases;
- Knowledge of the basic concepts of Environmental Chemistry.
Teaching methods
Lessons, group teaching activity (creation of a manuscript on industrial waste purification techniques)
Other information
Mandatory attendance
Learning verification modality
Multiple choice test and evaluation of the manuscript on industrial waste purification techniques created during the group activity.
Extended program
Wastewater treatment processes

Physical-chemical treatment processes;
Biological treatment processes;
Sludge treatment and disposal.

Technology for Air Pollution Control

Particulate Matter Control
Greenhouse Gas Emission Control
SO2 Emissions Control
VOC Emissions Control
NOx Emissions Control

Municipal solid waste management

Sources, composition and properties of solid waste;
Separation, processing, and transformation technologies of solid waste;
Biological and chemical conversion technologies.

SYSTEMS FOR ENERGY AND FOR THE ENVIRONMENT

Code GP001524
CFU 2
Teacher Linda Barelli
Teachers
  • Linda Barelli
Hours
  • 20 ore - Linda Barelli
Learning activities Caratterizzante
Area Scienze della prevenzione nell'ambiente e nei luoghi di lavoro
Academic discipline ING-IND/09
Type of study-unit Obbligatorio (Required)
Language of instruction Italian
Contents Operating principle, plant layout and performances of thermal energy conversion systems. Combustion study aimed to the reduction of poisoning species generation.
Reference texts lecture notes
Educational objectives Knowledge of main energy conversion systems and issues related to poisoning species delivery
Prerequisites --
Teaching methods face-to-face training
Other information --
Learning verification modality written exam
Extended program Programma esteso PROGR_EST Sì Richiami di termodinamica: grandezze termodinamiche, funzioni di stato (energia interna, entalpia), primo principio della termodinamica, equazione di stato (gas perfetto), trasformazioni termodinamiche , energia (calore, lavoro), potenza, unità di misura, strumenti di misura

Combustione: combustibili solidi, liquidi, gassosi; potere calorifico, temperatura adiabatica di fiamma, temperatura di accensione, dosatura, limiti di infiammabilità, rendimento di combustione; classificazione delle fiamme; meccanismi cinetici di formazione degli inquinanti (con particolare attenzione a NOx, CO); dipendenza delle emissioni attese al variare dei principali parametri di regolazione della combustione

Impianti di conversione dell'energia: motori a combustione interna alternativi
Motore a 4 tempi: principio di funzionamento; cicli termodinamici di riferimento (Otto, diesel, Sabathé); funzionamento reale e relativo ciclo termodinamico
Motore a 2 tempi: principio di funzionamento e schema realizzativo
Prestazioni dei motori a combustione interna alternativi: coefficiente di riempimento (definizione e strategie per il suo incremento: cilindri a 4 valvole, sovralimentazione); lavoro specifico e potenza erogata
Sistemi di iniezione

Impianti di conversione endotermici rotativi: impianti turbine a gas
Principio di funzionamento; ciclo termodinamico ideale, limite e reale; prestazioni (lavoro specifico e rendimento); rigenerazione termica; applicazioni (inclusa cogenerazione e ciclo combinato)

Impianti di conversione dell'energia a combustione esterna: impianti turbine a vapore
- ciclo termodinamico
- layout impianto
- miglioramenti al ciclo ai fini dell'aumento del lavoro specifico prodotto
- rigenerazione termica (grado di rigenerazione ottimale ai fini della massimizzazione del rendimento di impianto - caso di 1 spillamento)
- componenti di impianto (generatore di vapore, condensatore, rigeneratore, turbina)
Cicli combinati:
- layout di impianto, parametri di prestazione
- caldaie a recupero: curve di scambio termico.
Impianti di cogenerazione:
- schemi di impianto
- parametri di prestazione (definizione e range valori caratteristici per differenti configurazioni) Operating principle, plant layout, components and performances of thermal energy conversion systems: reciprocating internal combustion engines; gas turbines; steam plants; combined cycles. Combustion study aimed to the reduction of poisoning species generation.
Condividi su