TERMODINAMICA E TRASMISSIONE DEL CALORE

Gennaro CUCCURULLO TERMODINAMICA E TRASMISSIONE DEL CALORE

0612300010
DIPARTIMENTO DI INGEGNERIA INDUSTRIALE
EQF6
MECHANICAL ENGINEERING
2016/2017

OBBLIGATORIO
YEAR OF COURSE 2
YEAR OF DIDACTIC SYSTEM 2014
ANNUALE
CFUHOURSACTIVITY
1TERMODINAMICA E TRASMISSIONE DEL CALORE
660LESSONS
2TERMODINAMICA E TRASMISSIONE DEL CALORE
660LESSONS
Objectives
THE AIM OF THE COURSE OF THERMODYNAMICS AND HEAT TRANSFER IS TO PROVIDE FOR THE KNOWLEDGE OF THE MAIN CONCEPTS OF THERMODYNAMICS, SYSTEMS CONVERSION OF
ENERGY AND HEAT TRANSFER. THE COURSE, LOCATED ON THE SECOND YEAR, 12 CREDITS WITH A DURATION ON TWO SEMESTERS. THE FIRST HALF IS DEVOTED TO THE THERMODYNAMICS, THE SECOND HEAT TRANSMISSION. THE FIRST PART OF THE COURSE WILL BE GIVEN BY PROF. RENNO, THE SECOND BY PROF. CUCCURULLO.
EXTENDED INFO CAN BE FOUND HERE:
HTTP://WWW.UNISA.IT/DOCENTI/CARLORENNO/DIDATTICA/TERMODINAMICA
HTTP://WWW.UNISA.IT/DOCENTI/GENNAROCUCCURULLO/DIDATTICA/MODALITA
Prerequisites
FOR THE SUCCESSFUL ACHIEVEMENT OF THE OBJECTIVES, THE KNOWLEDGE OF THE BASIC NOTIONS AS GIVEN IN THE FIRST YEAR COURSES OF MATHEMATICS AND PHYSICS IS REQUIRED.
Contents
THERMODYNAMICS

BASIC CONCEPTS AND DEFINITIONS
SYSTEM AND ENVIRONMENT. THERMODYNAMIC PROPERTIES. THERMODYNAMIC STATE. EQUATION OF STATE. PURE SUBSTANCE. STATES OF AGGREGATION. SIMPLE AND COMPRESSIBLE SYSTEM. THERMODYNAMIC EQUILIBRIUM. TRANSFORMATION ALMOST STATIC. CONVERSION CYCLE. ENERGY. WORK. HEAT. TEMPERATURE.

FIRST LAW OF THERMODYNAMICS FOR CLOSED SYSTEMS
INTRODUCTION. FIRST LAW OF THERMODYNAMICS FOR ISOLATED SYSTEMS. FIRST LAW OF THERMODYNAMICS FOR CLOSED SYSTEMS. FIRST LAW AS BALANCE EQUATION. ENTHALPY AND OTHER FORMULATIONS OF THE FIRST LAW OF THERMODYNAMICS FOR A CLOSED SYSTEM.

SECOND LAW OF THERMODYNAMICS FOR CLOSED SYSTEMS
INTRODUCTION. LIMITS OF THE FIRST LAW OF THERMODYNAMICS. ENTROPY POSTULATE. ENTROPY PROPERTIES. REVERSIBLE AND IRREVERSIBLE PROCESSES. SECOND LAW OF THERMODYNAMICS FOR ISOLATED SYSTEMS. MEASURABILITY OF ENTROPY. GIBBS EQUATIONS. SECOND LAW OF THERMODYNAMICS FOR CLOSED SYSTEMS. INEQUALITY OF CLAUSIUS. VOLUME CHANGE WORK. SPECIFIC HEAT. ENERGY CONVERSION SYSTEMS. DIRECT AND REVERSE CARNOT CYCLES.

GENERAL LAWS OF OPEN SYSTEMS
GENERAL. CONTINUITY EQUATION OF THE MASS. FIRST LAW OF THERMODYNAMICS. SECOND LAW OF THERMODYNAMICS. MECHANICAL ENERGY EQUATION.

STATES THERMODYNAMICS
PHASE IDENTIFICATION. THERMODYNAMIC PLANS. LIQUIDS, SOLIDS, STEAM AND GAS: MODELS, CALCULATION OF THE PROPERTIES AND TRANSFORMATIONS.
 
MOTOR AND OPERATOR PLANTS
GENERAL INTRODUCTION. COMPONENTS OF PLANTS. STEAM MOTOR PLANT. STEAM OPERATOR PLANT: REFRIGERATOR AND HEAT PUMP.

MOIST AIR
PROPERTY, EQUATIONS OF STATE, PSYCHROMETRIC CHART, ELEMENTARY TRANSFORMATIONS.

HEAT TRANSFER
THE OBJECTIVES OF THE THE COURSE. CONSTITUTIVE AND BALANCE EQUATIONS FOR HEAT TRANSFER.
 
CONDUCTION
ENERGY BALANCE AND BOUNDARY CONDITIONS. ONE-DIMENSIONAL CONDUCTION PROBLEMS. FINNED SYSTEMS. THERMAL TRANSIENTS: PROBLEMS HOMOGENEOUS AND INHOMOGENEOUS PROBLEMS. LUMPED AND SEMI-INFINITE BODY. OSCILLATING BOUNDARY CONDITIONS. ANALYTICAL AND GRAPHICAL SOLUTIONS.
 
CONVECTION
CLASSIFICATION. NUSSELT NUMBER. BALANCE EQUATIONS FOR MASS; MOMENTUM; ENERGY. THE SIMPLIFICATIONS OF THE DYNAMIC AND THERMAL BOUNDARY LAYER. APPROXIMATE SOLUTION OF THE THERMO-FLUID DYNAMIC FIELD: VELOCITY FIELD AND TEMPERATURE FIELD FOR THE ISOTHERMAL PLATE. MOTORCYCLES IN DUCTS. ENTRANCE AND FULLY DEVELOPED REGIONS. HEAT EXCHANGERS.
 
IRRADIATION
THERMAL RADIATION: SPECTRAL AND DIRECTIONAL FEATURES. INTENSITY OF THE RADIATION. BLACK BODY. RADIATIVE CHARACTERISTICS OF OPAQUE SURFACES: EMISSION - ABSORPTION - REFLECTION, DEFINITIONS AND MODELS. RELATIONSHIP BETWEEN THE EMISSION, ABSORPTION AND REFLECTION. SPECIAL SURFACES. HEAT TRANSFER BETWEEN SURFACES.
Teaching Methods
DURING THE COURSE LESSONS AND EXERCISES ARE PROVIDED IN THE CLASSROOM. SELECTED EXERCISES ARE ASSIGNED TO THE STUDENTS IN ORDER TO IMPROVE THE KNOWLEDGE OF THERMODYNAMICS, HEAT TRANSFER AND ENERGY CONVERSION SYSTEMS.
Verification of learning
THE ACHIEVEMENT OF THE PREFIXED OBJECTIVES WILL BE REALIZED BY WRITTEN TEST AND ORAL INTERVIEW. THE LATTER, IS TO BE HELD NECESSARILY IN THE SAME SESSION IN WHICH THE WRITTEN TEST IS PASSED. IS TYPICALLY SCHEDULED SEVEN DAYS AFTER THE WRITTEN TEST.
Texts
- A.CESARANO, P. MAZZEI - ELEMENTI DI TERMODINAMICA - LIGUORI EDITORE.
- R.MASTRULLO, P.MAZZEI, R.VANOLI - TERMODINAMICA PER INGEGNERI - LIGUORI EDITORE.
- G. CUCCURULLO, P. G. BERARDI, ELEMENTI DI TERMODINAMÍCA E TRASMISSIONE DEL CALORE, CUES, 2011 III EDIZIONE
PER ULTERIORI LETTURE SI CONSIGLIANO I SEGUENTI TESTI:
- ECKERT, DRAKE, ANALYSIS OF HEAT AND MASS TRANSFER, MCGRAW-HILL
- OZISIK, HEAT TRANSFER: A BASIC APPROACH, MCGRAW-HILL
- MYERS, ANALYTICAL METHODS IN CONDUCTION HEAT TTRANSFER, GENIUM PUB
- GUGLIELMINI, PISONI, ELEMENTI DI TRASMISSIONE DEL CALORE, VESCHI
- BEJAN, CONVECTION HEAT TRANSFER, WILEY
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