IDRAULICA E COSTRUZIONI IDRAULICHE

Ingegneria Edile-Architettura IDRAULICA E COSTRUZIONI IDRAULICHE

0660100029
DIPARTIMENTO DI INGEGNERIA CIVILE
CORSO DI LAUREA MAGISTRALE A CICLO UNICO DI 5 ANNI
BUILDING ENGINEERING - ARCHITECTURE
2014/2015

OBBLIGATORIO
YEAR OF COURSE 4
YEAR OF DIDACTIC SYSTEM 2010
ANNUALE
CFUHOURSACTIVITY
1IDRAULICA E COSTRUZIONI IDRAULICHE - IDRAULICA
660LESSONS
2IDRAULICA E COSTRUZIONI IDRAULICHE - COSTRUZIONI IDRAULICHE
660LESSONS
Objectives
THE COURSE AIMS TO PROVIDE WORKING AND DESIGN PRINCIPLES OF MOST COMMONLY USED WATER WORKS IN BUILDINGS, WITH PARTICULAR ATTENTION TO THE HYDRAULIC APPLIANCES. THEORETICAL TOPICS ARE SUPPORTED AND SUPPLEMENTED BY CARRYING NUMERICAL EXERCISES AND BY DEVELOPING AFFORDABLE TECHNICAL-ECONOMIC SOLUTIONS TO BE PRESENTED IN TWO PROJECTS (ONE FOR SEMESTER).
Prerequisites
IN ORDER TO SUCCESSFULLY FULFILL PREDETERMINED GOALS, KNOWLEDGE OF MECHANICS OF CONTINUUM SYSTEMS IS REQUIRED.
Contents
FUNDAMENTALS
PROPERTIES OF FLUIDS - PRESSURE AND SHEAR STRESS - CAUCHY THEOREM – DIFFERENTIAL EQUATION OF HYDRODYNAMIC EQUILIBRIUM. NAVIER-STOKES EQUATIONS.

HYDROSTATICS
STEVIN’S EQUATION – PRESSURE DISTRIBUTION –PRESSURE MEASUREMENT - FORCE ACTING ON PLANE SURFACES - CENTRE OF PRESSURE – INTEGRAL EQUATION OF HYDROSTATICS -ARCHIMEDES' PRINCIPLE - FORCE ACTING ON CURVED SURFACES.

STEADY FLUID FLOWS
DEFINITION OF: TRAJECTORY, STREAMLINE, STREAM TUBE AND CURRENT – EULERIAN AND LAGRANGIAN APPROACH – CONTINUITY EQUATION IN DIFFERENTIAL AND INTEGRAL FORM - BERNOULLI'S THEOREM FOR FRICTIONLESS FLUIDS - POWER OF A CURRENT: EXTENSION OF THE BERNOULLI EQUATION TO A CURRENT - APPLICATION OF BERNOULLI'S THEOREM TO DISCHARGE FROM ORIFICES – PITOT AND PITOT-PRANDTL TUBES – VENTURI, NOZZLE AND ORIFICE METERS – FROM LAMINAR TO TURBULENT FLOWS: THE REYNOLDS’ EXPERIMENT - EQUATION OF MOTION FOR REAL FLUIDS: FRICTION AND LOCAL LOSSES - LAMINAR FLOW: POISEILLE’S FORMULA – TURBULENT FLOWS - DARCY -WEISBACH FORMULA - NIKURADSE EXPERIMENTS - SMOOTH PIPE - DEFINITION OF ROUGHNESS - MOODY - PRESSURE LOSSES FORMULAE: BLASIUS, PRANDTL, VON KARMAN AND COLEBROOK-WHITE - OVERVIEW OF PUMPS AND TURBINES – APPLICATIONS - INTEGRAL FORM OF HYDRODYNAMIC EQUATION EQUILIBRIUM AND ITS APPLICATION.

WATER SUPPLY SYSTEMS
PRINCIPLES: SYSTEMS, COMPONENTS AND ELEMENTS. - DESIGNING AND TESTING A SIMPLE AQUEDUCT. NOTES ON PRACTICAL FORMULAE. – AQUEDUCT CONSORTIUM SCHEME. – HYDRAULIC AND ECONOMIC PROJECT OF A PUMPING STATION. – ELECTRO-MECHANICAL FEATURES OF PUMPS. – PUMP CHOICE. – INTERNAL AND EXTERNAL CHARACTERISTIC CURVES OF PUMPS AND THEIR REGULATION. – WORKING POINT. – ATTENUATION CONTROL SYSTEMS OF RAPIDLY VARIED FLUID FLOW. – PIPELINE MATERIALS. – PIPELINE PRODUCTIVE CYCLE. – PIPELINE CORROSION, PROTECTION TECHNIQUES. - STATIC ANALYSIS OF PIPELINES.

WATER DISTRIBUTION SYSTEMS
WATER NETWORKS DISTRIBUTION: DESIGNING AND ECONOMIC CALCULUS. - TESTING WITH THE HARDY CROSS METHOD. - SUSTAINABILITY CRITERIA OF HYDRAULIC TESTING.

STEADY FREE SURFACE FLOWS
DEFINITION OF FREE SURFACE FLOWS. - TOTAL HEAD OF A CURRENT – CRITICAL CONDITION – SUPERCRITICAL, SUBCRITICAL AND CRITIC FLOWS – UNIFORM FLOW: RESISTANCE FORMULAE – RATING CURVES - MILD, STEEP AND CRITICAL SLOPE - EQUATION OF MOTION – BACKWATER PROFILES FOR MILD, STEEP AND CRITICAL SLOPE – BACKWATER PROFILES IN CASE OF RIVER BEDS HAVING DIFFERENT SLOPES AND/OR ROUGHNESS – INLET PROBLEMS – CHANNEL OUTLET – CHUTE IN A CHANNEL - GATE IN A CHANNEL – FLOW OVER WEIRS.

CLASSROOM PROJECTS
PRELIMINARY DESIGN OF A FIRE-FIGHTING WATER SYSTEM OR PRELIMINARY DESIGN OF HYDRAULIC EQUIPMENT SYSTEMS IN BUILDINGS
PRELIMINARY DESIGN OF A DRAIN SYSTEM FOR CONVEYING URBAN RUNOFF FROM BUILDINGS.
Teaching Methods
THE COURSE CONSISTS OF THEORETICAL LESSONS, CLASSROOM AND LABORATORY EXERCITATIONS. DURING THE ACTIVITIES IN THE LOCAL LABORATORY, STUDENTS, SPLIT IN GROUPS, WILL DEAL WITH THE PROJECT OF WATER WORKS AND HYDRAULIC APPLIANCES. AS GUEST OF THE LOCAL LABORATORY OF HYDRAULICS, THE STUDENT CAN OBSERVE AS WELL FREE SURFACE FLOW PROBLEMS.
Verification of learning
THE ASSESSMENT OF ALL PREDETERMINED GOALS WILL BE DONE THROUGH A WRITTEN TEST, WITH QUESTIONS OF BOTH HYDRAULICS AND HYDRAULIC ENGINEERING, AND AN ORAL EXAMINATION IN WHICH, IN ADDITION TO THE ANALYSIS OF THE THEORETICAL CONCEPTS, THE PROJECTS ASSIGNED DURING THE YEAR ARE DISCUSSED. TO PASS THE EXAM, THE STUDENT MUST DEMONSTRATE TO HAVE UNDERSTOOD ALL THE MAJOR CONCEPTS TOPICS AS WELL AS TO PROPERLY APPLY THEM. FINAL MARK, OUT OF 30 (30 CUM LAUDE IN THE CASE OF FULL MARK WITH DISTINCTION), DEPENDS ON THE LEVEL OF COMPETENCE BEING ACHIEVED, ON THE QUALITY OF THE WRITTEN AND ORAL EXAMINATION AS WELL AS ON THE MATURITY GAINED ON THE COURSE CONTENT (PERSONAL JUDGEMENT).
Texts
•V. MARONE, IDRAULICA, LIGUORI EDITORE, NAPOLI 1990.
•M. MOSSA, A. PETRILLO, IDRAULICA, CEA EDITORE, 2013.
•G. IPPOLITO, LEZIONI DI COSTRUZIONI IDRAULICHE, NUOVA EDIZIONE, LIGUORI EDITORE, NAPOLI.
•LECTURE NOTES HANDED OUT DURING LESSONS.
More Information
REFER TO THE FACULTY WEB SITE (HTTP://WWW.INGEGNERIA.UNISA.IT/) FOR CLASS TIMETABLE.
REFER TO THE TEACHERS’ WEB SITES (HTTP://WWW.DICIV.UNISA.IT/DOCENTI) FOR CONTACTS AND OFFICE HOURS.
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