Control of Noise and Vibration

Ingegneria Gestionale Control of Noise and Vibration

0612600028
DIPARTIMENTO DI INGEGNERIA INDUSTRIALE
EQF6
INDUSTRIAL ENGINEERING AND MANAGEMENT
2022/2023

YEAR OF COURSE 3
YEAR OF DIDACTIC SYSTEM 2018
SPRING SEMESTER
CFUHOURSACTIVITY
660LESSONS
Objectives
THE COURSE GIVES THE FUNDAMENTAL OF ENVIRONMENTAL AND INDUSTRIAL NOISE AND VIBRATIONS MONITORING AND CONTROL.
Prerequisites
BASIC KNOWLEDGE OF MATHEMATICS AND PHYSICS
Contents
THE STUDY OF VIBRATIONS
MATHEMATICAL MODELING, PROBLEM IDENTIFICATION , MATHEMATICAL SOLUTION , PHYSICAL INTERPRETATION OF MATHEMATICAL RESULTS
GENERALIZED COORDINATES CLASSIFICATION OF VIBRATION SIMPLE HARMONIC MOTION. REVIEW OF DYNAMICS PRINCIPLE OF WORK-ENERGY
PRINCIPLE OF IMPULSE AND MOMENTUM, MODELING OF SDOF SYSTEMS
SPRINGS , VISCOUS DAMPING, ENERGY DISSIPATED BY VISCOUS DAMPING , EXTERNAL SOURCES FREE-BODY DIAGRAM METHOD, FREE VIBRATIONS OF SDOF SYSTEMS, HARMONIC EXCITATION OF SDOF SYSTEMS, COMPLEX REPRESENTATIONS, TRANSIENT VIBRATIONS OF SDOF SYSTEMS
TWO DEGREE-OF-FREEDOM SYSTEMS, INTRODUCTION DERIVATION OF THE EQUATIONS OF MOTION NATURAL FREQUENCIES AND MODE SHAPES
VIBRATION MEASURING INSTRUMENTS ACCELEROMETERS
FREE RESPONSE OF UNDAMPED SYSTEMS FREE VIBRATIONS OF A SYSTEM WITH VISCOUS DAMPING, PRINCIPAL COORDINATES, HARMONIC RESPONSE OF TWO DEGREE-OF-FREEDOM SYSTEMS, FREQUENCY RESPONSE, DYNAMIC VIBRATION ABSORBERS DAMPED VIBRATION ABSORBERS, VIBRATION DAMPERS.

ACOUSTIC AND NOISE CONTROL
INTRODUCTION, DECIBELS: DEFINITION AND USE, DECIBEL ADDITION, DECIBEL SUBTRACTION, DECIBEL AVERAGING; SOUND PRESSURE LEVEL, SOUND POWER LEVEL, SOUND INTENSITY LEVEL; FREQUENCY: DISCRETE FREQUENCIES, TONAL COMPONENTS, OCTAVE FREQUENCY BANDS, OCTAVE BAND LEVELS (1/3), A-, B- AND C-WEIGHTED SOUND LEVELS, CALCULATION OF A-WEIGHTED SOUND LEVEL; TEMPORAL VARIATIONS, SPEED OF SOUND AND WAVELENGTH, LOUDNESS SONS AND PHONS.
NOISE MEASUREMENT, THE PHONOMETER, ENVIRONMENTAL MEASUREMENT METHODS, TRAFFIC NOISE.
NOISE IN WORK PLACES. EXPERIMENTAL EXPERIENCES IN LAB.
Teaching Methods
LECTURES, EXERCISES, LAB ACTIVITY, SEMINARS OF EXPERTS IN THE FIELD, PROJECTION OF DIDACTIC CLIPS.
Verification of learning
FINAL ORAL EXAMINATION
Texts
V. D'AGOSTINO: FONDAMENTI DI MECCANICA APPLICATA ALLE MACCHINE- CUES
G. DIANA- F. CHELI: DINAMICA E VIBRAZIONE DEI SISTEMI- UTET
CYRIL M.HARRIS- MANUALE DI CONTROLLO DEL RUMORE- TECNICHE NUOVE – MILANO
B&K – NOISE CONTROL- B&K DENMARK
  BETA VERSION Data source ESSE3 [Ultima Sincronizzazione: 2022-11-21]