Alessandro RUGGIERO | Control of Noise and Vibration
Alessandro RUGGIERO Control of Noise and Vibration
cod. 0612600028
CONTROL OF NOISE AND VIBRATION
| 0612600028 | |
| DIPARTIMENTO DI INGEGNERIA INDUSTRIALE | |
| EQF6 | |
| INDUSTRIAL ENGINEERING AND MANAGEMENT | |
| 2017/2018 |
| YEAR OF COURSE 3 | |
| YEAR OF DIDACTIC SYSTEM 2012 | |
| SECONDO SEMESTRE |
| SSD | CFU | HOURS | ACTIVITY | |
|---|---|---|---|---|
| ING-IND/13 | 6 | 60 | LESSONS |
| Objectives | |
|---|---|
| THE COURSE PROVIDES THE BASIC SKILLS NECESSARY FOR MONITORING AND REDUCING THE ENVIRONMENTAL AND INDUSTRIAL NOISE AND VIBRATIONS IN THE FRAMEWORK OF CURRENT LEGISLATIVE REQUIREMENTS. MOREOVER, LABORATORY EXERCISES, STUDY DAYS, VISITS TO COMPANIES OPERATING IN THE SECTOR ARE ORGANIZED. KNOWLEDGE AND UNDERSTANDING KNOWLEDGE ABOUT THE BASIC PHYSICAL PHENOMENA RELATED TO VIBRATION AND NOISE PHOENOMENA. SELECTION AND SETUP OF APPROPRIATE MEASURING INSTRUMENTS. KNOWLEDGE OF CURRENT LAWS. APPLYING KNOWLEDGE AND UNDERSTANDING KNOWLEDGE AND SKILLS TO CARRY OUT PROPER MONITORING OF ENVIRONMENTAL AND INDUSTRIAL VIBRATION AND NOISE. MAKING KNOWING HOW TO IDENTIFY THE MOST APPROPRIATE TECHNIQUES FOR MONITORING VIBRATIONS AND ACOUSTIC NOISE. COMMUNICATION SKILLS KNOWING HOW TO EXPOSE PROPERTIES WITH TECHNICAL LANGUAGE. ABILITY TO LEARN KNOWING HOW TO APPLY THEIR KNOWLEDGE TO DIFFERENT APPLICATIONS FROM THOSE PRESENTED DURING THE COURSE. |
| Prerequisites | |
|---|---|
| IS REQUIRED BASICAL KNOWLEDGE IN PHISYCS, MATHEMATHICS AND DYNAMICAL SYSTEM. |
| Contents | |
|---|---|
| DYNAMICAL SYSTEMS AND DYNAMICS FOR MACHINES (22-20) DYNAMICAL SYSTEMS WITH ONE DEGREE OF FREEDOM AND FREE AND FORCED VIBRATIONS. 2N DEGREES OF FREEDOM SYSTEMS. EIGENVALUES AND EIGENVECTORS. MODAL APPROACH. FREE AND FORCED VIBRATIONS. DYNAMICS COUPLED MACHINES: ABSOLUTE REGIME, PERIODIC REGIME, DESIGNING A FLYWHEEL. CRITICAL SPEEDS OF ROTORS ON RIGID AND ELASTIC BEARINGS. THE REVERSE WHIRLING. DYNAMICS OF RIGID ROTORS: THE EULER EQUATIONS. DYNAMICS OF RIGID ROTORS IN THE PRESENCE OF GYROSCOPIC INERTIA EFFECTS. DYNAMIC AND ROTOR BALANCING. DIAGNOSTIC TECHNIQUES FOR ROLLING BEARINGS, PLAIN, FOR THE ROTOR UNBALANCE, DIAGNOSTIC ANALYSIS OF EXHAUSTED LUBRICANTS (6). LINEAR SYSTEMS OF THE FIRST ORDER AND SECOND ORDER: RESPONSE TO INPUT STEP AND SINUSOIDAL; PSE AND GENERIC INPUTS (CONVOLUTION) AND PERIODICALS. SYSTEMS APPLICATION II ORDER SINUSOIDAL INPUT: THE PIEZOELECTRIC ACCELEROMETER. EQUATION OF MOTION OF THE SEISMIC MASS AND PROPORTIONALITY VOLTAGE AND CHARGE VS. AMPLITUDE ACCELERATION (MEASURING). HARMONIC ANALYSIS AND HARMONIC ANALYSIS OF DATA FILES. ATTENUATION / GAIN; OCTAVES, THIRD OCTAVE, OCTAVE CENTERS PROCESSING NUMERICAL MEASURES OF TIME-VARYING MAGNITUDES; SAMPLING AND REPLICAS, ALIASING AND SHANNON THEOREM; NYQUIST FREQUENCY AND ANALOG PREFILTERING; EXAMPLE: REAL FILTER CONSTRUCTED WITH LINEAR SYSTEM OF THE FIRST ORDER; PASSBAND AND ATTENUATION OF -3 DB A / D CONVERSION AND SAMPLE LOG 12BIT RESOLUTION AND AMPLITUDE |
| Teaching Methods | |
|---|---|
| LESSONS, EXERCISES, COMPUTER SIMULATIONS, LAB ACTIVITIES. COURSE IN ITALIAN. |
| Verification of learning | |
|---|---|
| ORAL TEST AIMED AT VERIFYING THE UNDERSTANDING OF THE SCHEMATIZATION AND DYNAMIC MODELING OF MECHANICAL SYSTEMS, AS WELL AS TO THE UNDERSTANDING OF THE DIAGNOSTIC PRINCIPLES OF MECHANICAL COMPONENTS. |
| Texts | |
|---|---|
| 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 NOTES FROM CLASSES. |
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