Condition Monitoring

1. VISUAL CONDITION MONITORING
 INSPECTION MIRRORS

2. BORESCOPES

3. PERISCOPE

4. ENDOSCOPE

5. VIBRATION MONITORING
Measuring Vibration
• Amplitude
Displacement
Velocity
Acceleration
• Frequency
• Phase

6. VIBRATION ANALYSIS

7. VIBRATION MONITORING TECHNIQUES
VIBRATION MONITORING
TIME DOMAIN FREQUENCY DOMAIN QUEFERENCY DOMAIN

8. TIME DOMAIN ANALYSIS

9. FREQUENCY DOMAIN ANALYSIS

10. TEMPERATURE MONITORING
Temperature crayons
Temperature sensitive tapes
Thermometer
Pistol thermometer
Infrared thermometer
Infrared thermography
Passive thermography
Active thermography

11. PISTOL THERMOMETER

12. ACTIVE INFRARED THERMOGRAPHY

13. LUBRICANT MONITORING
ELEMENTS OF LUBRICANT
 Iron
 Lead
 Copper
 Tin
 Boron
 Sodium
 Silver
 Calcium

14. TEST ON LUBRICANT OIL
Viscosity
Oxidation
Nitration/sulfation
Fuel soot
Fuel dilution
Glycol
Total Base Number
Toatal Acid Number
Oil Contamination
Solids content

15. TYPES OF LUBRICANT ANALYSIS
 Fluid properties analysis
 Fluid contamination analysis
 Wear debris analysis
LUBRICANT MONITORING TECHNIQUES
 Spectroscopic analysis
Molecular Spectroscopy
Atomic Emission Spectroscopy (AES)
Atomic Absorption Spectroscopy (AAS)
Infrared Spectroscopy
Rotating Disc Electrode (RDE)
Inductively coupled plasma (ICP)
Direct current plasma
X ray Fluroescence (XRF)
Energy Dispersive X ray Analysis (EDX)

16. Ferrography
Magnetic plug chip
Filter Debris Analysis

17. FILTER DEBRIS ANALYSIS

18. TYPES OF WEAR
Rubbing wear
Cutting Wear
Rolling fatigue
Combined rolling and sliding wear
Severe sliding wear

19. WEAR DEBRIS ANALYSIS METHODS
• Optical methods
There are three techniques used by applying optical method.
i) Light of obstruction technique
ii) Time of transition technique
iii)Forward reflectance technique
• Filter blockage
• Magnetic attraction
• Wear
• Ultrasound
• Radioactivity
• Electrical conductance
• Image analysis

20. CRACK MONITORING
• Liquid penetrant test
• Magnetic flux testing
• Electrical resistance testing
• Eddy current testing (ECT)
• Radiography testing
• Ultrasonic testing

21. LIQUID PENETRANT TEST

22. MAGNETIC FLUX TESTING

23. ELECTRICAL RESISTANCE TESTING

24. EDDY CURRENT TESTING (ECT)

25. RADIOGRAPHY TESTING

26. ULTRASONIC TESTING

27. LEAKAGE MONITORING
The commonly used leak testing methods are given below
Acoustic method
Bubble testing
Flow detection
Specific gas detector
Quantity loss determination
Some leakage monitoring methods
Interstitial monitoring
Level monitoring
Vapour monitoring
Liquid monitoring

28. CORROSION MONITORING
Weight loss method
Electrical resistance method
Linear polarization method
Corrosion potential measurement
Ultrasonic testing
Sentinel hole method