WELCOME ALL !
The purpose of our lives is to be
happy.
You see, my ambition was not to confound the engineering world but simply to create a beautiful piece of art. _Kit Williams
INFRARED THERMOGRAPHY
AND VIBRATION
MONITORING
What is in f rared thermography.? ?
Infrared thermography is equipment or method, which detects infrared energy emitted from object, converts it to temperature, and displays image of temperature distribution.
HISTORY OF IRT.!
PRINCIPLES OF INFRARED THERMOGRAPHY
•THERMAL IMAGING.
•THERMOGRAMS
• heat and temperature.
• > conduction•> convection•> radiation
NON DESTRUCTIVE TESTING
BUILDING EVALUATION
THERMAL IMAGES
THERMAL IMAGE OF A NUCLEAR POWER PLANT
THERMAL IMAGE OF WHITE HOUSE @washington DC
HOW CAN WE TAKE A
THERMAL IMAGE… ???
INFRARED CAMERA
Thermal image of a deformed bar under tension test.
Emission coefficients of different construction materials
ADVANTAGES OF IRT.•FAST INSPECTION RATE
•NON-CONTACT
•HIGH SECURITY
•LESS EXPENSIVE
LIMITATIONS OF IRT
•WO R K I N G W I T H R I G H T E N V I R O N M E N TA L C O N D I T I O N S I S E S S E N T I A L•M O I S T U R E A F F EC T E D A R EA S O F C O N S T RU C T I O N I S D I F F E R E N T TO R E L AT E W I T H T H E R M A L I M A G I N G•D I F F E R E N C E S A M O N G T H E R O O F T Y P E S M A K E T H E T H E R M O G R A P H I C P R O C E D U R E S D I F F I C U LT•L A C K O F S O L A R , LOA D I N G , C LO U DY N I G H T S K I E S , W I N D A N D H EAV Y D E W S M A K E S I T D I F F I C U LT•H EAV Y I LY S I N G L E P LY R O O FS A N D SYSY T E M S W I T H A S EC O N D L AY E R O F I N S U L AT I O N C A N B E C H A L L E N G I N G , B EC AU S E O F T H E R M A L C O M P L E X R E L AT I O N S H I P S
VIBRATION MONITORING
VIBRATION MONITORING DEVICE
PRIINCIPLES OF VIBRATION MONITORING•STRUCTURAL INTEGRITY MONITORING
•ARTIFICIAL NEURAL METHODS
CONCLUSION
QUESTION TIME..? ? ?