infrared thermography and vibration monitoring
TRANSCRIPT
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WELCOME ALL !
The purpose of our lives is to be
happy.
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You see, my ambition was not to confound the engineering world but simply to create a beautiful piece of art. _Kit Williams
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INFRARED THERMOGRAPHY
AND VIBRATION
MONITORING
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What is in f rared thermography.? ?
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Infrared thermography is equipment or method, which detects infrared energy emitted from object, converts it to temperature, and displays image of temperature distribution.
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HISTORY OF IRT.!
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PRINCIPLES OF INFRARED THERMOGRAPHY
•THERMAL IMAGING.
•THERMOGRAMS
• heat and temperature.
• > conduction•> convection•> radiation
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NON DESTRUCTIVE TESTING
BUILDING EVALUATION
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THERMAL IMAGES
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THERMAL IMAGE OF A NUCLEAR POWER PLANT
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THERMAL IMAGE OF WHITE HOUSE @washington DC
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HOW CAN WE TAKE A
THERMAL IMAGE… ???
INFRARED CAMERA
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Thermal image of a deformed bar under tension test.
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Emission coefficients of different construction materials
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ADVANTAGES OF IRT.•FAST INSPECTION RATE
•NON-CONTACT
•HIGH SECURITY
•LESS EXPENSIVE
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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
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VIBRATION MONITORING
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VIBRATION MONITORING DEVICE
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PRIINCIPLES OF VIBRATION MONITORING•STRUCTURAL INTEGRITY MONITORING
•ARTIFICIAL NEURAL METHODS
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CONCLUSION
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QUESTION TIME..? ? ?