FORENSIC ENGINEERING Title - Asian Utility Week 2019 · What is forensic engineering? Engineering...
Transcript of FORENSIC ENGINEERING Title - Asian Utility Week 2019 · What is forensic engineering? Engineering...
Subtitle
Title FORENSIC ENGINEERING The Art of Learning from Failures
Ir. Norul Rafiq bin Namas Khan Technical Expert (Failure Analysis)
Forensic Engineering Group TNB LABS Sdn. Bhd.
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Introduction What is forensic engineering?
Engineering investigation and determination of the causes of equipment related failures or accidents.
Data Driven Decision Making
1.Manpower 2.Accident prevention
1.Maintenance 2.Spare Parts Management
1.Litigation 2.Warranty 3.Insurance
Root Cause Analysis
*Source: ThinkReliability 2019
History
Flight MH370, 2014
Hindenburg, 1937.
SPUR INNOVATION
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General Methodology
INVESTIGATION PHASES
Site Inspection
Non Destructive
Test
Destructive Test
Electrical Stress
Simulation
Root Cause Analysis
Test Hypothesis > Root cause
ACTIVITIES
Involves site inspection, interviews, laboratory teardown examination, laboratory testing and analysis and identification of most possible cause of the failure.
Open mind
Support theories
with evidence.
Integrity in
reporting
IN AN INVESTIGATION OF REPEATED ELECTRICAL JOINT FAILURES, WE LEARN… 1. Insufficiently tightened busbars
experience Ohmic heating. 2. Overtightening also may cause ohmic
heating, HOW? 3. Shortcoming of thermography.
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Key Takeaways
Right mind set to learn and not let good failures go to waste!
Impetus to embrace learning
Negative Emotions
The Bystander Effect
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Thank you.
Norul Rafiq