05_Titanic_TMI - CEE 597 Lecture 5 Three Mile Island System...

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 30 January 2008 Jery Stedinger Lecture 05 1 CEE 597 – Lecture 5 Three Mile Island System Failure
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 30 January 2008 Jery Stedinger Lecture 05 2 Schedule Week 2 Mon Fly versus Drive : Read article in packet Wed What is a failure? Titanic, Three Mile Island Read page 1 of Chapter 9 Bignell & Fortune Read TMI article passed out Monday Fri Finish TMI; Challenger&Columbia Read Challenger, and respective articles in packet. Homework #1 due; Homework #2 distributed. Mon Bhopal, Natural Hazards, Terrorism Read Bhopal, and Zillman and Zimmerman articles in Ingleton (ed.), Natural Disaster Management Cohn - Uncertain World; Hass - Bioterrorism
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 30 January 2008 Jery Stedinger Lecture 05 3 What is failure?
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 30 January 2008 Jery Stedinger Lecture 05 4 Titanic Newpaper
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 30 January 2008 Jery Stedinger Lecture 05 5 Great Ship Titanic Sinks
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 30 January 2008 Jery Stedinger Lecture 05 6 Bignell and Fortune,   Understanding System Failures Chapter 9 – Systems and Failures    Failures often look like a short linear chain  of events ending in failure: Titanic hits iceberg;   hole in hull;   ship sinks;   people drown. Contained in course packet.
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 30 January 2008 Jery Stedinger Lecture 05 7 Bignell and Fortune,   Understanding System Failures Page Chapter 9 – Systems and Failures    Failures often look like a short linear chain  of events ending in failure: Titanic hits iceberg;   hole in hull;   ship sinks;   people drown.
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 30 January 2008 Jery Stedinger Lecture 05 8 System Failure: Titanic Disaster OR Steaming at 22 knots! Ship thought to be unsinkable Could float with 4 of 16 compartments damaged Estimates are that 6 were damaged by 300 foot gash Or was it a problem with unknown properties of steel plate. No International Ice Patrol Liner California was 20 miles distance and sailed away No radio operator on duty Lifeboats for 1,200 but 2,200 people aboard! Met regulations which were based upon tonnage not number of passengers. Where did failure start?
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 30 January 2008 Jery Stedinger Lecture 05 9 Titanic Disaster–Or was it mateials? Or was the failure because we did not understand properties of the steel? Do we every completely understand properties of our engineered systems?
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 30 January 2008 Jery Stedinger Lecture 05 10 Character of System Failure • System performance is judged to be unsatisfactory when: (i)  below well-defined standard (ii)  below expectations (iii) significant losses occur •  Can have catastrophic losses,   minor losses, or just missed opportunities  Partial or complete failure Slow or sudden Failure is often  multicausal   with  multiple effects
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 30 January 2008 Jery Stedinger Lecture 05 11 CEE 597 – Lecture 5 Three Mile Island
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 30 January 2008 Jery Stedinger Lecture 05 12 Notable Nuclear Accidents Oct. 7, 1957 – A fire in the Windscale 
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This note was uploaded on 03/29/2009 for the course CEE 5950 taught by Professor Carr during the Fall '08 term at Cornell University (Engineering School).

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05_Titanic_TMI - CEE 597 Lecture 5 Three Mile Island System...

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