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Fault tree analysis of Chernobyl Nuclear Explosion

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University of Aberdeen

   

Engineering Risk and Reliability Analysis (EG55P6)

   

Added on  2023-04-24

About This Document

  • This coursework is about the fault tree analysis of the Chernobyl nuclear explosion.
  • The disaster served as a wake-up call to the Soviet Union, leading to considerable modifications to its nuclear power industry, including tougher safety standards and improved accountability mechanisms.
  • The fault tree lists basic, intermediate, and undeveloped events that may have contributed to the disaster.
  • The analysis explores the causes and contributing factors of the Chernobyl disaster, including design flaws in the RBMK reactor, operator errors and actions, and organizational and managerial factors.
  • The scope of the analysis includes a detailed examination of the RBMK reactor design and its safety features, actions of the operators leading up to the disaster, and the organizational and managerial factors that played a role in the disaster.

Fault tree analysis of Chernobyl Nuclear Explosion

   

University of Aberdeen

   

Engineering Risk and Reliability Analysis (EG55P6)

   Added on 2023-04-24

ShareRelated Documents
Coursework
Fault tree analysis of Chernobyl Nuclear Explosion
Completed by
Md. Habibullah Minhaj
52214734
Fault tree analysis of Chernobyl Nuclear Explosion_1
2
Table of Content
1. Introduction....................................................................................................................................3
2. Fault tree..........................................................................................................................................4
3.List of events..................................................................................................................................5-6
4.Bounds and initial state of analysis...............................................................................................6
5.Scope of the analysis.......................................................................................................................6
6.Initial conditions............................................................................................................................6-7
7.Quantification of the FTA...............................................................................................................7
8.Justification of the undeveloped event.......................................................................................8
8.Probability calculation of the main event..................................................................................8-9
9.Discussion & Prevention Policies.................................................................................................10
10.References....................................................................................................................................11
Fault tree analysis of Chernobyl Nuclear Explosion_2
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Introduction
On April 26, 1986, the Chernobyl accident occurred in the town of Pripyat, located in the
north-western Ukrainian SSR, Soviet Union. The accident was caused by a combination of
human mistake, technical design errors, and a faulty safety culture.
The Chernobyl Nuclear Power Plant has four reactors, and during a normal test, reactor
number four underwent a sequence of explosions, resulting in a nine-day inferno. The
explosion emitted a tremendous amount of radioactive material into the atmosphere, which
spread across a large portion of Ukraine, Belarus, and Russia. The disaster's immediate
impact was terrible, with 31 people dying in the aftermath and an estimated 4,000 fatalities
from radiation exposure and cancer-related disorders.
The Chernobyl tragedy served as a wake-up call to the Soviet Union, which had extensively
invested in nuclear power as an energy source. The Soviet Union had a lengthy history with
nuclear power, dating back to the 1950s when the first nuclear power station, Obninsk, was
built. The Soviet Union had become a major producer of nuclear power by the 1970s, with
11 nuclear power facilities operational at the time of the Chernobyl tragedy.
Unfortunately, the Soviet Union's nuclear power industry was beset by issues such as a lack
of money for safety measures as well as a lack of openness and responsibility. The
Chernobyl tragedy exposed these shortcomings, forcing the Soviet Union to reconsider its
nuclear policy.
Following the Chernobyl accident, the Soviet Union made considerable modifications to its
nuclear power industry, including tougher safety standards and improved accountability
mechanisms. These measures eventually resulted in a safer nuclear industry in the Soviet
Union and around the world.
Fault tree analysis of Chernobyl Nuclear Explosion_3
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Fault tree analysis of Chernobyl Nuclear Explosion_4

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