Nuclear Power Case Study Questions Essay
Order ID 53563633773 Type Essay Writer Level Masters Style APA Sources/References 4 Perfect Number of Pages to Order 5-10 Pages Description/Paper Instructions
Nuclear Power Case Study Questions Essay
Identify any three major ethical issues in the case and justify. [220 words]
Identify any three affected categories in the disaster and explain to what extend they were affected. [220 words]
As a decision maker how would you take decisions differently applying ethical principles. Suggest any three ethical principles and explain. [220 words]
4.“Inadequate monitoring of machines”. “Placement of roof plates does not confirm to designer specifications”. Consider the given violations and indicate if they were voluntary wrongdoings or intentional negligence. Justify your answer. [220 words]
What positive or negative moves /actions could have avoided the disaster? [220 words]
Chernobyl is a nuclear power plant in Pripyat, Ukraine. It is known for the nuclear disaster which occurred on April 26, 1986.At that time Ukraine was part of the Soviet Union.
This incident is considered as one of the worst disasters in the history of nuclear power. It was the product of a flawed Soviet reactor design coupled with serious mistakes made by the plant operators. It was a direct consequence of Cold War isolation and the resulting lack of any safety culture.
It was a unique event and the only accident in the history of commercial nuclear power where radiation related fatalities occurred. On 25 April, prior to a routine shut down, the reactor crew at Chernobyl 4 began preparing for a test to determine how long turbines would spin and supply power to the main circulating pumps following a loss of main electrical power supply.
This test had been carried out at Chernobyl the previous year, but the power from the turbine ran down too rapidly, so new voltage regulator designs were to be tested. Early on 26 April, a series of operator actions, like disabling of automatic shutdown mechanisms, preceded the attempted test.
By the time the operator moved to shut down the reactor, he found that the reactor was in an extremely unstable condition. There was a dramatic power surge caused by the control rods as they were inserted into the reactor. The interaction of very hot fuel with the cooling water led to fuel fragmentation, along with rapid steam production and an increase in pressure.
The features of the design of the reactor were such that substantial damage to even three or four fuel assemblies would result in the destruction of the reactor, and this is exactly what happened. The overpressure caused the 1000 t cover plate of the reactor to become partially detached, rupturing the fuel channels and jamming all the control rods, which by that time were only halfway down.
Intense steam generation then spread throughout the whole core. It was fed by water dumped into the core due to the rupture of the emergency cooling circuit. That caused a steam explosion and released fission products to the atmosphere. Approximately two to three seconds later, there was another explosion.
This threw out hot graphite along with fragments from the fuel channels. There is some dispute among experts about the character of this second explosion, but it is likely to have been caused by the production of hydrogen from zirconium-steam reactions. As a result of these explosions two workers died on the spot.
About a quarter of the 1200 tons of graphite was estimated to have been ejected. The fuel started burning causing the release of radioactivity into the environment. About 200-300 tons of water, per hour, was injected into the other half of the reactor that was intact. But, this was stopped after half a day, fearing the flooding of units 1 and 2.
From the second to tenth day Department of Professional Development & Humanities College of Engineering Ethics in Workplace UHS00101Sem. B Feb. 2020after the accident, some 5000 tons of boron, dolomite, sand, clay, and lead were dropped on to the burning core by helicopter to extinguish the blaze and limit the release of radioactive particles into the atmosphere.
The accident caused the largest uncontrolled radioactive release into the environment that continued for about10 days which in turn caused serious health hazards, for large populations in Belarus, Russia, and Ukraine. The casualties included firefighters who attended the initial fires on the roof of the turbine building.
RUBRIC
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