Three Mile Island Research Paper

Superior Essays
Three Mile Island
On March 28, 1979, the most serious and dangerous accident in the United States nuclear power operation took place in Harrisburg, Pennsylvania. Due to this event, the world viewed power plants differently and more training became mandatory. Eventually, the Institute for Nuclear power operations (INPO) was created. The Three Mile Island or TMI 2 is a big nuclear power plant in Pennsylvania. “A nuclear power plant is a thermal power station in which the heat source is a nuclear reactor.”(wiki.pg1). This event took place on the machine TMI-2. It all began at 4:00 a.m. on March 28 when the feed pump stopped working. Without the pump working the turbine water could not remove any of the heat from the water. This stopped the
…show more content…
It had closed 42 hours before the incident and it worked perfectly. The workers didn't check it perfectly and made some simple errors. As the machine was losing water it was also getting hotter. A tank of water automatically started to dump to cool the reactor. The pressure indicator was telling the workers the pressure was full of water. The workers then turned off the entering water. With no water to remove all of the heat, the fuel pellets began to melt. At 6:18 a.m. workers concluded that the PORV was opened. Once they realized this they closed it and turned the water pumps back on. At the time many people thought that nothing was burned, but 60% of the core …show more content…
Nine months after the accident, the INPO was formed to encourage the highest level of reliability and safety in operating power plants. In 1979, about two weeks after the accident “ President Jimmy Carter appointed a 12- member commission, headed by the late John Kemeny, then president of Dartmouth College, to investigate what had happened and the possible impact on the health and safety of the public and plant personnel.” (NEI pg.1). The commission's report recommended that the industry develop its own standards of excellence. The report also recommended training institutions for nuclear power plants. After the power Plant received this news the NRC moved quickly to investigate. It also reached the same conclusions as the

Related Documents

  • Improved Essays

    The Chernobyl disaster (1986) was probably the worst possible accident in a nuclear power plant. It was the biggest catastrophe ever happened since the beginning of operating nuclear power stations. It started by a total meltdown of the reactor core. The explosion and the consequent reactor fire, burning for 10 days, resulted in a vast emission of radioactive material, early deaths of 31 persons and adverse consequences for the public and the environment [198]. This Chernobyl disaster provided many invaluable lessons.…

    • 386 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    Little did they know that their devices used to give readings on the heat of the core. Now that the core had lost all the cooling water through the open valve it started over heating. The core’s temperature got to the point of which metal pipes that hold the nuclear energy they were making started melting. Nuclear energy, thought to be a great discovery only side effect is radiation poisoning, now starting to be released into the air on Three…

    • 658 Words
    • 3 Pages
    Improved Essays
  • Decent Essays

    The unit number 2 of the nuclear power plant in Three Mile Island, located near the city of Harrisburg, Pennsylvania, suffered a serious accident on March 28, 1979. A small leak in the steam generator triggered the worst nuclear accident in history of the USA, and the second worst in the history of nuclear power. The causes must be attributed to the design of that plant that made it extremely unsafe. The loss of coolant caused an increase in core temperature that eventually ended up melting fuel and this leading to the spread of a radioactive material that formed a hazardous hydrogen bubble that threatened to cause an explosion contaminating the building and perhaps cause a breach of containment.…

    • 384 Words
    • 2 Pages
    Decent Essays
  • Improved Essays

    Three Mile Island is situated on an island on the Susquehanna River. This is located by Harrisburg, Pennsylvania. The accident at Three Mile Island is said to be one of the most momentous incidents in the history of the American nuclear power industry. The cause of the accident was due to many different variables. There were many human decisions made that led up to the partial meltdown of the Three Mile Island Unit 2 reactor (britannica.com).…

    • 929 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Three Mile Island Accident Introduction Radioactive reactants are one of the leading source of electricity in our country thus making it very important to us. Radioactive compounds that are used to run the nuclear reactor's turbines by heating water into steam which run generators to produce electricity though are a dangerous hazard to us. There have been many nuclear plants accidents in our country, but the Three Mile Island accident is one of the most significant regarding hazard management ("How does a nuclear reaction take place?," n.d.) The purpose of this paper is to us to evaluate the Three Mile Island incident and conclude on why it's significant in our line of hazard management.…

    • 726 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    The accident started at 4am on wednesday, March 28, 1979, when the plant had a failure in the non-nuclear section that was either mechanical or electrical. This failure prevented the main water pump from allowing water to the main steam generators. The generators remove the heat from the reactor core. The build-up of heat caused the plant’s turbine generator and the actual reactor to shut down automatically.…

    • 1006 Words
    • 5 Pages
    Improved Essays
  • Improved Essays

    In the video “Meltdown At Three Mile Island” operators in Dauphin County, Pennsylvania contributed to a partial nuclear meltdown when they turned off the emergency water valve causing temperature to increase inside the plant. This error lead to a technological crisis that reached national concern where government officials and the president of the United States got involved. At first the residences highly relied on information that was provided by these officials. However, when the siren for an evacuation went off it triggered panic amongst communities. In this paper, I will first explain the elements that contributed to this disaster.…

    • 1071 Words
    • 5 Pages
    Improved Essays
  • Great Essays

    Three Mile Island Failure

    • 1142 Words
    • 5 Pages

    The commission also cited a need for agency-accredited training institutions for nuclear plant operators and immediate supervisors of operations” (CITATION). The impact on the nuclear industry was profound. In general, the attitudes of citizens in the United States and around the world shifted in regards to nuclear energy. There were more protests against nuclear power. According to the IAEA, “In 1979, the total capacity of nuclear power plants on order worldwide actually decreased by about 8000 MW(e); eight new plants were ordered but 14 previous orders were cancelled, and in subsequent years, US utilities continued to cancel orders they had already placed” (CITATION).…

    • 1142 Words
    • 5 Pages
    Great Essays
  • Improved Essays

    I agreed with most of your points. This was the record somber misfortune in U.S. commercial nuclear power plant working account, even though its minor radioactive discharges had no noticeable health possessions on plant personnel or the community. Operator mistakes in commerce with a pump that had locked down produced the Unit 2 pressurized-water apparatus to mislay coolant and overheat. The temperature of the reactor fundamental then design to the fact at which certain of the zirconium-alloy fuel covering unsuccessful, fuel the aforementioned moderately molten, and covering retorted with steam to create bubbles of vapor and hydrogen, which then fugitive into the reactor structure, laterally with fission products from the reactor core. As a consequence of the disappointment to adjacent a standby valve that could be functioned physically, coolant was not reinstated to the reactor central pending more than five hours afterward the calamity, by which time sufficient hydrogen had amassed in the structure to posture the treat of a low-level detonation.…

    • 815 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    These reactors are bad from instability at low power and easily go to fast, hard to control power increases. The accident happened as workers were testing reactor number four. The test was being conducted wrong. Six control rods were in place despite orders stating that a minimum of thirty rods were needed to maintain control, and the reactor's emergency cooling system had been shutdown as part of the test. An operator error caused the reactor's power to drop below certain levels, setting off a power surge that caused fuel rods to rupture, starting explosions that first destroyed the reactor core and then blew apart the reactor’s massive steel and concrete containment structure.…

    • 711 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    Three Mile Island Essay

    • 746 Words
    • 3 Pages

    The accident began about 4 a.m. on Wednesday, March 28, 1979 when the reactor was operating at 97% power. The problem was in secondary,…

    • 746 Words
    • 3 Pages
    Improved Essays
  • Great Essays

    The water in the separator drums had reached a dangerously low level. This problem was something that the engineers were used to, so they decided to ignore it. 22 minutes before 1 am that day, Anatoly Dyatlov would make a mistake that would lead to severe consequences. When he noticed that the reactors ' power had come to a complete stop, instead of closing the reactor and starting again, he ordered the engineers to pull the control rods. By doing this he didn’t realize that the engineers would lose control over the boron control rods in the reactors.…

    • 1554 Words
    • 7 Pages
    Great Essays
  • Improved Essays

    Some people who live in Richmond don’t want to agree on constructing a nuclear power plant because of they are frightened that it’s going to explode and cause a lot of damage. In March 1979, an accident occur in The Three Mile Island nuclear power plant in Pennsylvania which allowed a small leakage of radiation surround the atmosphere. Many people would fear that it can harm their health, but in Document A it states that “the leak had no demonstrable effect on the health of anyone at the plant or in the surrounding area.” In other words, the small leakage didn't put anyones health and the environments’ in danger. By this, we know that building a nuclear power has more pros than cons, and that there is nothing to worry about.…

    • 476 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    For example, Fukushima accident in Japan in 2013. Based on World Nuclear Association website, following a major earthquake, a 15-metre tsunami disabled the power supply and cooling of three Fukushima Daiichi reactors (“Fukushima Accident”). The accident was rated 7 on the INES scale which due to high radioactive releases over days 4 to 6. There was also a report of contaminated water around the area. From this example alone, the development of nuclear energy and its impact has several stakeholder.…

    • 700 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    It was the biggest nuclear disaster since Chernobyl, and nothing could have been done to prevent it, as there is no stopping nature. Then, in any extreme natural event, there is a risk of damage to a plant 's structure or contents, which could easily result in a release of contaminants. Nuclear energy has immense power, and it 's not surprising that that power can be harvested in a detrimental way. There is no remedy for the effects of radiation, which can cause cancer, genetic mutations, and a drastically shorter life expectancy. Given this, nuclear power plants are a prime target for acts of terrorism.…

    • 1246 Words
    • 5 Pages
    Improved Essays