Nuclear power generation1

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Japan plans to export nuclear power generation technology to Vietnam, which could help supply Vietnam with stable electricity but also presents disadvantages. The document discusses how nuclear power works by using fission to heat water into steam to power turbines, but building nuclear reactors also risks toxic radiation leaks and potential accidents that could spread damage far and wide. It questions whether exporting nuclear technology is ethical given the costs nuclear disasters have imposed on survivors in Japan.

Nuclear power
generation
Japan will export Nuclear power
generation to Vietnam

NPG brought …. to Japan
A-bomb survivor
Despoiled nature
Lost their home
Lost their Job
Get sadness
etc.....

Nuclear
Nuclear power mechanism
reactor water turn
into steam steam

stea
m
gener
ator
turbine
water

Sea
water
Nuclear fission Steam return water
And produce
heat

Advantage ＆ Disadvantage
Advantage Disadvantage
1. Supply equable 1. need rigorous
power stewardship
2. Piece rate is 2. Occur toxicant

cheap radiogenic
3. Indicate technical 3. Accident damages

capabilities of far and wide
state 4. Toughen repair

Amount of Burn the Uranium
NPG (1 nuclear reactor, 1year)
1t

A-bomb of Hiroshima
800g

Stop 　
sacrifice others
countries to pursuit
　 affluence.

Rutherford's gold foil experiment led to the discovery of the nuclear model of the atom. When alpha particles were fired at a thin gold foil, most passed through but some were deflected or bounced straight back, which was unexpected. This led Rutherford to propose that the atom has a small, dense nucleus containing its positive charge and most of its mass, with empty space around it. Nuclear fission was later discovered, where the nucleus of an unstable atom splits into smaller nuclei, releasing energy. Nuclear fission reactors use this process to generate energy on a large scale.

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The document discusses the structure of atoms and radioactive decay. It describes the nucleus consisting of protons and neutrons orbited by electrons. Isotopes of an element have the same number of protons but different neutrons. Some nuclei are unstable and decay spontaneously by emitting an alpha or beta particle, changing the element. Radioactive materials can be detected by their ionizing radiation using devices like Geiger counters. Background radiation comes from natural and medical sources. Carbon-14 dating determines the age of once-living materials. Radioactivity has uses like thickness gauges but also health hazards that must be understood.

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The document summarizes the key concepts of nuclear fusion as an energy source. It discusses how fusion works by combining light atoms at high temperatures and pressures to release energy. It also outlines some of the major challenges of fusion like maintaining the superheated plasma long enough for reactions to occur. The document then describes the major components of a fusion reactor, including magnetic confinement to contain the plasma away from the walls of the reactor. It concludes by noting fusion has potential benefits but significant technological challenges remain before it can be achieved on a commercial scale.

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The document summarizes the ongoing situation at the Fukushima Daiichi nuclear power plant in Japan following the 2011 earthquake and tsunami. Highly radioactive water has leaked from the plant, exceeding operational limits for evacuation. Plutonium has also been detected at the site. Efforts to stabilize the damaged reactors are continuing but facing challenges from high radiation levels. The death toll from the disasters has surpassed 10,000 people while over 17,000 remain missing.

Nuclear power works by using heat from nuclear fission in a reactor to generate electricity. The three main benefits of nuclear power are that it produces no greenhouse gas emissions, has stable and relatively cheap prices, and uranium fuel is plentiful. However, the main disadvantages are the risks of radiation exposure to humans, potential reactor accidents, and the generation of long-lasting radioactive nuclear waste.

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The document discusses nuclear energy and nuclear power plants. It covers topics like nuclear reactions, components of nuclear reactors, types of reactors including pressurized water reactors and boiling water reactors, as well as the advantages and disadvantages of nuclear energy. It also provides a brief introduction to nuclear fusion and discusses a past incident at a nuclear power plant in the Philippines called the BNPP incident. The document concludes with a 5 question quiz about the content.

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The Great East Japan Earthquake occurred on March 11, 2011 near Fukushima with a magnitude of 9.0. At the Fukushima Daiichi Nuclear Power Station, all 6 reactors shut down automatically but cooling functions failed when emergency diesel generators were lost to tsunami flooding. Contaminated water has leaked from the reactor buildings and turbines. Temporary pumps are injecting water to cool reactor cores while contaminated water is pumped out. The Fukushima Daini Nuclear Power Station also shut down safely, with all 4 reactors achieving cold shutdown.

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This document discusses global warming and the role of nuclear power. It summarizes that global warming is caused by greenhouse gases like carbon dioxide and methane trapping heat in the atmosphere. The document then argues that nuclear power is not a viable solution to address global warming for three reasons: 1) Existing nuclear plants cannot significantly increase capacity utilization to make an impact; 2) Building new nuclear plants is too costly and will not make enough of a difference compared to investing in efficiency and renewables; 3) Nuclear power is unreliable due to risks of accidents and shutdowns. The document concludes that the best approaches are reducing energy demand through conservation and efficiency, as well as investing in micro power renewables.

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Radioactivity is the spontaneous disintegration of an unstable atom's nucleus accompanied by radioactive emissions. There are three main types of emissions: alpha particles, beta particles, and gamma rays. Radioactive elements will continue emitting emissions until their atoms become stable. Various detectors can detect different radioactive emissions, like Geiger-Muller tubes detecting beta particles and gamma rays. Radioactive decay is when an unstable nucleus changes into a more stable one by emitting radiation. Nuclear fission and fusion involve splitting or combining atomic nuclei and release energy. Nuclear power plants use controlled fission to generate electricity while producing radioactive waste that must be carefully managed.

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This document provides an overview of the Fukushima Daiichi nuclear accident that occurred in 2011 following an earthquake and tsunami in Japan. It discusses the plant designs, accident progression, spent fuel pools, radiological releases, and impact on US reactors. Key events included the loss of off-site power and emergency diesel generators due to flooding, melting of reactor cores due to lack of cooling, hydrogen explosions, and venting of radioactive gases. Lessons learned included enhancing backup cooling capabilities and emergency procedures for extreme events.

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DhavaleshwarPuvvati

Nuclear fusion is a promising source of clean, limitless energy that works by fusing together light atomic nuclei like deuterium and tritium. Fusion reactions occur naturally in stars and produce massive amounts of energy. Researchers are working to develop fusion power by using magnetic and laser confinement to generate extremely hot plasma and sustain fusion reactions. Fusion power plants would use deuterium from seawater and generate helium as a byproduct while producing far less radioactive waste than fission. Significant technological progress has been made but fully developing fusion energy remains challenging and is targeted for around 2050.

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adyaner

The document discusses how thorium-based nuclear power could provide a green and sustainable form of nuclear energy. It argues that thorium reactors could essentially eliminate long-term nuclear waste, improve safety through inherent design features, address proliferation concerns, reduce fuel and mining requirements by using abundant thorium, and lower costs. The key is using a liquid fluoride thorium fuel in a molten salt reactor design that can fully burn up the fuel and destroy existing nuclear waste. Historical molten salt reactor experiments demonstrated the viability and stability of the concept.

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