Geothermal energy
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Geothermal Energy is the thermal energy generated and stored in the Earth’s surface. so we should know about this. In this PPT you can get various knowledge about that.
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Sources of energy
Fossil fuels are non-renewable sources of energy formed from the remains of ancient organisms. They cause air and water pollution when burned and are found in limited reserves. Biomass is plant matter grown to generate electricity or heat, while biogas is produced from organic waste through anaerobic digestion. Wind energy uses wind turbines to generate electricity from kinetic wind energy. Solar energy uses solar panels and cookers to convert sunlight into electricity or heat energy. Tidal, wave, and ocean thermal energy convert the kinetic energy of tides and ocean temperature differences into electricity. Geothermal energy uses underground heat sources to generate steam and electricity. Nuclear energy produces energy through either nuclear fission of uranium atoms or nuclear fusion of
Sources of energy
Energy can be obtained from various sources and is divided into conventional and non-conventional sources. Conventional sources include fossil fuels like coal, petroleum and natural gas, which were formed from the remains of ancient plants and animals but are being depleted. Non-conventional sources include renewable energy from solar, wind, and hydroelectric power. Fossil fuels are a non-renewable source and their combustion causes air and water pollution and global warming, so they must be used judiciously and alternatives developed.
Sect 17.3
The document discusses various energy sources including fossil fuels like coal, oil and natural gas which were formed from ancient plants. It also discusses renewable sources like solar, wind, hydroelectric and geothermal energy as well as nuclear energy. Fossil fuels are nonrenewable since they are being used faster than they can be replaced, while solar is considered an inexhaustible source since the sun will provide energy for billions of years. The document provides information on how different energy sources work and their advantages and disadvantages.
Geothermal energy
This document provides an overview of geothermal energy. It discusses that geothermal energy comes from heat within the Earth, primarily from radioactive decay and original formation. History of geothermal energy use is described from ancient hot springs to the first geothermal power plant in 1911. Resources section notes Earth's internal heat flow and potential. Direct uses include heating and greenhouses. Geothermal electricity is generated in 24 countries as of 2010, led by the US. Advantages are renewable and continuous energy, while disadvantages include costs and potential pollution from fluids.
Sources of energy
Sources of energy renewable and non renewable resources atomic energy solar energy wind energy coal petroleum natural resorces
Nuclear energy
Nuclear energy is generated from nuclear fission or fusion reactions. Fission occurs when heavy radioactive elements like uranium split, releasing heat that can be used to generate electricity. Fusion combines light elements like hydrogen to form heavier elements and release energy, but cannot currently be used to generate electricity. There are two main ways to obtain nuclear energy - nuclear fission in power plants, which produces most nuclear energy today, and nuclear fusion, which powers the sun but has not been achieved on Earth. Nuclear energy has advantages of low emissions but disadvantages of high costs and radioactive waste storage challenges.
Earth subsystems
1. The Earth can be understood as a complex system consisting of interacting subsystems - the geosphere, hydrosphere, atmosphere, and biosphere.
2. These subsystems constantly exchange energy and matter through biogeochemical cycles like the carbon, water, and rock cycles. The sun is the main external source powering these cycles.
3. Together, the subsystems have coevolved over billions of years through processes operating across a wide range of spatial and temporal scales, from microns to thousands of kilometers and milliseconds to millions of years.
Geothermal power
Geothermal power generates electricity by harnessing heat from within the Earth. It is considered a renewable resource, though specific locations can eventually be depleted as the ground cools over many decades. Three main types of geothermal power plants exist - dry steam, flash, and binary cycle plants. The largest geothermal facility in the world is The Geysers in California, while other significant sites include those in Nevada, Indonesia, and Kenya. Geothermal energy also shows promise for desalination and heating applications.
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Sources of energy
Fossil fuels are non-renewable sources of energy formed from the remains of ancient organisms. They cause air and water pollution when burned and are found in limited reserves. Biomass is plant matter grown to generate electricity or heat, while biogas is produced from organic waste through anaerobic digestion. Wind energy uses wind turbines to generate electricity from kinetic wind energy. Solar energy uses solar panels and cookers to convert sunlight into electricity or heat energy. Tidal, wave, and ocean thermal energy convert the kinetic energy of tides and ocean temperature differences into electricity. Geothermal energy uses underground heat sources to generate steam and electricity. Nuclear energy produces energy through either nuclear fission of uranium atoms or nuclear fusion of
Sources of energy
Energy can be obtained from various sources and is divided into conventional and non-conventional sources. Conventional sources include fossil fuels like coal, petroleum and natural gas, which were formed from the remains of ancient plants and animals but are being depleted. Non-conventional sources include renewable energy from solar, wind, and hydroelectric power. Fossil fuels are a non-renewable source and their combustion causes air and water pollution and global warming, so they must be used judiciously and alternatives developed.
Sect 17.3
The document discusses various energy sources including fossil fuels like coal, oil and natural gas which were formed from ancient plants. It also discusses renewable sources like solar, wind, hydroelectric and geothermal energy as well as nuclear energy. Fossil fuels are nonrenewable since they are being used faster than they can be replaced, while solar is considered an inexhaustible source since the sun will provide energy for billions of years. The document provides information on how different energy sources work and their advantages and disadvantages.
Geothermal energy
This document provides an overview of geothermal energy. It discusses that geothermal energy comes from heat within the Earth, primarily from radioactive decay and original formation. History of geothermal energy use is described from ancient hot springs to the first geothermal power plant in 1911. Resources section notes Earth's internal heat flow and potential. Direct uses include heating and greenhouses. Geothermal electricity is generated in 24 countries as of 2010, led by the US. Advantages are renewable and continuous energy, while disadvantages include costs and potential pollution from fluids.
Sources of energy
Sources of energy renewable and non renewable resources atomic energy solar energy wind energy coal petroleum natural resorces
Nuclear energy
Nuclear energy is generated from nuclear fission or fusion reactions. Fission occurs when heavy radioactive elements like uranium split, releasing heat that can be used to generate electricity. Fusion combines light elements like hydrogen to form heavier elements and release energy, but cannot currently be used to generate electricity. There are two main ways to obtain nuclear energy - nuclear fission in power plants, which produces most nuclear energy today, and nuclear fusion, which powers the sun but has not been achieved on Earth. Nuclear energy has advantages of low emissions but disadvantages of high costs and radioactive waste storage challenges.
Earth subsystems
1. The Earth can be understood as a complex system consisting of interacting subsystems - the geosphere, hydrosphere, atmosphere, and biosphere.
2. These subsystems constantly exchange energy and matter through biogeochemical cycles like the carbon, water, and rock cycles. The sun is the main external source powering these cycles.
3. Together, the subsystems have coevolved over billions of years through processes operating across a wide range of spatial and temporal scales, from microns to thousands of kilometers and milliseconds to millions of years.
Geothermal power
Geothermal power generates electricity by harnessing heat from within the Earth. It is considered a renewable resource, though specific locations can eventually be depleted as the ground cools over many decades. Three main types of geothermal power plants exist - dry steam, flash, and binary cycle plants. The largest geothermal facility in the world is The Geysers in California, while other significant sites include those in Nevada, Indonesia, and Kenya. Geothermal energy also shows promise for desalination and heating applications.
Fossil Fuels
The document discusses different forms of energy, including fossil fuels like coal, petroleum, and natural gas which are formed from ancient lifeforms; wind energy which is captured by wind turbines; solar energy from sunlight that is captured by solar panels; hydro energy from water power that is converted to electricity; and nuclear energy from the bonds within atomic nuclei.
Use of nuclear power plants and weapons
The document discusses nuclear energy and nuclear power plants. It describes how nuclear power plants work by using heat from nuclear fission to create steam and turn turbines to generate electricity. The history of nuclear power is explored, along with countries that currently operate nuclear power reactors. Both advantages like low costs and disadvantages like radioactive waste and potential accidents are outlined. Nuclear weapons are also summarized, including the two main types - fission and thermonuclear weapons. Both perceived advantages of nuclear weapons like deterrence and disadvantages like environmental disasters are presented. The concept of nuclear disarmament is briefly introduced at the end.
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The document discusses seven main sources of energy: fossil fuels like oil, natural gas and coal which are formed from dead plants and animals over millions of years; solar energy from the sun which can be stored in batteries; wind energy from wind movement which is caused by solar heating and can be stored in batteries; fusion energy from nuclear fusion reactions combining light atomic nuclei; hydroelectric energy from water turbines converting the energy of falling or fast-flowing water; biomass energy from burning organic materials like wood; and geothermal energy from heat underground used to generate steam and electricity.
Nuclear power
Nuclear power was discovered over 100 years ago and has developed rapidly due to its role in nuclear weapons during the Cold War. While nuclear inventions have not been entirely positive, nuclear power is now being developed for peaceful uses to benefit humanity. Over 440 nuclear reactors around the world produce more than 25% of electricity in some countries. Although some oppose nuclear power due to risks like Chernobyl, scientists are working on safer nuclear technologies like fusion.
Nuclear Power
This document discusses the dangers of fossil fuel use and carbon dioxide emissions. It argues that nuclear power is a cleaner alternative that does not emit greenhouse gases. While nuclear power has faced challenges from accidents, the document claims it has never caused a death in the US. It recommends funding nuclear research and phasing out fossil fuel plants within 12 years as new nuclear plants and renewable energy sources are developed. Concerns about nuclear waste storage, terrorism, and costs are also addressed.
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Nuclear energy produces electricity through nuclear fission in reactors. Reactors contain nuclear fuel, moderators, coolants, steam generators and turbines to produce electricity, with containment structures protecting from radiation. While nuclear accidents at Three Mile Island, Chernobyl and Windscale changed safety protocols, the risks of nuclear energy are relatively low compared to other energy sources and no one died at Three Mile Island due to its containment building. Modern nuclear plants have multiple safety systems to prevent accidents and mitigate consequences.
Nuclear Power and Its Conflict
Nuclear power provides both benefits and risks. It can generate electricity and power while also posing dangers if misused. The document discusses the history of nuclear power development in several countries. It led to conflicts between nations developing nuclear weapons during the Cold War and other incidents like the Iran-Iraq war. Both advantages like clean energy production and disadvantages like radioactive waste are examined.
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conventional and non conventional source of energy
This document discusses conventional and non-conventional sources of energy. Conventional sources include fossil fuels like coal, oil, and gas, which are widely used but cause pollution and greenhouse gas emissions. Non-conventional or alternative energy sources mentioned are solar, wind, tidal, geothermal, and nuclear energy. These sources have lower carbon emissions than fossil fuels but nuclear energy requires proper implementation to avoid hazards from leakage. Going forward, countries will need to focus more on renewable alternative energy sources.
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Nuclear energy
Nuclear reactions occur when two nuclei or a nucleus and subatomic particle collide, producing different nuclides. There are two main types of nuclear reactions: fission and fusion. Fission reactions like those of U-235 release energy through neutron-induced chain reactions. Fusion reactions like that of deuterium and tritium have potential to provide future energy. Nuclear energy is mainly used to generate electricity but also has military, medical, and agricultural applications. It reduces greenhouse gas emissions compared to fossil fuels but nuclear fuels are non-renewable and accidents could release hazardous radioactive materials.
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The document discusses various types of renewable energy sources including solar energy, hydroelectricity, geothermal, wave power, wind power, biomass, biofuel, and tidal power. It then focuses on solar energy, describing how solar panels capture energy from sunlight and convert it directly into electricity through photovoltaics. Solar energy can also be used indirectly to heat a working fluid and power steam generators. The advantages of solar energy are its infinite supply and ability for individual dwellings to generate their own power, while disadvantages include high initial costs and its intermittent nature.
Nuclear Energy and sustainable development
This document discusses how nuclear energy can promote sustainable development through environmental protection, economic growth, and social welfare. It notes that nuclear energy produces far less greenhouse gas emissions and other pollution than coal power, as uranium fuel is very dense in energy. While nuclear power does produce radioactive waste, modern reactors burn fuel much more efficiently and produce only 1% of the total toxic waste stream. The document also argues that nuclear energy has stable costs, ensures energy security, and does not contribute to global warming. It provides Sweden as an example of a country that has significantly reduced its carbon emissions through reliance on nuclear power.
Is nuclear energy solution to our power problems ?
Nuclear energy originates from splitting uranium atoms through fission. At nuclear power plants, fission is used to generate heat and produce steam to power turbines and generate electricity. Construction costs for plants are very high but operating costs have decreased over time. Nuclear power produces radioactive waste that remains dangerous for hundreds of thousands of years, and accidents like Chernobyl show the risks of contamination. There are also concerns about nuclear materials being used for weapons.
Nuclear
Nuclear power currently provides around 20% of the world's electricity, with France obtaining about 80% of its power from nuclear energy. The U.S. began developing civilian nuclear programs after World War 2 and the first nuclear reactor to produce usable electricity was the Experimental Breeder Reactor-1 in Idaho in 1951. However, growth in nuclear power stalled after accidents like Three Mile Island raised public safety concerns. Major challenges facing expanded nuclear power are cost, safety, nuclear proliferation, and long-term waste storage.
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A2A Geothermal energy
Geothermal energy harnesses the natural heat from within the Earth as a source of energy. It originates from the Earth's formation and radioactive decay. Geothermal energy has advantages like being a natural and renewable resource that reduces reliance on fossil fuels. However, it also has disadvantages like high installation costs and limited availability. Several geothermal power plants around the world utilize underground steam and hot water to generate electricity, with the largest being Cerro Prieto in Mexico at 720MW capacity.
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This presentation gives a general overview of today\'s situation in Geo-thermal industry and its prospects of growths in the near future. Also some information about Ukraine\'s geo-thermal market is shown
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There are many forms of energy including potential, kinetic, light, sound, electrical, heat, and nuclear energy. Energy can be converted from one form to another but cannot be created or destroyed based on the law of conservation of energy. For example, solar panels convert light energy from the sun into electrical energy. Plants also convert light energy into chemical energy through photosynthesis. Understanding energy conversions is important as energy is constantly being transformed from one form to another to do work and power our daily lives.
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This reports represents basic aspects about geothermal energy,
This report contains
1. Introduction
2. Literature survey
3. Sources of Geothermal Energy
4. Geothermal Energy in India
5. Conversion of Geothermal Energy into Electricity
6. Costs Related to Geothermal Energy
7. Applications of Geothermal Energy
8. Conclusion
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Geothermal is a natural gift that is residual heat from the nuclear reactions that have occurred at the beginning of the formation of the earth and the universe
.
Preliminary Survey
The event, which includes the collection, analysis, and presentation of data related to information geological, geophysical, geochemical, to estimate the location and existence of geothermal resources as well as the Work Area.
Geothermal systems:
1).Heat Sources
2).Reservoir and Clay Cap
3). The existence of Hydrology System
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Efforts to use other fossil fuels are relatively inexpensive, such as gas and coal reserves of the world, adding to the community's dependence on fixed harness the energy source.Competitive electricity prices do not become less attractive to investors in investing.There have been many government policies that have been developed to increase the utilization of sustainable energy sources. However, to build new plants or even increase the installed capacity in the Work Area Mining (WKP) which has existed just steps still halting.The main obstacle seems today is the lack of integration between national energy policy with the implementation of government and stakeholders to do. It is time for the government to think far ahead, to improve the quality of life of the world to use it, through the heat of the earth as a supplier of electricity.
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This document provides an overview of solar energy, including its history, current applications, and future potential. It discusses how solar energy works and the two key components (collectors and storage). Applications mentioned include solar thermal technologies for water and space heating, electricity production, cooking, process heat, and desalination. The document also reviews various energy storage methods and the development, deployment, and economics of solar power over history.
Geothermal power
Geothermal power generates electricity by harnessing heat from within the Earth. It is considered a renewable resource, though individual locations can eventually be depleted as the ground cools over many decades. There are three main types of geothermal power plants - dry steam, flash, and binary. The largest geothermal plant is at The Geysers in California, producing around 1000 MW of power. Geothermal energy is also used globally with significant resources in the US, Philippines, Indonesia, and East African Rift region. While the heat source is ultimately finite, geothermal energy can provide electricity and heat for many decades from a single location.
Geothermal Energy
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About energy
Energy is Ability to do work.
The energy can take a wide variety of forms - heat (thermal), light (radiant), mechanical, electrical, chemical, and nuclear energy. There are two types of energy - stored (potential) energy and working (kinetic) energy. For example, the food you eat contains chemical energy, and your body stores this energy until you release it when you work or play.
Global Examples of Renewable Energy and Their Futures in the United States
This document summarizes global examples of renewable energy implementation with a focus on geothermal energy in Iceland and opportunities for the United States. Iceland has successfully harnessed geothermal energy, providing heat to 90% of homes and meeting 30% of electricity needs. Despite similar geological conditions, Hawaii has been less proactive in developing geothermal energy due to some cultural issues. The document argues Hawaii and other US regions could benefit economically and environmentally from increased geothermal energy development with proper research, support and engagement with indigenous communities.
Geothermal energy
Geothermal energy is thermal energy generated and stored in the Earth from radioactive decay within the Earth. It can be harnessed to generate electricity. Iceland generates the most geothermal energy for heating and the United States generates the most geothermal electricity. Geothermal energy production is the third highest among renewable energies and has significant cost savings compared to coal with very low carbon emissions.
Geothermal Energy
Geothermal energy harnesses the natural heat from within the earth for heating and cooling buildings and generating electricity. It has been used since the early 1800s when settlers discovered hot springs. The first geothermal power plant was built in Italy in 1904. While geothermal has many benefits like being renewable and unaffected by weather, drawbacks include high initial costs and location dependence. It works by circulating temperature-sensitive fluids through underground loops that are heated or cooled by the earth's constant temperature before being used to heat or cool buildings.
Suhasini
Geothermal electricity is generated by harnessing heat from within the Earth through technologies like dry steam, flash steam, and binary cycle power stations. Current worldwide installed geothermal capacity is 10,715 megawatts, with the largest capacity in the United States. Geothermal power produces significantly lower greenhouse gas emissions than fossil fuel power plants. While geothermal resources are considered sustainable, extraction must be monitored to avoid local depletion of individual wells or aquifers over time.
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Global Examples of Renewable Energy and Their Futures in the United States
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Geothermal energy
- 2. Geothermal Energy is the thermal energy generated and stored in the Earth’s surface.
- 4. Hot springs have been used for bathing at least since Paleolithic times the oldest known spa is a stone pool on China’s Lisan mountain built in the Qin dynasty in the 3rd century BC. In 1892, America's first district heating system in Boise, Idaho was powered directly by geothermal energy. A deep geothermal well was used to heat greenhouses in Boise in 1926, and geysers were used to heat greenhouses in Iceland and Tuscany at about the same time.
- 5. The Earth's internal thermal energy flows to the surface by conduction at a rate of 44.2 terawatts (TW), and is replenished by radioactive decay of minerals at a rate of 30 TW.
- 6. Outside of the seasonal variations, the geothermal gradient of temperatures through the crust is 25– 30 °C (45–54 °F) per kilometer of depth in most of the world.
- 9. Direct use and district heating systems
- 10. Electricity generation power plants In 2012, six states had geothermal power plants. There are three types of Power Plants: Dry steam plants Flash steam plants Binary cycle power plants
- 12. In the 20th century, demand for electricity led to the consideration of geothermal power as a generating source. Prince Piero tested the first geothermal power generator on 4 July 1904 in Italy. It successfully lit four light bulbs.
- 13. Later, in 1911, the world's first commercial geothermal power plant was built there. Experimental generators were built in Beppu, Japan and the California, in the 1920s, but Italy was the world's only industrial producer of geothermal electricity until 1958.
- 14. The International Geothermal Association (IGA) has reported that 10,715 megawatts (MW) of geothermal power in 24 countries is online, which is expected to generate 67,246 GWh of electricity in 2010.
- 15. The largest group of geothermal power plants in the world is located at The Geysers, a geothermal field in California. Country Capacity (MW) 2007 Capacity (MW) 2010 Capacity (MW) 2013 Percentage (%) of National Production USA 2687 3086 3389 0.30 Philippines 1969.7 1904 1894 27.00 Indonesia 992 1197 1333 3.70 Mexico 953 958 980 3.00 Italy 810.5 843 901 1.50 Japan 535.2 536 537 0.10
- 16. Environmental effects Fluids drawn from the deep earth carry a mixture of gases, notably Carbon dioxide (CO2), Hydrogen sulfide (H2S), Methane (CH4) and Ammonia (NH3). These pollutants contribute to global warming, acid rain, and noxious smells if released.
- 17. Environmental effects Existing geothermal electric plants emit an average of 122 kilograms (270 lb) of CO2 per megawatt-hour (MWh) of electricity, a small fraction of the emission intensity of conventional fossil fuel plants.
- 18. Environmental effects Direct geothermal heating systems contain pumps and compressors. If the electricity is produced by burning fossil fuels.
- 19. THANK YOU Presented By Manas Patra Electrical Engineering Final Year Asansol Engineering College