Aitana Renewable and non renewable sources
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This document discusses and provides examples of renewable and non-renewable energy sources. Renewable energy sources include solar energy generated from sunlight, wind power captured via wind turbines, hydraulic energy from falling or running water, and biomass derived from living organisms. Non-renewable sources that do not replenish quickly like coal, petroleum extracted from below ground, and natural gas formed from buried organic materials, are also outlined. Specific renewable technologies and characteristics of coal, petroleum, and natural gas are defined.
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Sources of Energy
The document discusses different sources of energy. It describes renewable energy sources like solar, wind, hydro, and biomass energy. It notes that renewable sources are sustainable but have inconsistencies based on weather. The document also covers non-renewable fossil fuels like coal, oil, and natural gas. Fossil fuels are abundant but finite, and their use contributes to pollution and climate change. Overall, the document provides an overview of various energy sources, both renewable and non-renewable.
GEOTHERMAL POWER PLANT
Our earth’s interior - like the sun – provides energy from nature. This heat – geothermal energy – yields warmth and power that we can use without polluting the environment.
Geothermal heat originates from Earth’s fiery consolidation of dust and gas over 4 billion years ago. At earth core – 4,000 miles deep – temperatures may reach over 9,000 degrees F
Sources of energy
The document discusses various sources of energy, dividing them into conventional and renewable sources. Conventional sources include natural gas, coal, and petroleum, which are finite and release greenhouse gases. Renewable sources like solar, wind, hydropower, biomass, tidal, geothermal and biofuels are unlimited and do not significantly contribute to global warming. Both sources have advantages and disadvantages - conventional sources provide reliable energy but are depleting and polluting, while renewable sources are sustainable but currently more expensive and difficult to implement on a large scale.
Hydro Energy (P Corry)
Hydro energy works by building dams to trap water from sources like lakes and rivers. The water builds up behind the dam, creating pressure. When released through tunnels with turbines inside, the water's pressure turns the turbines to generate electricity. Hydro energy has zero emissions and low operating costs once dams are built, but dams are very expensive to construct and can impact local environments. It provides a more sustainable alternative to power stations that burn fossil fuels and release greenhouse gases, as seen when comparing a coal-powered station to a hydroelectric dam. The document recommends hydro energy as a better long-term energy source due to dwindling fossil fuel supplies and its lower environmental impact.
Rock Types
There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form when magma cools and crystallizes, either underground or on the surface. Sedimentary rocks form through the compaction and cementation of sediments, usually deposited by water. Metamorphic rocks were originally igneous or sedimentary rocks, but were changed by extreme heat and pressure within the Earth's crust, altering their structure. Rocks can be transformed between these types through the rock cycle as they are weathered, eroded, deposited, buried deep within the Earth, and sometimes melted.
Main Form of Renewable Energy Resources
Renewable energy is energy which is generated from natural sources i.e. wind, sun, rain etc.what is Renewable energy resources?, How does energy compare to other renewable energy sources? http://www.wesrch.com/
Geothermal energy
availability of geothermal energy , world geothermal energy consumption , advantages and disadvantages. and geothermal energy in india.
Fossil Fuels
Fuels provide energy through a process of energy transformation called combustion. The three major fossil fuels are coal, oil, and natural gas. Fossil fuels are nonrenewable resources that were formed over millions of years from the remains of ancient organisms. While fossil fuels provide a large amount of the energy used today, they are being consumed faster than they are produced, so new energy sources will be needed to replace decreasing fossil fuel reserves.
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Sources of Energy
The document discusses different sources of energy. It describes renewable energy sources like solar, wind, hydro, and biomass energy. It notes that renewable sources are sustainable but have inconsistencies based on weather. The document also covers non-renewable fossil fuels like coal, oil, and natural gas. Fossil fuels are abundant but finite, and their use contributes to pollution and climate change. Overall, the document provides an overview of various energy sources, both renewable and non-renewable.
GEOTHERMAL POWER PLANT
Our earth’s interior - like the sun – provides energy from nature. This heat – geothermal energy – yields warmth and power that we can use without polluting the environment.
Geothermal heat originates from Earth’s fiery consolidation of dust and gas over 4 billion years ago. At earth core – 4,000 miles deep – temperatures may reach over 9,000 degrees F
Sources of energy
The document discusses various sources of energy, dividing them into conventional and renewable sources. Conventional sources include natural gas, coal, and petroleum, which are finite and release greenhouse gases. Renewable sources like solar, wind, hydropower, biomass, tidal, geothermal and biofuels are unlimited and do not significantly contribute to global warming. Both sources have advantages and disadvantages - conventional sources provide reliable energy but are depleting and polluting, while renewable sources are sustainable but currently more expensive and difficult to implement on a large scale.
Hydro Energy (P Corry)
Hydro energy works by building dams to trap water from sources like lakes and rivers. The water builds up behind the dam, creating pressure. When released through tunnels with turbines inside, the water's pressure turns the turbines to generate electricity. Hydro energy has zero emissions and low operating costs once dams are built, but dams are very expensive to construct and can impact local environments. It provides a more sustainable alternative to power stations that burn fossil fuels and release greenhouse gases, as seen when comparing a coal-powered station to a hydroelectric dam. The document recommends hydro energy as a better long-term energy source due to dwindling fossil fuel supplies and its lower environmental impact.
Rock Types
There are three main types of rocks: igneous, sedimentary, and metamorphic. Igneous rocks form when magma cools and crystallizes, either underground or on the surface. Sedimentary rocks form through the compaction and cementation of sediments, usually deposited by water. Metamorphic rocks were originally igneous or sedimentary rocks, but were changed by extreme heat and pressure within the Earth's crust, altering their structure. Rocks can be transformed between these types through the rock cycle as they are weathered, eroded, deposited, buried deep within the Earth, and sometimes melted.
Main Form of Renewable Energy Resources
Renewable energy is energy which is generated from natural sources i.e. wind, sun, rain etc.what is Renewable energy resources?, How does energy compare to other renewable energy sources? http://www.wesrch.com/
Geothermal energy
availability of geothermal energy , world geothermal energy consumption , advantages and disadvantages. and geothermal energy in india.
Fossil Fuels
Fuels provide energy through a process of energy transformation called combustion. The three major fossil fuels are coal, oil, and natural gas. Fossil fuels are nonrenewable resources that were formed over millions of years from the remains of ancient organisms. While fossil fuels provide a large amount of the energy used today, they are being consumed faster than they are produced, so new energy sources will be needed to replace decreasing fossil fuel reserves.
Energy resources
The document discusses seven main types of energy resources: solar, geothermal, hydroelectric, wind, biomass, nuclear, and fossil fuels. Solar energy comes from the sun and can be converted to thermal or electrical energy. Geothermal energy uses heat from inside the Earth, while hydroelectric harnesses the power of falling water. Wind and biomass energies respectively use air flow and plant materials as fuel sources. Nuclear energy comes from uranium atoms and is nonrenewable. Fossil fuels were formed from ancient plant and animal waste.
Chemical energy
Chemical energy is energy stored in the bonds of chemical compounds that is available for release through chemical reactions. It is found in fuels and foods and provides the energy for important processes like burning matches or powering our bodies. Chemical energy in matches is transformed to thermal energy when struck, while fuels and foods provide stored chemical energy for various uses.
#11 The Sun as an Energy Source
The Sun is the ultimate source of energy for life on Earth. It is 1 million times bigger than Earth but Earth only receives 1 billionth of its energy output due to its distance of 93 million miles. Some of the Sun's radiation is reflected or radiated back into space while enough remains to warm Earth and power its ecosystems. Earth's rotation causes day and night while its revolution around the Sun takes 365 days to complete. Its tilted axis and round shape cause the seasons as different hemispheres receive more direct sunlight throughout the year. Latitude affects climate zones, with the hottest temperatures at the equator and coldest at the poles due to the angle of the Sun's rays.
Alternative Energy Sources
The document discusses various alternative energy sources including renewable sources like solar, wind, hydropower, and biomass as well as non-renewable sources like fossil fuels and nuclear energy. It provides details on different solar energy technologies like solar thermal, photovoltaic, and passive solar. Hydropower harnesses the kinetic energy of moving water through various methods like dams, run-of-river systems, tidal power, and wave power. While fossil fuels and nuclear energy are easier to use, renewable sources are more environmentally friendly and sustainable long-term options.
Presentation on Geothermal Energy
This document outlines geothermal energy, which uses heat from within the Earth as a renewable energy source. Geothermal reservoirs are found in areas with geysers, hot springs, volcanoes, and boiling mud pots. These reservoirs contain hot water and steam that can be extracted to generate electricity in dry steam, flash steam, and binary cycle power plants. While the initial investment is high, geothermal electricity generation becomes cost competitive over time. The document also discusses geothermal energy potential and uses in India, as well as the advantages of being renewable and disadvantages like high upfront costs.
Solar energy
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Types of solar energy
Solar thermal energy
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Geothermal energy finalby SP
Geothermal energy is thermal energy generated and stored in the Earth. It originates from the Earth's formation and radioactive decay. Geothermal power stations use this heat to boil water/fluid which spins turbines to generate electricity. There are three main technologies: dry steam plants directly use geothermal steam; flash steam plants separate steam from hot water; binary cycle plants use a secondary fluid to extract energy from lower temperature resources. Geothermal energy has benefits of being renewable with low emissions, but also risks from toxic fluids and potential earthquakes during extraction.
Solar pond technology
Solar ponds use layers of saltwater to collect and store solar energy. They have three layers - a top layer at ambient temperature, an insulating middle layer, and a deep brine layer that reaches high temperatures. Heat is trapped by the dense saltwater bottom layer preventing convection. Solar ponds can be convecting, with a cover to reduce evaporation, or non-convecting to prevent convection within the pond. They have applications for heating, electricity generation, and desalination, and provide thermal energy without pollution. However, maintaining salt levels and replenishing evaporated water present challenges.
GEOTHERMAL ENERGY
Geothermal energy harnesses heat from within the earth and can be used directly or to generate electricity. It has significant potential but is location-dependent. Direct uses include heating buildings and greenhouses or providing heat for industrial processes from hot springs or underground reservoirs. Electricity is typically generated via dry steam, flash steam, or binary cycle power plants. While initial costs are high, electricity generation becomes competitive over time and provides stable prices. Geothermal energy has environmental benefits but also risks like induced seismic activity. India has geothermal provinces that could generate over 10,000 MW but development has just begun with pilot projects planned.
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Renewable and non renewable resources
Renewable resources such as solar, wind, water and biomass can be replenished naturally, unlike non-renewable resources like oil, coal and natural gas which are finite. Renewable resources provide nearly infinite energy but some options like solar are only available during daylight hours. Non-renewable resources produce little waste but are finite and their extraction and use pollutes the environment and contributes to climate change. Both renewable and non-renewable energy sources have economic and environmental advantages and disadvantages.
Renewable energy resources
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Phase changing materials
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Preparing for Volcanic Emergencies
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Over the last 2 million years, volcanoes have been depositing lava, tephra, and ash in particular areas of the globe. These areas occur at hot spots, rift zones, and along plate boundaries where tectonic subduction is taking place within the asthenosphere.
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Volcanic eruption
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Solar energy
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Energy tecnologies
This document discusses energy technologies. It defines energy technology as the efficient extraction, conversion, transportation, storage and use of energy. It describes non-renewable energy sources like coal, petroleum and natural gas that come from fossil fuels. Renewable energy sources like solar, wind, geothermal, biomass and hydropower are also discussed. The effects of renewable and non-renewable energy on the environment are compared, with non-renewable energy noted as producing more carbon emissions and being less environmentally friendly.
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The document discusses seven main types of energy resources: solar, geothermal, hydroelectric, wind, biomass, nuclear, and fossil fuels. Solar energy comes from the sun and can be converted to thermal or electrical energy. Geothermal energy uses heat from inside the Earth, while hydroelectric harnesses the power of falling water. Wind and biomass energies respectively use air flow and plant materials as fuel sources. Nuclear energy comes from uranium atoms and is nonrenewable. Fossil fuels were formed from ancient plant and animal waste.
Chemical energy
Chemical energy is energy stored in the bonds of chemical compounds that is available for release through chemical reactions. It is found in fuels and foods and provides the energy for important processes like burning matches or powering our bodies. Chemical energy in matches is transformed to thermal energy when struck, while fuels and foods provide stored chemical energy for various uses.
#11 The Sun as an Energy Source
The Sun is the ultimate source of energy for life on Earth. It is 1 million times bigger than Earth but Earth only receives 1 billionth of its energy output due to its distance of 93 million miles. Some of the Sun's radiation is reflected or radiated back into space while enough remains to warm Earth and power its ecosystems. Earth's rotation causes day and night while its revolution around the Sun takes 365 days to complete. Its tilted axis and round shape cause the seasons as different hemispheres receive more direct sunlight throughout the year. Latitude affects climate zones, with the hottest temperatures at the equator and coldest at the poles due to the angle of the Sun's rays.
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The document discusses various alternative energy sources including renewable sources like solar, wind, hydropower, and biomass as well as non-renewable sources like fossil fuels and nuclear energy. It provides details on different solar energy technologies like solar thermal, photovoltaic, and passive solar. Hydropower harnesses the kinetic energy of moving water through various methods like dams, run-of-river systems, tidal power, and wave power. While fossil fuels and nuclear energy are easier to use, renewable sources are more environmentally friendly and sustainable long-term options.
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This document outlines geothermal energy, which uses heat from within the Earth as a renewable energy source. Geothermal reservoirs are found in areas with geysers, hot springs, volcanoes, and boiling mud pots. These reservoirs contain hot water and steam that can be extracted to generate electricity in dry steam, flash steam, and binary cycle power plants. While the initial investment is high, geothermal electricity generation becomes cost competitive over time. The document also discusses geothermal energy potential and uses in India, as well as the advantages of being renewable and disadvantages like high upfront costs.
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Geothermal energy is thermal energy generated and stored in the Earth. It originates from the Earth's formation and radioactive decay. Geothermal power stations use this heat to boil water/fluid which spins turbines to generate electricity. There are three main technologies: dry steam plants directly use geothermal steam; flash steam plants separate steam from hot water; binary cycle plants use a secondary fluid to extract energy from lower temperature resources. Geothermal energy has benefits of being renewable with low emissions, but also risks from toxic fluids and potential earthquakes during extraction.
Solar pond technology
Solar ponds use layers of saltwater to collect and store solar energy. They have three layers - a top layer at ambient temperature, an insulating middle layer, and a deep brine layer that reaches high temperatures. Heat is trapped by the dense saltwater bottom layer preventing convection. Solar ponds can be convecting, with a cover to reduce evaporation, or non-convecting to prevent convection within the pond. They have applications for heating, electricity generation, and desalination, and provide thermal energy without pollution. However, maintaining salt levels and replenishing evaporated water present challenges.
GEOTHERMAL ENERGY
Geothermal energy harnesses heat from within the earth and can be used directly or to generate electricity. It has significant potential but is location-dependent. Direct uses include heating buildings and greenhouses or providing heat for industrial processes from hot springs or underground reservoirs. Electricity is typically generated via dry steam, flash steam, or binary cycle power plants. While initial costs are high, electricity generation becomes competitive over time and provides stable prices. Geothermal energy has environmental benefits but also risks like induced seismic activity. India has geothermal provinces that could generate over 10,000 MW but development has just begun with pilot projects planned.
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Renewable and non renewable resources
Renewable resources such as solar, wind, water and biomass can be replenished naturally, unlike non-renewable resources like oil, coal and natural gas which are finite. Renewable resources provide nearly infinite energy but some options like solar are only available during daylight hours. Non-renewable resources produce little waste but are finite and their extraction and use pollutes the environment and contributes to climate change. Both renewable and non-renewable energy sources have economic and environmental advantages and disadvantages.
Renewable energy resources
Organic-Based Sources; Landfill Methane; Biomass energy; Hydropower ; Flowing water (Hydroelectric); Tidal power (waves and tides); Wave; Geothermal Energy (Geothermal power); Hydrogen Energy; Solar energy: (Energy from sunlight Rapid growing) ; Wind Energy
Phase changing materials
Phase change materials (PCMs) store and release heat as they change between solid and liquid states. PCMs were researched by NASA in the 1970s-1980s for thermal regulation applications. Some PCMs like lithium chloride are used to manage electronics temperatures, while paraffinic hydrocarbons and plastic crystals have been incorporated into textile fibers and fabrics. When microencapsulated PCMs in fabrics melt upon heating or freeze upon cooling, they absorb or release latent heat to buffer the wearer's temperature changes.
Solar water heating system
Fabrication and analysis of passive type Solar Water Heating System.
The system is manufactured in the workshop of Quaid-e-Awam University of Engineering,Science and Technology for fulfillment of my Bachelor Engineering Degree.
The system was successful by which good results ontained in winter season through thermosiphon water heating process with 40% efficiency.
Study of Volcanism and volcano
what are Volcanism and volcano,
Distribution of Volcanoes
Kinds of Volcanoes
Types of Volcanic Hazards
Preparing for Volcanic Emergencies
A volcano is generally a conical shaped hill or mountain built by accumulations of lava flows, tephra, and volcanic ash. About 95% of active volcanoes occur at the plate subduction zones and at the mid-oceanic ridges. The other 5% occur in areas associated with lithospheric hot spots. These hot spots have no direct relationships with areas of crustal creation or subduction zones. It is believed that hot spots are caused by plumes of rising magma that have their origin within the asthenosphere.
Over the last 2 million years, volcanoes have been depositing lava, tephra, and ash in particular areas of the globe. These areas occur at hot spots, rift zones, and along plate boundaries where tectonic subduction is taking place within the asthenosphere.
The most prevalent kinds of volcanoes on the Earth's surface are the kind which form the "Pacific Rim of Fire". Those are volcanoes which form as a result of subduction of the nearby lithosphere.
Solar desalination, 040324
This document discusses various solar desalination methods for producing fresh water from saline or brackish water. It outlines that 480 million people lack access to clean water and 5 million die each year due to this. Several solar thermal and solar power driven desalination techniques are described, including solar stills, multi-effect evaporation, reverse osmosis, and freezing. The energy requirements, productivity, and costs of different desalination methods are compared. In conclusion, solar desalination is presented as an affordable way to produce fresh water, with the optimal method depending on location, required output, and water quality factors.
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This document defines and provides examples of different types of renewable energy sources, including solar, wind, tidal, hydroelectric, biomass, and geothermal energy. It explains that renewable energy comes from resources that replenish themselves naturally, such as sunlight, wind, rain, tides, waves and geothermal heat. For each type of renewable energy, it provides a brief description of how it works and can be used to generate electricity or power.
Energy resources
This document discusses various energy resources including renewable and non-renewable sources. It provides details on solar energy, wind energy, hydropower, and tidal power. Some key points made are:
- Renewable resources include solar, wind, hydropower, biomass, etc. and can be used continuously, while non-renewables like coal and gas are limited.
- Solar energy can be harnessed using solar collectors, cells, cookers, water heaters, and large power plants.
- Wind energy is captured through wind turbines in wind mills and large offshore wind farms.
- Hydropower uses dams and falling water to spin turbines and generate electricity.
- Tidal power
Energy resources .shi
This document discusses different types of energy resources. It outlines renewable energy resources like solar, wind, tidal, biomass, hydro, and geothermal energy. It also outlines non-renewable energy resources like coal, petroleum, diesel, kerosene, natural gas, naphtha, and nuclear energy. For each resource, it provides a brief description of what it is and how it is used as an energy source. It emphasizes the importance of protecting natural energy resources and adopting energy conservation practices.
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This ppt contains slides on renewable Energy with components:-
Solar energy
Wind energy
Tidal energy
Ocean Thermal energy
Geothermal energy
Biomass energy
Fuel cell
Energy to waste
Hydro power plant
A well designed and good looking ppt for school projects
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Aitana Renewable and non renewable sources
- 1. Renewable and non-renewable energy AITANA MONTOLIU CANO 6ºC
- 2. Renewable energy Renewable enrgy is energy which is generated from natural sources. They are available in plenty and by far most the cleanest sources of energy available on this planet. For example:
- 3. EXAMPLES SOLAR ENERGY WIND POWER HYDRAULIC ENERGY BIOMASS
- 4. SOLAR ENERGY Solar energy is radiant light and heat from the sun harnessed using a range of ever-evolving technologies such as solar heating, solar photovoltaics, solar thermal energy, solar architecture and artificial photosynthesis.
- 5. WIND POWER Wind power is extracted from air flow using wind turbines or sails to produce mechanical or electrical power.
- 6. HYDRAULIC ENERGY Hydraulic energy is power derived from the energy of falling water and running water, which may be harnessed for useful purposes.
- 7. BIOMASS Biomass is biological material derived from living, or recently living organisms.
- 8. Non-renewable energy Non-renewable energy is a resource that does not renew itself at a sufficient rate for sustainable economic extraction in meaningful human time-frames. For example:
- 10. COAL Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams.
- 11. PETROLEUM Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface, which is commonly refined into various types of fuels.
- 12. NATURAL GAS Natural gas is a fossil fuel formed when layers of buried plants, gases, and animals are exposed to intense heat and pressure over thousands of years.