SlideShare a Scribd company logo
1 of 34
SOURCES OF ENERGY
Energy
• Energy is the capacity of a physical system to perform
work. Energy exists in several forms such as heat, kinetic
or mechanical energy, light, potential energy, electrical, or
other forms.
>> Sources of Energy:
1. Conventional Energy Sources
2. Renewable Energy Sources
Conventional Energy Sources
• The term "Conventional" means "not unusual or extreme or
ordinary." Conventional energy sources are the traditional sources
of energy like coal and petroleum. Conventional energy sources
are finite. They will not last forever.
Natural Gas
Natural gas in its purest form is pure methane but before
it is refined, it also contains varying amount of ethane,
propane, butane and carbon dioxide. When refined, it is
colorless and odorless but can be burned to release large
amounts of energy.
Conventional Energy Sources
Coal
Coal releases large amounts of energy when it is burned
because of the density of hydrocarbons in the material. Coal
is formed by dead plants being put under significant
pressure and temperature for millions of years. There are
four grades of coal: lignite, subbituminous, bituminous coal
and anthracite. Bituminous coal is the best for releasing
energy and is the most commonly mined type of coal .
Conventional Energy Sources
Petroleum
Petroleum is formed from the compression of animal and plant remains over millions of
years. Petroleum has to be drilled for because it is usually located deep below the earth's
surface and is then refined to produce a number of different products including gasoline,
heavy fuel oil and diesel fuel.
Conventional Energy Sources
Advantages of Conventional Energy Sources
Conventional energy sources are proven technologies which
can provide energy regardless of the weather conditions unlike
solar and wind power which may go for days without being
able to produce substantial amounts of power. Currently, the
financial costs are much lower than alternative energy sources.
Conventional Energy Sources
Disadvantages of Conventional Energy Sources
 Petroleum, gas and coal are non renewable
energy sources which means that they will
eventually run out.
 These energy sources also release greenhouse
gases like carbon dioxide into the atmosphere
which contribute to global warming.
 Other pollutants released include sulfur and
nitrogen oxide, which can lead to acid rain and
mercury, which is harmful to humans when
ingested.
Renewable Energy Sources
 Renewable energy is natural energy which does not have a limited
supply. Renewable energy can be used again and again, and will
never run out.
 Renewable energy is energy which comes from natural resources
such as sunlight, wind, rain, tides and geothermal heat, which are
renewable (naturally replenished.)
 Renewable energy is an alternative to fossil fuels and nuclear
power, and was commonly called alternative energy.
Renewable Energy Sources
A list of renewable energy sources:
• Biomass
• Hydro
• Geothermal
• Solar
• Tidal
• Wave
• Wind
• Wood
Renewable energy replaces conventional fuels in four distinct areas:
 power generation,
 hot water/ space heating,
 transport fuels and
 rural (off-grid) energy services.
WIND ENERGY
Wind power
 Airflows can be used to run wind
turbines. Modern wind turbines range
from around 600 kW to 5 MW of rated
power, although turbines with rated
output of 1.5–3 MW have become the
most common for commercial use; the
power output of a turbine is a function of
the cube of the wind speed, so as wind
speed increases, power output
increases dramatically.
 Areas where winds are stronger
and more constant, such as
offshore and high altitude sites, are
preferred locations for wind farms.
Typical capacity factors are 20-
40%, with values at the upper end
of the range in particularly
favorable sites.
WIND ENERGY
WIND ENERGY
WIND ENERGY
Globally, the long-term technical potential of wind energy is believed
to be five times total current global energy production, or 40 times
current electricity demand. This could require wind turbines to be
installed over large areas, particularly in areas of higher wind
resources. Offshore resources experience mean wind speeds of
~90% greater than that of land, so offshore resources could
contribute substantially more energy.
Hydropower
 Energy in water can be harnessed and used. Since water is about 800 times
denser than air, even a slow flowing stream of water, or moderate sea swell, can
yield considerable amounts of energy.
 There are many forms of water energy:
Micro hydro systems are hydroelectric power installations that typically produce up
to 100 kW of power. They are often used in water rich areas as a remote-area power
supply (RAPS). There are many of these installations around the world, including
several delivering around 50 kW in the Solomon Islands.
Damless hydro systems derive kinetic energy from rivers and oceans without using
a dam. Ocean energy describes all the technologies to harness energy from the
ocean and the sea. This includes marine current power, ocean thermal energy
conversion, and tidal power.
Hydropower
Hydropower
Solar energy
 Solar energy is the energy derived from
the sun through the form of solar
radiation. Solar powered electrical
generation relies on photovoltaic and heat
engines. A partial list of other solar
applications includes space heating and
cooling through solar architecture, day
lighting, solar hot water, solar cooking,
and high temperature process heat for
industrial purposes.
Solar energy
Solar technologies are broadly characterized as either passive solar or active
solar depending on the way they capture, convert and distribute solar energy.
Active solar techniques include the use of photovoltaic panels and solar thermal
collectors to harness the energy. Passive solar techniques include orienting a
building to the Sun, selecting materials with favorable thermal mass or light
dispersing properties, and designing spaces that naturally circulate air.
Biomass (plant material) is a renewable energy source because the energy it
contains comes from the sun. Through the process of photosynthesis, plants
capture the sun's energy. When the plants are burned, they release the sun's
energy they contain. In this way, biomass functions as a sort of natural battery
for storing solar energy. As long as biomass is produced sustainably, with only
as much used as is grown, the battery will last indefinitely.
In general there are two main approaches to using plants for energy
production: growing plants specifically for energy use, and using the residues
from plants that are used for other things. The best approaches vary from
region to region according to climate, soils and geography.
Biomass
Biomass
Biomass
Biomass
Tidal Energy
 This is another unlimited and
inexhaustible source of energy.
The Gulfs of Kutch is preferably
suited to build up electricity
from the energy produced by
high and lofty tides entering into
slender creeks.
Tidal Energy
Tidal Energy
Biofuel
 Liquid biofuel is usually either bio alcohol such as bioethanol or an oil such as
biodiesel. Bioethanol is an alcohol made by fermenting the sugar components of
plant materials and it is made mostly from sugar and starch crops. With
advanced technology being developed, cellulosic biomass, such as trees and
grasses, are also used as feedstock for ethanol production. Ethanol can be used
as a fuel for vehicles in its pure form, but it is usually used as a gasoline additive
to increase octane and improve vehicle emissions.
 Biodiesel is made from vegetable oils, animal fats or recycled greases. Biodiesel
can be used as a fuel for vehicles in its pure form, but it is usually used as a
diesel additive to reduce levels of particulates, carbon monoxide, and
hydrocarbons from diesel-powered vehicles. Biodiesel is produced from oils or
fats using trans esterification.
Biofuel
Geothermal energy
Geothermal energy is energy
obtained by tapping the heat of the
earth itself, both from kilometers deep
into the Earth's crust in volcanically
active locations of the globe or from
shallow depths, as in geothermal
heat pumps in most locations of the
planet. It is expensive to build a
power station but operating costs are
low resulting in low energy costs for
suitable sites. Ultimately, this energy
derives from heat in the Earth's core.
Geothermal energy
 Three types of power plants are used to generate power from geothermal energy: dry
steam, flash, and binary.
 Dry steam plants take steam out of fractures in the ground and use it to directly drive
a turbine that spins a generator.
 Flash plants take hot water, usually at temperatures over 200 °C, out of the ground,
and allows it to boil as it rises to the surface then separates the steam phase in
steam/water separators and then runs the steam through a turbine.
 In binary plants, the hot water flows through heat exchangers, boiling an organic fluid
that spins the turbine. The condensed steam and remaining geothermal fluid from all
three types of plants are injected back into the hot rock to pick up more heat.
 The geothermal energy from the core of the Earth is closer to the surface in some
areas than in others. Where hot underground steam or water can be tapped and
brought to the surface it may be used to generate electricity.
Advantages of renewable energy sources
 Renewable energy sources consist of solar, hydro, wind, geothermal, ocean and
biomass. The most common advantage of each is that they are renewable and
cannot be depleted.
 They are clean energy, as they don't pollute the air, and they don't contribute to
global warming or greenhouse effects.
 Since their sources are natural the cost of operations is reduced and they also
require less maintenance on their plants.
Disadvantages of Renewable energy sources
A common disadvantage to all is that it is difficult to produce the large quantities of
electricity their counterpart the fossil fuels are able to. Since they are also new
technologies, the cost of initiating them is high.
• wind : turbines are expensive. Wind doesn't blow all the time, so they have to be part
of a larger plan.
• Solar :panels are expensive. Governments are not all willing to buy home generated
electricity. Not all climates are suitable for solar panels.
• waves : different technologies are being tried around the world. Scientists are still
waiting for the killer product.
• tides : barrages (dams) across river mouths are expensive to build and disrupt
shipping. Smaller turbines are cheaper and easier to install.
Disadvantages of Renewable energy sources
• Rivers : Dams are expensive to build and disrupt the environment. They have also
caused earthquakes.
• Geothermal : Difficult to drill two or three kilometers down into the earth.
• Biofuel : Often uses crop lands and crops (like corn) to produce the bio-alcohol.
This means that more land has to be cleared to grow crops, or there is not enough
food, or that food becomes more expensive.
Any questions?
THANK YOU 

More Related Content

What's hot

Solar energy
Solar energySolar energy
Solar energyAmeenah
 
Renewable non-renewable-energy-resources
Renewable non-renewable-energy-resourcesRenewable non-renewable-energy-resources
Renewable non-renewable-energy-resourcesRachit Walia
 
Presentation renewable energy resources
Presentation renewable energy resourcesPresentation renewable energy resources
Presentation renewable energy resourcesHemant yadav
 
Applications of solar energy
Applications of solar energyApplications of solar energy
Applications of solar energyAnkit Namdev
 
Non renewable-energy
Non renewable-energyNon renewable-energy
Non renewable-energyAkhil Lal
 
Energy conservation ppt
Energy conservation ppt  Energy conservation ppt
Energy conservation ppt Dixit Sethi
 
Solar energy ppt
Solar energy pptSolar energy ppt
Solar energy pptshubhajit_b
 
Sources of energy
Sources of energySources of energy
Sources of energyRobin Dabur
 
Renewable Energy Sources
Renewable Energy SourcesRenewable Energy Sources
Renewable Energy SourcesCorey Durward
 
Environmental Impact of Energy Sources
Environmental Impact of Energy SourcesEnvironmental Impact of Energy Sources
Environmental Impact of Energy Sourcespgiffenig
 
Conventional & non conventional energy sources.
 Conventional & non conventional energy sources. Conventional & non conventional energy sources.
Conventional & non conventional energy sources.MaitriThakor
 

What's hot (20)

Solar energy
Solar energySolar energy
Solar energy
 
Renewable non-renewable-energy-resources
Renewable non-renewable-energy-resourcesRenewable non-renewable-energy-resources
Renewable non-renewable-energy-resources
 
Energy conservation ppt
Energy conservation pptEnergy conservation ppt
Energy conservation ppt
 
Renewable energy and resources
Renewable energy and resourcesRenewable energy and resources
Renewable energy and resources
 
Geothermal Power
Geothermal PowerGeothermal Power
Geothermal Power
 
Renewable energy resources
Renewable energy resourcesRenewable energy resources
Renewable energy resources
 
Nuclear energy
Nuclear energyNuclear energy
Nuclear energy
 
Presentation renewable energy resources
Presentation renewable energy resourcesPresentation renewable energy resources
Presentation renewable energy resources
 
Applications of solar energy
Applications of solar energyApplications of solar energy
Applications of solar energy
 
Renewable sources of energy
Renewable sources of energyRenewable sources of energy
Renewable sources of energy
 
Energy conversion
Energy conversion Energy conversion
Energy conversion
 
Non renewable-energy
Non renewable-energyNon renewable-energy
Non renewable-energy
 
Energy conservation ppt
Energy conservation ppt  Energy conservation ppt
Energy conservation ppt
 
Solar energy ppt
Solar energy pptSolar energy ppt
Solar energy ppt
 
Sources of energy
Sources of energySources of energy
Sources of energy
 
Renewable Energy Sources
Renewable Energy SourcesRenewable Energy Sources
Renewable Energy Sources
 
Wind Energy
Wind EnergyWind Energy
Wind Energy
 
Energy resources
Energy resourcesEnergy resources
Energy resources
 
Environmental Impact of Energy Sources
Environmental Impact of Energy SourcesEnvironmental Impact of Energy Sources
Environmental Impact of Energy Sources
 
Conventional & non conventional energy sources.
 Conventional & non conventional energy sources. Conventional & non conventional energy sources.
Conventional & non conventional energy sources.
 

Viewers also liked

Viewers also liked (20)

Energy and environment
Energy and environmentEnergy and environment
Energy and environment
 
Energy production & consumption
Energy production & consumptionEnergy production & consumption
Energy production & consumption
 
Sources of Energy
Sources of EnergySources of Energy
Sources of Energy
 
Ppt on present energy scenario
Ppt on present energy scenarioPpt on present energy scenario
Ppt on present energy scenario
 
Solution of Pakistan's Energy Cricis
Solution of Pakistan's Energy CricisSolution of Pakistan's Energy Cricis
Solution of Pakistan's Energy Cricis
 
Energy - AS A-level geography (AQA)
Energy - AS A-level geography (AQA)Energy - AS A-level geography (AQA)
Energy - AS A-level geography (AQA)
 
Energy Sector Pakistan
Energy Sector PakistanEnergy Sector Pakistan
Energy Sector Pakistan
 
Hydroelectric Power
Hydroelectric PowerHydroelectric Power
Hydroelectric Power
 
Conventional energy sources
Conventional energy sourcesConventional energy sources
Conventional energy sources
 
Petroleum
PetroleumPetroleum
Petroleum
 
Energy resources
Energy resourcesEnergy resources
Energy resources
 
Energy Resources
Energy ResourcesEnergy Resources
Energy Resources
 
Energy resources
Energy resources Energy resources
Energy resources
 
Non renewable resources
Non renewable resourcesNon renewable resources
Non renewable resources
 
Energy resources
Energy resources Energy resources
Energy resources
 
Hydroelectric energy
Hydroelectric energyHydroelectric energy
Hydroelectric energy
 
Energy resources ppt
Energy resources pptEnergy resources ppt
Energy resources ppt
 
Energy resources
Energy resourcesEnergy resources
Energy resources
 
Energy resources
Energy resourcesEnergy resources
Energy resources
 
Conventional sources of energy
Conventional sources of energyConventional sources of energy
Conventional sources of energy
 

Similar to Sources of energy

Physics energy sources
Physics energy sourcesPhysics energy sources
Physics energy sourcesWali Arif
 
renewable-non-renewable-energy-resources-110308030738-phpapp02.pptx
renewable-non-renewable-energy-resources-110308030738-phpapp02.pptxrenewable-non-renewable-energy-resources-110308030738-phpapp02.pptx
renewable-non-renewable-energy-resources-110308030738-phpapp02.pptxFrancis de Castro
 
Energy megalokonomos makris
Energy megalokonomos makrisEnergy megalokonomos makris
Energy megalokonomos makrisVasso Servou
 
Non conventional energy souces by Raveendra Bagade
Non conventional energy souces by Raveendra BagadeNon conventional energy souces by Raveendra Bagade
Non conventional energy souces by Raveendra BagadeRavindraBagade1
 
Yaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGY
Yaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGYYaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGY
Yaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGYAyaan Sofi
 
Future sources of energy with major emphasis on biodiesel
Future sources of energy with major emphasis on biodieselFuture sources of energy with major emphasis on biodiesel
Future sources of energy with major emphasis on biodieselChetanChauhan123
 
Alternate source of energy
Alternate source of energyAlternate source of energy
Alternate source of energyLokamruth K.R
 
Importance of Green Energy and significance.pptx
Importance of Green Energy and significance.pptxImportance of Green Energy and significance.pptx
Importance of Green Energy and significance.pptxRafiaRayanabtbc
 
Physics presentation
Physics presentationPhysics presentation
Physics presentationSagar Bahl
 
Introduction to Power Generation
Introduction to Power GenerationIntroduction to Power Generation
Introduction to Power Generationgujjarsb
 
Alternative Resources Of Energy
Alternative Resources Of EnergyAlternative Resources Of Energy
Alternative Resources Of Energyarindamdas1990
 
Renuable energy source
Renuable energy sourceRenuable energy source
Renuable energy sourceR.RAJA SHARMA
 
Renewablespresentation 1229884774071197-1
Renewablespresentation 1229884774071197-1Renewablespresentation 1229884774071197-1
Renewablespresentation 1229884774071197-1suchisurya
 
Sources of Energy - $@mEe
Sources of Energy - $@mEeSources of Energy - $@mEe
Sources of Energy - $@mEeSamee Smd
 
sourcesofenergy-150602144639-lva1-app6892.pptx
sourcesofenergy-150602144639-lva1-app6892.pptxsourcesofenergy-150602144639-lva1-app6892.pptx
sourcesofenergy-150602144639-lva1-app6892.pptxpranavmishrafzd
 
Sourcesofenergy rohit &shabrinath 10th-b k.v vikas puri
Sourcesofenergy rohit &shabrinath 10th-b k.v vikas puriSourcesofenergy rohit &shabrinath 10th-b k.v vikas puri
Sourcesofenergy rohit &shabrinath 10th-b k.v vikas puriRohit Naik
 

Similar to Sources of energy (20)

Physics energy sources
Physics energy sourcesPhysics energy sources
Physics energy sources
 
renewable-non-renewable-energy-resources-110308030738-phpapp02.pptx
renewable-non-renewable-energy-resources-110308030738-phpapp02.pptxrenewable-non-renewable-energy-resources-110308030738-phpapp02.pptx
renewable-non-renewable-energy-resources-110308030738-phpapp02.pptx
 
Energy megalokonomos makris
Energy megalokonomos makrisEnergy megalokonomos makris
Energy megalokonomos makris
 
Sources of energy
Sources of energySources of energy
Sources of energy
 
Non conventional energy souces by Raveendra Bagade
Non conventional energy souces by Raveendra BagadeNon conventional energy souces by Raveendra Bagade
Non conventional energy souces by Raveendra Bagade
 
Non conventional sources of energy
Non conventional sources of energyNon conventional sources of energy
Non conventional sources of energy
 
Sustainable Energy.pptx
Sustainable Energy.pptxSustainable Energy.pptx
Sustainable Energy.pptx
 
Yaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGY
Yaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGYYaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGY
Yaseen Sofi RENEWABLE AND NON RENEWABLE SOURCES OF ENERGY
 
Future sources of energy with major emphasis on biodiesel
Future sources of energy with major emphasis on biodieselFuture sources of energy with major emphasis on biodiesel
Future sources of energy with major emphasis on biodiesel
 
Biomass ,tidal & geothermal energy
Biomass ,tidal  & geothermal energyBiomass ,tidal  & geothermal energy
Biomass ,tidal & geothermal energy
 
Alternate source of energy
Alternate source of energyAlternate source of energy
Alternate source of energy
 
Importance of Green Energy and significance.pptx
Importance of Green Energy and significance.pptxImportance of Green Energy and significance.pptx
Importance of Green Energy and significance.pptx
 
Physics presentation
Physics presentationPhysics presentation
Physics presentation
 
Introduction to Power Generation
Introduction to Power GenerationIntroduction to Power Generation
Introduction to Power Generation
 
Alternative Resources Of Energy
Alternative Resources Of EnergyAlternative Resources Of Energy
Alternative Resources Of Energy
 
Renuable energy source
Renuable energy sourceRenuable energy source
Renuable energy source
 
Renewablespresentation 1229884774071197-1
Renewablespresentation 1229884774071197-1Renewablespresentation 1229884774071197-1
Renewablespresentation 1229884774071197-1
 
Sources of Energy - $@mEe
Sources of Energy - $@mEeSources of Energy - $@mEe
Sources of Energy - $@mEe
 
sourcesofenergy-150602144639-lva1-app6892.pptx
sourcesofenergy-150602144639-lva1-app6892.pptxsourcesofenergy-150602144639-lva1-app6892.pptx
sourcesofenergy-150602144639-lva1-app6892.pptx
 
Sourcesofenergy rohit &shabrinath 10th-b k.v vikas puri
Sourcesofenergy rohit &shabrinath 10th-b k.v vikas puriSourcesofenergy rohit &shabrinath 10th-b k.v vikas puri
Sourcesofenergy rohit &shabrinath 10th-b k.v vikas puri
 

More from Chittagoang University of Engineering and Technology (13)

Introduction to Engineering Drawing
Introduction to Engineering Drawing Introduction to Engineering Drawing
Introduction to Engineering Drawing
 
Introduction to Engineering Drawing 2(Dimension errors)
Introduction to Engineering Drawing 2(Dimension errors)Introduction to Engineering Drawing 2(Dimension errors)
Introduction to Engineering Drawing 2(Dimension errors)
 
Applications of the energy sources
Applications of the energy sourcesApplications of the energy sources
Applications of the energy sources
 
Location and Layout
Location and LayoutLocation and Layout
Location and Layout
 
Critical Path Method(CPM)
Critical Path Method(CPM)Critical Path Method(CPM)
Critical Path Method(CPM)
 
Management information systems
Management information systemsManagement information systems
Management information systems
 
Marketing mix
Marketing mixMarketing mix
Marketing mix
 
Planning and Decision Making process
Planning and Decision Making processPlanning and Decision Making process
Planning and Decision Making process
 
Motivation
MotivationMotivation
Motivation
 
Human resource and Personnel management
Human resource and Personnel managementHuman resource and Personnel management
Human resource and Personnel management
 
Introduction of Industrial Management
Introduction of Industrial ManagementIntroduction of Industrial Management
Introduction of Industrial Management
 
Management Thoughts
Management ThoughtsManagement Thoughts
Management Thoughts
 
Leadership
LeadershipLeadership
Leadership
 

Recently uploaded

Internet of things -Arshdeep Bahga .pptx
Internet of things -Arshdeep Bahga .pptxInternet of things -Arshdeep Bahga .pptx
Internet of things -Arshdeep Bahga .pptxVelmuruganTECE
 
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTIONTHE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTIONjhunlian
 
Introduction to Machine Learning Unit-3 for II MECH
Introduction to Machine Learning Unit-3 for II MECHIntroduction to Machine Learning Unit-3 for II MECH
Introduction to Machine Learning Unit-3 for II MECHC Sai Kiran
 
IVE Industry Focused Event - Defence Sector 2024
IVE Industry Focused Event - Defence Sector 2024IVE Industry Focused Event - Defence Sector 2024
IVE Industry Focused Event - Defence Sector 2024Mark Billinghurst
 
Mine Environment II Lab_MI10448MI__________.pptx
Mine Environment II Lab_MI10448MI__________.pptxMine Environment II Lab_MI10448MI__________.pptx
Mine Environment II Lab_MI10448MI__________.pptxRomil Mishra
 
Why does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsync
Why does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsyncWhy does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsync
Why does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsyncssuser2ae721
 
Risk Assessment For Installation of Drainage Pipes.pdf
Risk Assessment For Installation of Drainage Pipes.pdfRisk Assessment For Installation of Drainage Pipes.pdf
Risk Assessment For Installation of Drainage Pipes.pdfROCENODodongVILLACER
 
Industrial Safety Unit-IV workplace health and safety.ppt
Industrial Safety Unit-IV workplace health and safety.pptIndustrial Safety Unit-IV workplace health and safety.ppt
Industrial Safety Unit-IV workplace health and safety.pptNarmatha D
 
UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)
UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)
UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)Dr SOUNDIRARAJ N
 
Solving The Right Triangles PowerPoint 2.ppt
Solving The Right Triangles PowerPoint 2.pptSolving The Right Triangles PowerPoint 2.ppt
Solving The Right Triangles PowerPoint 2.pptJasonTagapanGulla
 
NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...
NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...
NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...Amil Baba Dawood bangali
 
Sachpazis Costas: Geotechnical Engineering: A student's Perspective Introduction
Sachpazis Costas: Geotechnical Engineering: A student's Perspective IntroductionSachpazis Costas: Geotechnical Engineering: A student's Perspective Introduction
Sachpazis Costas: Geotechnical Engineering: A student's Perspective IntroductionDr.Costas Sachpazis
 
complete construction, environmental and economics information of biomass com...
complete construction, environmental and economics information of biomass com...complete construction, environmental and economics information of biomass com...
complete construction, environmental and economics information of biomass com...asadnawaz62
 
Concrete Mix Design - IS 10262-2019 - .pptx
Concrete Mix Design - IS 10262-2019 - .pptxConcrete Mix Design - IS 10262-2019 - .pptx
Concrete Mix Design - IS 10262-2019 - .pptxKartikeyaDwivedi3
 
Instrumentation, measurement and control of bio process parameters ( Temperat...
Instrumentation, measurement and control of bio process parameters ( Temperat...Instrumentation, measurement and control of bio process parameters ( Temperat...
Instrumentation, measurement and control of bio process parameters ( Temperat...121011101441
 
Earthing details of Electrical Substation
Earthing details of Electrical SubstationEarthing details of Electrical Substation
Earthing details of Electrical Substationstephanwindworld
 
System Simulation and Modelling with types and Event Scheduling
System Simulation and Modelling with types and Event SchedulingSystem Simulation and Modelling with types and Event Scheduling
System Simulation and Modelling with types and Event SchedulingBootNeck1
 
Virtual memory management in Operating System
Virtual memory management in Operating SystemVirtual memory management in Operating System
Virtual memory management in Operating SystemRashmi Bhat
 
Research Methodology for Engineering pdf
Research Methodology for Engineering pdfResearch Methodology for Engineering pdf
Research Methodology for Engineering pdfCaalaaAbdulkerim
 

Recently uploaded (20)

Internet of things -Arshdeep Bahga .pptx
Internet of things -Arshdeep Bahga .pptxInternet of things -Arshdeep Bahga .pptx
Internet of things -Arshdeep Bahga .pptx
 
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTIONTHE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
THE SENDAI FRAMEWORK FOR DISASTER RISK REDUCTION
 
Introduction to Machine Learning Unit-3 for II MECH
Introduction to Machine Learning Unit-3 for II MECHIntroduction to Machine Learning Unit-3 for II MECH
Introduction to Machine Learning Unit-3 for II MECH
 
IVE Industry Focused Event - Defence Sector 2024
IVE Industry Focused Event - Defence Sector 2024IVE Industry Focused Event - Defence Sector 2024
IVE Industry Focused Event - Defence Sector 2024
 
Mine Environment II Lab_MI10448MI__________.pptx
Mine Environment II Lab_MI10448MI__________.pptxMine Environment II Lab_MI10448MI__________.pptx
Mine Environment II Lab_MI10448MI__________.pptx
 
young call girls in Rajiv Chowk🔝 9953056974 🔝 Delhi escort Service
young call girls in Rajiv Chowk🔝 9953056974 🔝 Delhi escort Serviceyoung call girls in Rajiv Chowk🔝 9953056974 🔝 Delhi escort Service
young call girls in Rajiv Chowk🔝 9953056974 🔝 Delhi escort Service
 
Why does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsync
Why does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsyncWhy does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsync
Why does (not) Kafka need fsync: Eliminating tail latency spikes caused by fsync
 
Risk Assessment For Installation of Drainage Pipes.pdf
Risk Assessment For Installation of Drainage Pipes.pdfRisk Assessment For Installation of Drainage Pipes.pdf
Risk Assessment For Installation of Drainage Pipes.pdf
 
Industrial Safety Unit-IV workplace health and safety.ppt
Industrial Safety Unit-IV workplace health and safety.pptIndustrial Safety Unit-IV workplace health and safety.ppt
Industrial Safety Unit-IV workplace health and safety.ppt
 
UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)
UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)
UNIT III ANALOG ELECTRONICS (BASIC ELECTRONICS)
 
Solving The Right Triangles PowerPoint 2.ppt
Solving The Right Triangles PowerPoint 2.pptSolving The Right Triangles PowerPoint 2.ppt
Solving The Right Triangles PowerPoint 2.ppt
 
NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...
NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...
NO1 Certified Black Magic Specialist Expert Amil baba in Uae Dubai Abu Dhabi ...
 
Sachpazis Costas: Geotechnical Engineering: A student's Perspective Introduction
Sachpazis Costas: Geotechnical Engineering: A student's Perspective IntroductionSachpazis Costas: Geotechnical Engineering: A student's Perspective Introduction
Sachpazis Costas: Geotechnical Engineering: A student's Perspective Introduction
 
complete construction, environmental and economics information of biomass com...
complete construction, environmental and economics information of biomass com...complete construction, environmental and economics information of biomass com...
complete construction, environmental and economics information of biomass com...
 
Concrete Mix Design - IS 10262-2019 - .pptx
Concrete Mix Design - IS 10262-2019 - .pptxConcrete Mix Design - IS 10262-2019 - .pptx
Concrete Mix Design - IS 10262-2019 - .pptx
 
Instrumentation, measurement and control of bio process parameters ( Temperat...
Instrumentation, measurement and control of bio process parameters ( Temperat...Instrumentation, measurement and control of bio process parameters ( Temperat...
Instrumentation, measurement and control of bio process parameters ( Temperat...
 
Earthing details of Electrical Substation
Earthing details of Electrical SubstationEarthing details of Electrical Substation
Earthing details of Electrical Substation
 
System Simulation and Modelling with types and Event Scheduling
System Simulation and Modelling with types and Event SchedulingSystem Simulation and Modelling with types and Event Scheduling
System Simulation and Modelling with types and Event Scheduling
 
Virtual memory management in Operating System
Virtual memory management in Operating SystemVirtual memory management in Operating System
Virtual memory management in Operating System
 
Research Methodology for Engineering pdf
Research Methodology for Engineering pdfResearch Methodology for Engineering pdf
Research Methodology for Engineering pdf
 

Sources of energy

  • 2. Energy • Energy is the capacity of a physical system to perform work. Energy exists in several forms such as heat, kinetic or mechanical energy, light, potential energy, electrical, or other forms. >> Sources of Energy: 1. Conventional Energy Sources 2. Renewable Energy Sources
  • 3. Conventional Energy Sources • The term "Conventional" means "not unusual or extreme or ordinary." Conventional energy sources are the traditional sources of energy like coal and petroleum. Conventional energy sources are finite. They will not last forever. Natural Gas Natural gas in its purest form is pure methane but before it is refined, it also contains varying amount of ethane, propane, butane and carbon dioxide. When refined, it is colorless and odorless but can be burned to release large amounts of energy.
  • 4. Conventional Energy Sources Coal Coal releases large amounts of energy when it is burned because of the density of hydrocarbons in the material. Coal is formed by dead plants being put under significant pressure and temperature for millions of years. There are four grades of coal: lignite, subbituminous, bituminous coal and anthracite. Bituminous coal is the best for releasing energy and is the most commonly mined type of coal .
  • 5. Conventional Energy Sources Petroleum Petroleum is formed from the compression of animal and plant remains over millions of years. Petroleum has to be drilled for because it is usually located deep below the earth's surface and is then refined to produce a number of different products including gasoline, heavy fuel oil and diesel fuel.
  • 6. Conventional Energy Sources Advantages of Conventional Energy Sources Conventional energy sources are proven technologies which can provide energy regardless of the weather conditions unlike solar and wind power which may go for days without being able to produce substantial amounts of power. Currently, the financial costs are much lower than alternative energy sources.
  • 7. Conventional Energy Sources Disadvantages of Conventional Energy Sources  Petroleum, gas and coal are non renewable energy sources which means that they will eventually run out.  These energy sources also release greenhouse gases like carbon dioxide into the atmosphere which contribute to global warming.  Other pollutants released include sulfur and nitrogen oxide, which can lead to acid rain and mercury, which is harmful to humans when ingested.
  • 8. Renewable Energy Sources  Renewable energy is natural energy which does not have a limited supply. Renewable energy can be used again and again, and will never run out.  Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides and geothermal heat, which are renewable (naturally replenished.)  Renewable energy is an alternative to fossil fuels and nuclear power, and was commonly called alternative energy.
  • 9. Renewable Energy Sources A list of renewable energy sources: • Biomass • Hydro • Geothermal • Solar • Tidal • Wave • Wind • Wood Renewable energy replaces conventional fuels in four distinct areas:  power generation,  hot water/ space heating,  transport fuels and  rural (off-grid) energy services.
  • 10. WIND ENERGY Wind power  Airflows can be used to run wind turbines. Modern wind turbines range from around 600 kW to 5 MW of rated power, although turbines with rated output of 1.5–3 MW have become the most common for commercial use; the power output of a turbine is a function of the cube of the wind speed, so as wind speed increases, power output increases dramatically.
  • 11.  Areas where winds are stronger and more constant, such as offshore and high altitude sites, are preferred locations for wind farms. Typical capacity factors are 20- 40%, with values at the upper end of the range in particularly favorable sites. WIND ENERGY
  • 13. WIND ENERGY Globally, the long-term technical potential of wind energy is believed to be five times total current global energy production, or 40 times current electricity demand. This could require wind turbines to be installed over large areas, particularly in areas of higher wind resources. Offshore resources experience mean wind speeds of ~90% greater than that of land, so offshore resources could contribute substantially more energy.
  • 14. Hydropower  Energy in water can be harnessed and used. Since water is about 800 times denser than air, even a slow flowing stream of water, or moderate sea swell, can yield considerable amounts of energy.  There are many forms of water energy: Micro hydro systems are hydroelectric power installations that typically produce up to 100 kW of power. They are often used in water rich areas as a remote-area power supply (RAPS). There are many of these installations around the world, including several delivering around 50 kW in the Solomon Islands. Damless hydro systems derive kinetic energy from rivers and oceans without using a dam. Ocean energy describes all the technologies to harness energy from the ocean and the sea. This includes marine current power, ocean thermal energy conversion, and tidal power.
  • 17. Solar energy  Solar energy is the energy derived from the sun through the form of solar radiation. Solar powered electrical generation relies on photovoltaic and heat engines. A partial list of other solar applications includes space heating and cooling through solar architecture, day lighting, solar hot water, solar cooking, and high temperature process heat for industrial purposes.
  • 18. Solar energy Solar technologies are broadly characterized as either passive solar or active solar depending on the way they capture, convert and distribute solar energy. Active solar techniques include the use of photovoltaic panels and solar thermal collectors to harness the energy. Passive solar techniques include orienting a building to the Sun, selecting materials with favorable thermal mass or light dispersing properties, and designing spaces that naturally circulate air.
  • 19. Biomass (plant material) is a renewable energy source because the energy it contains comes from the sun. Through the process of photosynthesis, plants capture the sun's energy. When the plants are burned, they release the sun's energy they contain. In this way, biomass functions as a sort of natural battery for storing solar energy. As long as biomass is produced sustainably, with only as much used as is grown, the battery will last indefinitely. In general there are two main approaches to using plants for energy production: growing plants specifically for energy use, and using the residues from plants that are used for other things. The best approaches vary from region to region according to climate, soils and geography. Biomass
  • 23. Tidal Energy  This is another unlimited and inexhaustible source of energy. The Gulfs of Kutch is preferably suited to build up electricity from the energy produced by high and lofty tides entering into slender creeks.
  • 26. Biofuel  Liquid biofuel is usually either bio alcohol such as bioethanol or an oil such as biodiesel. Bioethanol is an alcohol made by fermenting the sugar components of plant materials and it is made mostly from sugar and starch crops. With advanced technology being developed, cellulosic biomass, such as trees and grasses, are also used as feedstock for ethanol production. Ethanol can be used as a fuel for vehicles in its pure form, but it is usually used as a gasoline additive to increase octane and improve vehicle emissions.  Biodiesel is made from vegetable oils, animal fats or recycled greases. Biodiesel can be used as a fuel for vehicles in its pure form, but it is usually used as a diesel additive to reduce levels of particulates, carbon monoxide, and hydrocarbons from diesel-powered vehicles. Biodiesel is produced from oils or fats using trans esterification.
  • 28. Geothermal energy Geothermal energy is energy obtained by tapping the heat of the earth itself, both from kilometers deep into the Earth's crust in volcanically active locations of the globe or from shallow depths, as in geothermal heat pumps in most locations of the planet. It is expensive to build a power station but operating costs are low resulting in low energy costs for suitable sites. Ultimately, this energy derives from heat in the Earth's core.
  • 29. Geothermal energy  Three types of power plants are used to generate power from geothermal energy: dry steam, flash, and binary.  Dry steam plants take steam out of fractures in the ground and use it to directly drive a turbine that spins a generator.  Flash plants take hot water, usually at temperatures over 200 °C, out of the ground, and allows it to boil as it rises to the surface then separates the steam phase in steam/water separators and then runs the steam through a turbine.  In binary plants, the hot water flows through heat exchangers, boiling an organic fluid that spins the turbine. The condensed steam and remaining geothermal fluid from all three types of plants are injected back into the hot rock to pick up more heat.  The geothermal energy from the core of the Earth is closer to the surface in some areas than in others. Where hot underground steam or water can be tapped and brought to the surface it may be used to generate electricity.
  • 30. Advantages of renewable energy sources  Renewable energy sources consist of solar, hydro, wind, geothermal, ocean and biomass. The most common advantage of each is that they are renewable and cannot be depleted.  They are clean energy, as they don't pollute the air, and they don't contribute to global warming or greenhouse effects.  Since their sources are natural the cost of operations is reduced and they also require less maintenance on their plants.
  • 31. Disadvantages of Renewable energy sources A common disadvantage to all is that it is difficult to produce the large quantities of electricity their counterpart the fossil fuels are able to. Since they are also new technologies, the cost of initiating them is high. • wind : turbines are expensive. Wind doesn't blow all the time, so they have to be part of a larger plan. • Solar :panels are expensive. Governments are not all willing to buy home generated electricity. Not all climates are suitable for solar panels. • waves : different technologies are being tried around the world. Scientists are still waiting for the killer product. • tides : barrages (dams) across river mouths are expensive to build and disrupt shipping. Smaller turbines are cheaper and easier to install.
  • 32. Disadvantages of Renewable energy sources • Rivers : Dams are expensive to build and disrupt the environment. They have also caused earthquakes. • Geothermal : Difficult to drill two or three kilometers down into the earth. • Biofuel : Often uses crop lands and crops (like corn) to produce the bio-alcohol. This means that more land has to be cleared to grow crops, or there is not enough food, or that food becomes more expensive.
  • 33.