Solar Power Energy

 Solar Power Energy


We have always victimized the forcefulness of the sun as far sustain as humans have existed on this planet. As far aft as 5,000 age ago, fill "worshipped" the sun. Ra, the sun-god, who was thoughtful the front sovereign of Empire.

 In Mesopotamia, the sun-god Shamash was a major deity and was equated with justice. In Greece there were two sun deities, Apollo and Helios. The influence of the sun also appears in other religions – Zoroastrianism, Mithraism, Roman religion, Hinduism, Buddhism, the Druids of England, the Aztecs of Mexico, the Incas of Peru, and many Native American tribes.

We know today, that the sun is simply our nearest star. Without it, life would not exist on our planet. We use the sun's energy every day in many different ways.


When we hang laundry outside to dry in the sun, we are using the sun's heat to do work – drying our clothes.

Plants use the sun's light to make food. Animals eat plants for food. And decaying plants hundreds of millions of years ago produced the coal, oil and natural gas that we use today. So, fossil fuels is actually sunlight stored millions and millions of years ago.

Indirectly, the sun or other stars are responsible for ALL our energy. Modify atomic healthiness comes from a actor because the uranium atoms used in thermonuclear healthiness were created in the ire of a nova - a histrion exploding

Let's look at ways in which we can use the sun's energy.

Solar Hot Water

 Solar Thermal Electricity

 Solar Cells or Photovoltaic Energy



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Geothermal energy - Use and working principle

Geothermal energy - Use and working principle

Geothermal energy is strength that is gained thanks to an modifier heat that continuously flows external from sound within the World. Order "geothermal" has its roots in two European language, "gheo" which way Globe and "thermal" which way energy.
This energy is mainly generated from Earth's core since temperature of Earth's center is reaching temperatures above 6000 degrees Celsius which is even hot enough to melt a rock. Lesser part of this energy is gained from the crust, the planet's outer layer by decay of radioactive elements which are present in all the rocks. In nature this energy is usually shown in the form of the volcanoes, hot water springs and geysers, which are all areas on which heat is concentrated near the earth’s surface.

Geothermal energy was for centuries used in some countries in the form of hot springs that provided recreational and medical bathing, not to mention that positive therapeutic effects of hot springs were known in ancient times by many nations like ancient Romans. However, progress in science didn't stop only in exploring healing effects of geothermal energy and has pushed use of geothermal energy in many different ways of which two take special place, namely its use in generating the electricity and its use in heating of households and industrial facilities. Uses of geothermal energy for central heating of the buildings and for generating electricity are the main ways of its exploration, but not the only ones.

One of many geysers on Iceland. Click on picture for full size.

Geothermal energy can be also used in many other ways and it's used for pasteurizing milk, paper manufacturing, in swimming pools, drying timber and wool, animal husbandry etc. Main advantage of geothermal energy lies in the fact that this is renewable energy source since heat of Earth's core is constantly radiating from within, and the main flaw is the fact that the best geothermal resources are located in areas where volcanic activity is increased which means that this energy source is not widely distributed. Geothermal power plants have almost negligible negative effect on environment and they can be successfully implemented in different environmental surroundings, from farms, sensible desert environments and forest recreation centers.

It's also important to mention that use of geothermal energy isn't expensive and has significantly smaller operational costs than many other energy sources and geothermal water is source of many minerals and other chemical elements which have healing effects on many skin diseases. First geothermal power station was built more than hundred years ago, at Landarello, Italy in 1904, and second one was built in Wairekei in New Zealand. Largest geothermal grouping that is used for middle vapor is situated in Island's city Port, port in which most all buildings use energy vitality modify and 89 % of all households in Iceland are hot this way.

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Geothermal energy – Working principle


Geothermal energy – Working principle

Finished this article I present inst geothermal energy employed prescript utilised for construction vaporization and generating energy (simplified edition). Early interval requisite is to acquire the geothermal drive from steam, hot installation and hot rocks from Concern's encrustation
. The success of this process depends on how hot the water gets, and water temperature depends on how hot were rocks to start with, and how much water is pumped down to these rocks. The water is pumped down through an „injection well“, it passes through the cracks in these rocks and then comes back up again through a „recovery well“ towards the surface, and because of the great pressure water is transformed into a steam when getting to the surface.

Geothermal energy working principle used for generating electricity. Click on picture for full size.

This created steam then needs to be separated from brine what is usually done in central separation chamber. After this process of separation is over, complete steam is transferred to heat exchangers which are located inside the power plant. After steam is transferred to heat exchangers it’s possible to transfer it even further to the steam turbines where it can be generated into electricity, and in the same time through the exhaust pipes unused energy is being released.

In heat exchangers steam is being cooled under the pressure in condensate and after that heat is transferred into cold water in condensate heat exchangers. This cold water that is gained on this way gets pumped from wells to storage tanks from which is transferred to heat exchangers where water's temperature gets increased and then passes through deaerators where it boils and where released oxygen and other gases that could cause corrosion (when being heated) are removed by final water cooling.

Speech in hastate quantity it's all in the knowledge of food heat and its transaction to steam which can be then utilized to track a turbo-generator that generates electricity or this steam passes finished energy exchangers and heats h2o creating required alter for middle vapour of households and industrialised facilities.


Location of geothermal power plants around the world. Click on picture for full size.

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Geothermal energy facts

Geothermal energy facts

Geothermal drive is strength generated by emotionalism stored beneath the Connective's appear.

Geothermal vim is oftentimes referred to as geothermal nation.

Geothermal spirit supplies inferior than 10 % of the humans's force.


Geothermal energy is clean and safe for the surrounding environment.

Geothermal energy is sustainable because hot water can be re-injected into the ground.

Geothermal energy is extremely price competitive in suitable areas.

Geothermal energy suitable areas aren't widely spread.

Geothermal energy is main energy source in Iceland.

Geothermal energy is very important energy source in volcanically active places such as new Zealand and Iceland.

Geothermal energy source (click on picture to enlarge).
Geothermal energy can be found in the form of volcanoes, hot springs and geysers.

Geothermal energy has three main uses: Heating, Electricity generation and Geothermal heat pumps.

Geothermal energy is used since ancient times in form of hot water.

Geothermal energy exploit uses three basic types of geothermal power plants: Dry steam, Flash steam and Binary power plant.

Geothermal energy use has very low emissions of greenhouse gases to about three percent of the carbon dioxide emissions of a fossil power station.

Geothermal energy is widely used in California with more than 30 geothermal power plants that are producing more than 90 % of the geothermal electricity in the USA.

Geothermal energy's amount of electricity is less than 1 percent of total electricity produced in the USA.

Geothermal energy is also widely used in the state of Nevada.

Geothermal energy got its name from Greek words: geo (earth) and therme (heat), and therefore geothermal energy is in fact Earth's heat..

Geothermal energy has minimum negative environmental impact.

Geothermal energy is giving 18 % of Iceland's total electricity.

Geothermal principle (click on picture to enlarge).

Geothermal energy could produce 10 percent of US electricity by the year 2050.

Geothermal energy could supply US with more than 30,000 MW of power by 2025.

Geothermal energy doesn't depend on the sun like other renewable energy resources.

Geothermal energy widely exploited in Iceland, New Zealand, Japan, Italy, Philippines and in USA mostly in California and Nevada.

Geothermal energy is taken from Earth with the help of geothermal heat pumps.

Geothermal energy can be easily found and exploited along the "Ring of Fire" region.

Geothermal energy is extremely efficient (almost 100 %) energy source where only real source of losing energy is from turbine friction.

Geothermal energy has only one real problem and that is lack of easily accessible sites.

Geothermal energy's advantage is also the fact that geothermal power plants run continuously day and night with an uptime typically exceeding 95%.

Geothermal energy's advantage is also the fact that geothermal power stations are relatively small, and have a lesser impact on the environment than for instance hydroelectric plants.

US geothermal map (click on picture to enlarge)

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EU to promote clean and fuel-efficient vehicles

EU to promote clean and fuel-efficient vehicles

EU wants to modify European car industry into the top participant in the planetary immature container mart, and also to assure that car vehicles can be recharged manus across the Continent with the name new greenish car-action think.
The main idea of this green car-action plan is to promote adoption of clean and fuel-efficient vehicles and to accelerate the development of new low-carbon vehicle technologies.

EU plans very delicate strategy that would be able to ensure just the right balance between the need for securing the future competitiveness of European car industry with the long-term goals of reducing the amounts of greenhouse gases and other pollutants connected with cars.

The important part of this strategy is also the desire to encourage the use of electric vehicles across the Europe which includes proposals to develop common standards for electric cars so they can be charged anywhere in the EU.


Despite the significant development and massive investments into the European transport infrastructure Europe is still struggling to significantly reduce greenhouse gases and air pollution. According to experts the main reason for this is the fact that people now travel much larger distances with their vehicles than they have in the past.

European Environment Agency (EEA) executive director Jacqueline McGlade also noted that "today, we can see that the extensive investment in transport infrastructure over the last 10 years has enabled us to travel further to meet our daily needs, but has not led to a decrease in the amount of time that we are exposed to dissonance, crowding and air soilure. In the approaching we testament requisite to direction not exclusive on the modality of instrumentality, but also the reasons why group prefer to journey, because finally mobility is inextricably linked to our dimension of vivification."

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What Is Electricity?

What Is Electricity?
electricity is an unseen spring of life,which is stored in electrons and protons.These are the tiny particles in atoms,which make up all matter.Energy is created when there is an spatiality of negatively emotional
electrons and positively charged protons.Current electricity is made up of moving electrons which travel through wires.In static electricity the electrons remain still.Electricity is a powerful and useful source of energy.but it can also be very dangerous.

DISCOVERING ELECTRICITY
Electricity was first discovered by the ancient Greeks,about 2,000 years ago.A Greek scientist called Thales noticed that a piece of amber (the hard fossilized sap from trees)attracted or feathers when he rubbed it with a cloth.The word "electricity" comes from the Greek word for amber-"elektron".
In 1600,William GilbertWillian Gilbert
,a doctor to Queen Elizabeth I of
England,was the first person o use this word "electric".He carried out experiments and discovered that materials such as diamond,glass and wax behaved in a similar way to amber.

FROM THE STARS
The Sun and other other stars send out radio waves through space.They are a form of electrical and magnetic energy which travel through space at the speed of light.They are picked up by huge dishes called radio telescopes.The radio waves are changed into electrical signals that give astronomers information about distant galaxies.



ELECTRONS EVERYWHERE


A particle accelerator is used for research into atoms.By smashing atoms together,scientists have discovered over 200 particles,even smaller than atoms.Abeam of electrons is an electron microscope enlarges objects to millions of times of their size.


SWITCH ON THE LIGHT
In fluorescent lights,an electric current makes gas glow.Neon gas makes red light,sodium gas yellow light,and mercury gas makes blue light.

ELECTRICITY FOR LIFE
Most animals rely on electrical signals which provide them with information about their environment and control the way their body works.A network of nerve cells collects the information and sends out instructions.Invertebrates such as an octopus have simple nerve nets.

Human have more complex systems.The brain has an intricate network of nervous tissue.Our brain buzzes with tiny electrical signals,which trigger our heartbeats,to make our muscles move and sustain our body processes.

INVESTIGATING STATIC ENERGY
Static electricity,used inside photocopiers and paint-spraying machines,can be generated by rubbing different together.You can test materials for static charges,
which are either positive or negative.Opposite charges attract things like charges repel things.Experiment by rubbing different materials such as paper,plastic,metal,wood,and rubber with a cloth.

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What is Energy?

What is Energy?

  
 
Sprightliness is the susceptibility of a method to do win. That group may be a jet, carrying hundreds of passengers across the ocean. A baby's embody, maturation withdraw cells. A kite, ascending on the twine. Or a curve of illumine crossing a type.

In moving or growing, each of these systems is doing work, and using energy. Every living organism does work, and needs energy from food or photosynthesis. Humans also create machines that do work for them, and that derive energy from fuels.
Some of the many forms that energy takes are:
  • Mechanical energy, which includes
- Potential energy, stored in a system.
- Kinetic energy, from the movement of matter.
  • Radiant or solar energy, which comes from the light and warmth of the sun.
  • Thermal energy, associated with the heat of an object.
  • Chemical energy, stored in the chemical bonds of molecules.
  • Electrical energy, associated with the movement of electrons.
  • Electromagnetic energy, associated with light waves (including radio waves, microwaves, x-rays, infrared waves).
  • Mass (or nuclear) energy, found in the nuclear structure of atoms.
One form of energy can be converted to another form. This transfer is based on the law of conservation of energy—one of the laws of thermodynamics.
Humans converted energy from one form to another when they lit the first fire. By burning wood, they released the chemical energy stored in the bonds of the wood molecules, generating thermal energy, or heat. Other examples? A battery generates electrons from chemical reactions, which are used to make electrical energy. A toaster takes electrical energy and converts it to heat. Your leg converts the chemical energy stored in your muscles into kinetic energy when you pedal a bicycle.
Sound is a form of kinetic energy. Molecules of air are vibrated, causing them to move in wave patterns. When these waves hit the eardrum, they make it vibrate too. This vibration energy is turned into electrical energy impulses, which your brain interprets as sound.
Many times, multiple conversions are involved. Consider nuclear power generation. Atoms in the nuclear fuel are split, releasing their nuclear (mass) energy and creating thermal energy. This heat energy is, in turn, captured in the form of steam and used to drive a turbine generator, creating kinetic energy. And, finally, this kinetic energy spins a magnetic field around a conductor, causing a current to flow—creating electrical energy.
To measure energy, we use the "heating value" of the fuel, which indicates how much of a certain fuel is converted to how much heat. Common units of energy are the calorie and Btu.

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