Geothermal As An Alternative Energy Source

Tweet 

We have the technology to do plenty of things and one of those is to tap the earth’s energy. This is exactly what we do when we choose to use geothermal which happens to be a green energy source.

Geothermal energy is energy obtained by drumming heat from the earth itself. This comes from magma and the radioactive decay of uranium, thorium, and potassium.

The downside to geothermal energy is the fact that it is dear to build. From the other perspective, as the earth’s crust continuously rots replenishing the heat, it still is a renewable power source.

There are 3 sorts of geothermal plants around. These are namely dry steam, flash, and binary.

Dry steam plants take steam out of fractures in the ground and use it to immediately drive a turbine that spins a generator.

Flash plants take on water at temperatures over 200C, out of the ground, and permits it to boil as it rises to the surface then separates the steam phase in steam/water separators which runs the steam through a turbine to generate electricity.

Last, you have binary plants. Here, hot water flows thru heat exchangers and that boiling organic liquid is what spins the turbine.

Once power is generated, the condensed steam and remaining geothermal liquid from all 3 types of plants are injected into the hot rock to pick up more heat.

Geothermal plants are used operational in different parts of the globe. These are usually found in geologically unsteady parts of the planet. You can see some in Chile, Iceland, New Zealand, United States, the Philippines and Italy. At home, 2 most prominent areas for this are in the Yellowstone basin and in northerly California.

Except for digging deep into the earth, there are some who believe we will be able to create power from hot dry rocks. You have to dig 3 kilometers deep are drilled into the earth first to find these hot underground radiogenic granite rocks. Now, some Australia corporations are exploring this technology.

If you were going to compare the amount of energy picked up from geothermal to solar, you continue to get more from the sun. Regardless of that, folks should still use it since solar power can’t be harnessed when the clouds block the sun’s rays from reaching the solar cells.

Geothermal energy is a green energy source just like wind, hydropower and biofuel because it is a renewable. By maximising its potential, we don’t have to worry about the cost of oil in the world market when it hit more than $110 a barrel and is now under $40 in the world market.

But that isn’t the single thing we should be worried about. We should also do our best to protect the environment given that coal fired and nuclear power plants produce harmful gases and radioactive waste that can cause to folks and the neighboring areas.

Everyone knows that our world has changed due to global temperature rises. We learned our lessons from Chernobyl and 3 Mile Island but this doesn’t imply it might not occur again.

For us to do our share to protect the environment now and for generations to come, we’ve got to promote alternative energy and geothermal as a green energy source is one of many that is now available.

Sarah Green is an environmental campaigner, activist, and powerful disciple of being energy self-sufficient. In her spare time, she reports on DIY alternative energy blueprints and kits, eg the ben ford homemade energy download.

Is Biomass An Alternative Energy Source?

Tweet 

Is biomass a green energy source? According to pros, yes it is. In fact , it’s one of the 3 important areas of bioenergy.

But what’s bioenergy? Well, it’s a process by which organic material like animal waste, plants and wood are used to generate electrical power, produce heat and also aid in the production of biofuels.

In the case of biomass, hot air or water is generated to supply electricity. This is done through direct combustion and is thought of as the simplest and most typical method of generating power from biomass.

Aside from creating electricity, biomass may be employed for hot air production so that you can keep a place warm. For this to work, biomass needs to be combusted in a furnace where it heats either water or air. Talking of water, this enables you to have lukewarm water so that you can take a shower. In short , biomass in itself can also be utilized in a little scale as a heating system.

Since you can generate power and heat, some people have managed to blend the 2 which is known as combined heat and power or CHP. Something that many consider to be good as you use one energy source for 2 purposes.

If you are able to compare the quantity of electricity generated between biomass and let’s say solar energy, you’ll notice that biomass produces more because the energy in plants is already captured and stored.

You don’t have to collect it first which is what occurs with solar or maybe wind energy since this is manufactured technology. It is widely available not like the other two which is totally dependent on the weather.

Another is the incontrovertible fact that you can also use organic waste to product electricity. No other green energy source can do that and by employing this at length, any government can save cash because you don’t have to spend to dispose of the waste and you won’t rely on foreign oil that much to drive your plants.

The downside to biomass is that because you have to burn waste and other organic materials to product power, you add to the pollution which is in the atmosphere. But this can be offset of course by planting more crops which we know helps cut the amount of CO2 in the atmosphere.

You will additionally have to shell out a lot of money at first for the costs of work, the transport of these fuels and how these should be stored.

Biomass uses replaceable natural resources which explains why it is regarded as a green energy source. This means that we have an endless supply of it around just like the solar energy or the wind which flows from the sea. The challenge is to find acceptable land that has a sufficient water supply so these will be well placed to grow.

This indicates that in areas where water isn’t that abundant, you cannot rely on biomass technology to generate power. When that occurs, you use other means and one excellent example given the right geographical location is wave energy which is the method of generating power from the water.

There’s a way to create power without causing damage to the environment. We’ve got the technology and the green energy sources. We just have to muster the eagerness to make it happen.

Sarah Green is an environmental campaigner, activist, and robust believer in being energy self-sufficient. In her spare time, she reports on DIY alternative energy plans and kits,eg the ben ford home made energy download.

Why Is Hydropower An Alternative Energy Source?

TweetWhy is hydropower a green energy source? It is perhaps because we are able to harness electrical energy by changing water into electricity.

The use of hydroelectric power or hydroelectricity goes back to Ancient Greece and China when they installed waterwheels in speedily flowing rivers to turn millstones and other apparatus. Years after, this was employed in the New World which is now known as North America to power saws and other apparatus.

But the hydroelectric plants of today still use the same elementary beliefs as the historical waterwheel with some adaptations. The difference is that we use the force of the power to bump the turbine which in turn powers a generator so generating electricity.

To make sure that there is a stable flow of power being produced, a dam has to be built to retain the water. If there is a need for more power, the gates of the dam are opened so water can be released. During non-peak, the gates are closed. To guarantee there is water at all points, some dams have a recovery and pumping systems to the water released may be employed again.

There are issues with the employment of hydroelectricity. Some claim that it poses a difficulty for fish and marine plants on both sides of the dam. Because the flow of water has been altered, the nutrient rich silt which helps crops grow might be influenced which is precisely what occurred when the Aswan Dam was finished in Egypt.

But there are methods to fix that and the larger picture is that power produced from hydroelectric plants do not generate any emissions or waste which happens to be much better than operating a coal-fired power generation plant.

There is an alternative way to generate hydropower and you get this form the ocean. This is also known as wave power or wave energy which uses changes in the air levels of sealed chambers to power turbines. When a wave rises into the chamber, the increase water pushes the air out which then turns a generator.

Once the wave goes down, air flows into the turbine and back into the chamber thru doors that will close.

These chambers remain floating on the ocean and how much power it produces varies. Plenty of these are used on the western coasts of Scotland, northerly Canada, southern Africa, Australia, and the northwestern coasts of the United States. These systems are usually small and can power a warning buoy or a little light house.

There is also tidal energy. The difference with wave energy is that when the tide approaches, the water is trapped in reservoirs behind dams. When the tide drops, the water behind the dam is released so producing power similar to a hydroelectric power plant.

This can only work if you have tides that are at least 16 feet and as there are some places in the planet that will do that.

Finally, you have sea thermal energy. Here, you get power primarily based on the various temperatures in the water. For this to work, you want at least 38 degrees Fahrenheit difference between the hotter surface water and the colder deep sea water. Still in the trial stage, it is employed Japan and Hawaii.

Hydropower is a green energy source. It is fine to use and what’s even better is it is renewable.

Sarah Green is an environmental campaigner, activist, and powerful believer in being energy self-sufficient. In her spare time, she reports on DIY alternative energy blueprints and kits,eg the ben ford homemade energy download.

Biofuels Are A Renewable Energy Source

Tweet

Biofuels are also a green energy source. It’s been around for a very long time and lately, people are beginning to take notice.

Liquid biofuel which is the one utilized in vehicles is a natural and replaceable domestic fuel that may only be used for diesel engines. This may be made of vegetable oils mostly soy and corn. The nice thing about it is that it contains no petrol, is nontoxic and biodegradable.

By fueling up with biofuel, you decrease the contaminants in the air because it does not emit anything. Right now, it’s the only fuel approved by the Environmental Protection Agency (EPA), passed each Heath-Effects Test of the Clean Air Act and meets the prerequisites of the California Air Resources Board (CARB).

An example of this is biodiesel which is made from alcohol like methanol and a chemical process that separates glycerine and methyl esters (biodiesel) from fats or vegetable oils. Apart from methanol, some nations have also experimented with corn and sugarcane to create their own version of biofuel.

Glycerine is a standard products and this is utilized in making toothpaste and soap. Since it is sort of new, the process of converting it is sort of expensive and now, this is still much costlier per gallon compared to petroleum.

But if you look at what you pay for it, the returns are large because you get to do your share to preserve a cleaner environment, an improvement in air quality and a reducing of cancer-causing agents.

A cheaper and primitive way to make bio-diesel is by collecting cooking oil and then processing it. This may not good your car’s engine so be careful if you make a decision to use it.

If you are skeptic about biodiesels, research has shown that its performance on the road is just as good as petroleum vis power to potency, hauling and climbing. You need to use this in its pure form or blend with petroleum fuel. The most common mix in the market is 20/80 and is known as ‘B20′. This suggests that 20% is biodiesel and the remainder is 80%. Another version is the E85 which is fuel composed from 85% ethanol and 15% gasoline.

The best part about using biodiesel is that you only need to make 1 or 2 changes in your engine to be in a position to use it. Apart from making the auto run, it can also help clean the engine. If you're concerned this will void the warranty of your automobile should there be an issue, don’t worry as it doesn’t. In the US, B20 is the most typical one available but there are only a few gas stations that carry it.

When car’s first rolled out in the beginning of the 20th century, Henry Ford intended to make these automobiles especially the Model T’s run using ethanol. Tests have even shown that these may also run using peanut oil.

This never materialized because enormous oil deposits were discovered and diesel was inexpensive. It was just when our demand for oil increased in the 1970′s, 1980′s, 1990′s and in the early part of the current year that folk started to understand that to reduce our requirement for foreign oil that we should try utilising biodiesels and other types of alternative energy.

Is it too late? Not yet because there is still enough time to use biofuels and others as green energy sources.

Sarah Green is an environmental campaigner, activist, and robust believer in being energy self-sufficient like how to generate your own electricity. In her spare time, she reports on DIY alternative energy blueprints and kits,eg the Nikola Tesla Secret.

Employing Wind as an Energy Source

Tweet

Today, there are rather more than 1/4 of a million air turbines around the world. Nonetheless only 25 percent of these turbines are used to generate electricity. The rest are used to pump water from the ground. Worldwide , wind power has been growing at 30 percent each year, and now generates the equivalent of 20 coal-powered power stations. Wind power uses no fuel and does not produce any harmful emissions or wastes, apart from those employed in the creation of the turbines.

Breezy locations

Air turbines get built in places that are breezy all of the time, such as coasts and even the shores of some large lakes. The contemporary wind turbine has a lofty tower, at the top of which are 2 or 3 blades. The blades are moved by the wind. The kinetic energy is converted directly into electricity by turning a generator.

Wind turbine design

Turbines come in 2 basic designs, the key difference being in the drive shaft. This is the part of the turbine that connects the blades to the generator. The commonest design is the horizontal axis turbine, with 2 or 3 blades. Horizontal axis turbines have a horizontal drive shaft.

Vertical axis turbines have vertical drive shafts. The blades are lengthy, curved and attached to the tower at the very top and bottom. More recently, ‘shrouded ‘ turbines have appeared. These have a hood around the rotor to funnel the wind over the blades. This is the cause of the wind to move faster over the blades, spinning them more quickly.

Air turbines are accelerating in size, and the biggest are now more than 120 metres in height. The wind is more powerful higher above the ground, so taller turbines bring the blades into contact with quicker moving air. The blades are getting longer too , reaching lengths of eighty metres or even more. They are constructed from light, but strong, composite materials, so they can survive powerful winds.

The layout

The placing of the wind turbines is significant, too. If they’re placed too near together, they block the wind power from their neighbours. PCs are used to work out the best positions. Electronic monitors measure the wind speed and direction. This info is used to amend the angle of the blades and the direction of the entire turbine to fit the wind conditions. If the blades were allowed to spin too swiftly, they could break. If the wind is too powerful, the blades are either turned out of the wind, or brakes are applied.

Sarah Green is an environmental campaigner, activist, and strong believer in being energy self-sufficient. In her free time, she reports on DIY alternative energy blueprints and kits, for example the ben ford homemade energy download