Concentrating Solar Power Systems
November 18, 2009 by Go Green Tips · Leave a Comment
If you have ever seen a field with several mirrors pointing toward the sun you may be looking at a solar power system. These systems work to concentrate the sunlight to one area and use the heat to heat up the liquid that flows along the pipes. This system is called Parabolic-trough system. This type of system heats oil that is flowing through the pipe. The oil is hot and that is why it is used to boil water to power a steam generator which in turns powers electricity.
The reason that this system works so well is because the U-shaped mirrors attracts and collects the suns heat which is then transferred onto the receiver. The receiver absorbs the heat and transfers into fluid which helps to power the engine. The heat causes the fluid to swell up against the piston and that produces mechanical power. This type of power can be used to run things like generators or even an alternator that will produce electricity. This system works great when because it uses molten salt that flows through the receiver. When the salt heats up it can generate electricity through the steam generator. The salt holds in the heat for several days before it has to be converted into electricity. Because this system uses so many panels it is mainly used for industrial solar power where acres of land can be donated to the Parabolic Trough. There can be enough power in the network that can create energy for several days or more. Because this system is so large that it allows the heat that it saves to be transferred days later.
Through this project and other solar power projects we can understand fully how solar power works. When we see how much solar power is conserved using these U shaped mirrors we can also understand how much energy is lost. Using concentrating solar power systems are beneficial to the businesses that use them because they won’t have so much time down when the power fails. Machinery is their only major concern and as long as their machines are taken care of there should be no problems. Industrial type of solar power can attract and trap a lot of heat from the sun during the day, especially using mirrors that will reflect the sunlight. It also helps to have this type of solar power out in an open field free of trees and vegetation that may grow around and at some point crowd the solar light out.
Scientist are continuously studying this theory as businesses use it to power their machinery. Steam power was what was used from the beginning with solar power and is still what most systems depend on to service their production needs. In the future, fields may eventually be full of mirrors that somewhat point up to the sky in hopes of generating enough sunlight to heat the world. Until then we will use the traditional methods of heating water, heating our homes and powering our electricity.
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Ways To Use Solar Power For Heat
November 17, 2009 by Go Green Tips · Leave a Comment
We have become accustomed to turning a dial or pushing a button in order to have heat. These ways are nice but they may be inconvenient as well. Heating homes, schools or businesses with solar energy is not only easy but cost effective as well. There are several ways that we can capture the sun’s heat even in winter times. In order to capture the sun’s heat you need a solar source. This source can be something that will attract the sun rays but trap the heat from it when it enters the source. A good example is a sunroom.
These rooms are attached to a home or a building and are constructed of glass panels from the floor to the ceiling. It is usually facing the morning sun in order to get the full affect of the heat. When the sun shines into the room the glass allows the sunrays heat the furniture and everything in the room. These areas become the source that holds the heat in so that it will not escape back out of the glass. This type of heating is natural and can be very efficient if it is constructed correctly.
Other forms of solar power heat are:
Thermal mass that absorbs and holds in the heat. It traps and holds heat while the sun is shining and disperses the heat when the sun goes down.
Trombe Wall is a natural solar heating and ventilation system that uses air channels to hold the heat between a glass object and a thermal mass that is facing the sun. The sunlight gets trapped and stored inside this wall and is then circulated though vents and the top and the bottom of the wall. The wall radiates the heat.
Transpired collector is also a wall that is used facing the sun. The wall absorbs the sunlight and heats the air when it enters into the ventilation system.
Solar Cooling is a great way to ventilate a building. It absorbs the solar heat and cools it making ice with a solar powered steam engine that is attached to a cooling device.
Solar Chimney is also a solar ventilation system. It is made of a thermal mass that is hollow inside. The chimney will warm the air inside the chimney and causing the heat to rise. The rise allows the air to circulate and vent properly.
There are several ways that we can provide heating and cooling to our homes, businesses, buildings or other structures that need to be heated. The ways listed above are by using all natural material that will pay off in the long run when you have heat using the sun and not an artificial heating source that may be produced by non-renewable resources. We all need heat no matter what. We need to find out what ways we can save the heat from the day to keep our house warm at night. Not only does it work for heating but also cooling as well.
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Advanced Vehicles
November 17, 2009 by Go Green Tips · Leave a Comment
When we think of advanced vehicles it reminds us of speed that a vehicle has and all the newer vehicles that are coming out with all the modern gadgets and gizmos. Every time we turn the ignition on our vehicle we are sending a bad sign out into the world and the atmosphere. Scientist have worked rather hard at coming up with a way that our cars can be safe for our planet. So how is that done?
Advanced fuel systems include energy storage which is the batteries that help power it instead of the fuels, power electronics, thermal comfort and systems analysis. These fuel systems are constantly being studied and have made outstanding research and development topics. The main focus on the fuel systems in advanced vehicles is to find an alternative fuel in order to cut down on pollution and to restore our economy. We cannot continue buying fuels forever. We need an alternative to fuel. Sometime in the future, fuel will no longer be available for us to use. Advanced vehicles are designed to make it more efficient to run at top speeds. Convenience is another advantage to the advanced vehicles.
They plug in and charge instead of running out of fuel and refilling the tank. Running these cars may not break any records but it can help tremendously knowing that they are running clean. Ultracapacitors are designed to provide additional power to accelerate for climbing hills. Vehicle power electronics controls the amount of electricity through the devices. This may be the ignition, DC to DC converters, inverters, and motor controllers.
Vehicle Thermal comfort is how you control your temperature inside the car. You may have to roll the windows down or put them up. Turn the heat on or the air conditioning on. No matter what you have to do this is thermal comfort. The main goal for such an invention is to come up with a vehicle that can get us where we need to go in the amount of time that we allow ourselves. In the fast paced world that we live in today, it is hard to find someone who has the time to spend waiting on their vehicles to get repaired or refueled. That is because we need that vehicle to be up and running when we need it the most. Scientist are studying the car factor and what it will do for us in the future and what it has done for us in the past. As they strive to gather more information they can better the way the advanced vehicles have made it through.
Advanced vehicles are on the go and will one day be the car that we decide to buy because that may be our only choice in the future. When the fuels run dry we will no longer be able to drive what we currently have now. Though these vehicles do allow some restriction, that will no longer be as we progress into the future and all the bugs will be worked out.
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