Fiber optic systems have many advantages on the basis of the communication systems technology compare to metallic media communication. These advantages include lower interference, small signal attenuation and bandwidth characteristics. In addition, relatively small cross-section of the fiber optic cable from a substantial growth in capacity in the existing lines is replaced. Properties of optical fibers can be classified as linear and nonlinear. Non-linear properties are influenced by parameters such as bit rate, channel spacing, and the level of performance. (more…)
There are literally thousands of uses for lasers. One of the largest applications is telecommunications—sending a signal throug ...
Several passive heating systems, if provided with proper ventilation, can ensure to provide cooling. Passive heating and cooling fo ...
Most discussions of energy use in paper production and papermaking are confusing because of a failure to define exactly what is mea ...
More than 48% of the raw material fiber used for paper production (chemical pulp or mechanical pulp) in the United States in 2002 w ...
Different lasers use different materials as the active medium. The medium can be either solid, liquid, or gas, and there are ad ...
Different lasers use different materials as the active medium. The medium can be either solid, liquid, or gas, and there are advantages for each in the amount of energy that can be stored, ease of handling and storage, secondary safety hazards, cooling properties, and physical characteristics of the laser output. (more…)
There are literally thousands of uses for lasers. One of the largest applications is telecommunications—sending a signal throug ...
The word “laser” is an acronym for “light amplification by the stimulated emission of radiation.” Lasers of all kinds consist o ...
The first known laser was made by Theodore Maiman at Hughes Research Laboratories in Malibu, California, in 1960, but the seeds ...
Several molecular systems have been constructed that mimic various aspects of photosynthesis. Two of these utilize molecular system ...
It is known that laser printers print faster, but swallow a large amount of energy, even if the printer is in the energy saving ...
The term hybrid energy system refers to those applications in which multiple energy unit conversion devices are used together to supply an energy requirement. These systems are often used in isolated applications and normally include at least one renewable energy source in the configuration. Hybrid energy systems are used an alternative to more conventional systems, which typically are based on a single fossil fuel source. Hybrid energy systems may also be used as part of distributed generation application in conventional electricity grid. (more…)
There are numerous possible applications for hybrid power systems. The most common examples are (1) remote AC network, (2) dist ...
The characteristics and components of a hybrid system depend greatly on the application. The most important consideration is wh ...
Renewable energy generators are devices that convert energy from its original form in the renewable energy source into electric ...
The primary electric drivetrain components for fuel cell vehicles are the same as those for any electric vehicle: traction motors, ...
Air-blown circulating fluidized bed gasifiers are of interest because they produce a good quality, low calorific value (LCV) gas (4–6 MJ/Nm 3 ) and possess a very high carbon conversion efficiency while allowing high capacity, good tolerance to variations in fuel quality, and reliable operation. The high and homogeneously distributed temperatures and the use of particular bed materials, such as dolomite, favor tar cracking. Successful tar cracking can also be achieved using secondary circulating fluidized bed reactors. Also, successful tests on catalytic tar cracking have been performed, for example, by introducing nickel compounds into the gasifier. Sulfur control is made easier because of the significant reduction that can be achieved by adding limestone or dolomite to the gasifier bed. (more…)
The moisture content of the feedstock affects the gas composition and the energy balance of the process since gasification is an en ...
Thermo chemical processing of biomass yields gaseous, liquid, and solid products and offers a means of producing useful gaseous ...
A combination of legislation and technology has helped clean up many of the world’s coal-burning plants. Both developed and develop ...
Biomass Storage Biomass storage is required to ensure the continuous operation of the facility. To limit the space required for ...
Gasification is a thermo chemical process that has been exploited for more than a century for converting solid feedstocks to ga ...
Magnetic generator motor supplies green and renewable energy. The energy created is very environmentally friendly and healthier for us and our next generations. You can also build a magnetic generator motor that can be set in motion deliver enough energy to power your home with these simple few steps. (more…)
Magnetic power generator acted as a generator of free power because it generate electricity to power your home at free of cost to b ...
Everyone is aware that solar and wind power can generate electricity for your home, but for those who don't live in sunny or wi ...
The demand for electric energy by a community varies with the time of day and with the time of year. An electric power utility ...
Wind energy alongside solar energy is one form of renewable energy and its supply is abundant in earth. Most people distinguish ...
It is a known fact that the economy is in a recession and everyone is feeling the pinch in their wallet. For this reason, we ar ...
Electricity is the flow of electric charge. This is happened if an electric current flow through a conductor likes copper wire. In this circumstance, the electrons flow from copper forced very slowly in one way for DC (Direct Current). In the AC (Alternating Current) the flow swings back and forth. The spreading electrical power through movement and vibration of electrons inside metallic conductors is very similar to sound waves transmitted from the vibration of air molecules. (more…)
Power consumption from electricity is an essential element of the U.S. economy since the beginning of the century. Coal power plant ...
Wind energy alongside solar energy is one form of renewable energy and its supply is abundant in earth. Most people distinguish ...
The basic processes that occur in such a system are well understood. The semiconductor electrode efficiently absorbs light, produci ...
The demand for electric energy by a community varies with the time of day and with the time of year. An electric power utility ...
Magnetic power generator acted as a generator of free power because it generate electricity to power your home at free of cost to b ...
Today, photovoltaic cells only contribute a small proportion (approximately 0.04 percent) of total electricity in the United States. At the same time the production of solar panels has growth rapidly per year by around 20% growth in the 1990s and photovoltaic panels prices decreases every year. Annual worldwide solar panel production (including solar panels with homemade solar power homes) is about 400 MW per year. Based on the total cumulative capacity figure, it is already reaching 2 GW. (more…)
So-called thin-film photovoltaic devices are usually based on mixtures of elements other than silicon — most notably copper ind ...
The broad range of home solar energy systems are mostly known as Photovoltaic Systems (PV) or Thin Film Solar Technology. The s ...
So you're finally tired of those exorbitant electricity bills, or, you're catching onto a "greener" way of life. Either way, solar ...
In the mid-1880s, Charles Fritts built the first solar cell formed by selenium coated with a thin layer of gold and with an ene ...
The basic processes that occur in such a system are well understood. The semiconductor electrode efficiently absorbs light, produci ...
Recently, attention to energy efficiency has been gaining momentum. The attention given by policy maker is mainly due to concerns about climate change emissions of carbon dioxide from fossil fuels. Particular attention has been paid on how the role of technological improvements in energy efficiency can help reduce carbon dioxide emissions. (more…)
Another possible non-market-failure explanation for the energy efficiency gap is associated with the fact that even if a given tech ...
Not surprisingly, most Energy Research and Development takes place in industrialized countries where both the public and private se ...
Beginning at the end of the technological change process, research has consistently shown that diffusion of new, economically ...
Energy efficiency is defined here to mean energy services provided per unit of energy input (for example, gallons of water hea ...
Energy performance ratings tell what the energy performance of a building is, but if the energy performance of a building is to be ...
In today’s tough economic times and with the increasing prices of gas and oil, finding alternative sources of energy should be our top priority. These alternative energy solutions are not only cheaper to install and maintain but also can help save our dying environment.
There are numerous sources of affordable and environmentally-friendly fuels available. You can opt for biofuels, hydroelectric power system, wind energy, or solar power system installed right at your very own home. Among these sources of energy, building solar power system is easier and the most viable one to achieve. (more…)
So you're finally tired of those exorbitant electricity bills, or, you're catching onto a "greener" way of life. Either way, solar ...
Nowadays, solar power have become more affordable. That makes it a viable alternative energy option for homeowners who would li ...
Solar energy is one the most popular renewable energy sources these days. Solar panel systems don't even require much maintenan ...
As the cost of electricity rises and rises many of you will be wondering about solar panels installation. So was I. So I looked int ...
Don't pay for your energy anymore use solar panels and a residential wid generator and have the electric company paying you. You pl ...
As the name may suggest, a perpetual motion machine is a device used to provide cost free energy and if used well, it can be available for all human beings. Well, to begin with, it’s important to understand that it’s very difficult to understand, rather to conceptualize a perpetual motion machine because it can take decades to create it. Still on point, there are very many contradicting theories as to how one can come up with a perpetual motion (more…)
Magnetic power generator acted as a generator of free power because it generate electricity to power your home at free of cost to b ...
The characteristics and components of a hybrid system depend greatly on the application. The most important consideration is wh ...
Some forms of alternative energy sources are really new; while most of the energy forms are really come form in development and ...
The demand for electric energy by a community varies with the time of day and with the time of year. An electric power utility ...
Everyone is aware that solar and wind power can generate electricity for your home, but for those who don't live in sunny or wi ...