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Non-conventional Resources of Energy: An Analysis

CONSERVATION OF ENERGY

Energy is a primary input in virtually any industrial operation. Energy is also a significant input in industries such as business, travel, telecommunication, etc aside from the wide selection of services required in family members & industrial sectors. (A)

What Do We Mean by Solution Energy?

The alternative-energy segment of the power industry covers a broad range of options. These sources range from well established technologies, such as nuclear energy and hydroelectric electric power, through high-growth sections such as wind flow and solar power. They also include less tried and tested alternatives, such as hydrogen-powered, fuel-cell technology for use in electricity generation (7)

Renewable resources of energy:

It is that energy which is restored again &again. These include wood extracted from forests, petroplants, flower biomass agricultural wastes, blowing wind energy, water energy, geothermal energy, these can reproduce themselves in nature & can be harvested continusiously by having a sustained proper planning & management(B)

Non renewable resources of energy:

These can be purchased in limited amount & develop over a long period of time. They are worn out one day. included in these are coal, oil, petroleum, the normal way to obtain energy being organic and natural in their origin also called fossil fuel. ( B)

Conventional way to obtain energy:

In most of the fuel hardwood was used for local purposes mainly in rural areas, very little of it was available to professional sector. Coal already in use in industries become a highly priced source. It had been then supplemented by nutrient oil. Likewise the use of hydro-electricity become dearer the areas where jogging water &needed technology was easily available.

After 2nd world war nuclear power was developed. All these sources of energy. All these sources of energy are known as standard resources of energy. Coal still occupies a central position. (B)

Non conventional resources of energy:

Non renewable of energy could exhaust 1 day. Most non renewable options cause environmental pollution We should conserve non alternative sources by updating with renewable options. (B)

CONSERVATION OF ENERGY

Renewable resources of energy:

Non renewable sources of energy:

Conventional source of energy

Non conventional sources of energy

Sources of ener

Sources of energy:

  1. Primary
  2. Secondry

1: primary options are those that we get from environment. Eg. fossil gasoline, nuclear petrol, hydro energy, solar energy, wind energy.

2: secondry sources are those that derive from primary energy reference. Eg. Petrol, electricity, coal burning up. (A)

Conventional sources of energy:

Coal: The heat capacity can be converted into the electricity & gas, petrol. therefore many thermal & ultra thermal powerstation are located on the coal fields to produce electric power to feeds local grids. (A)

Oil : it was formed more than 300 million year before. Tiny diatoms will be the source of oil. Diatoms will be the sea creature in the size of pin head. Diatoms are inactive they fell into the sea floor. They buried under the stones. The rock squeeze the diatoms & the power in the bodies could not escape. The carbon eventually turned into oil under great pressure & heat. Olive oil &natural gas are located under floor between stones & in areas where stones are porous. (C)

Natural gas: It is lighter than air. It really is consisting of methane (consisting of carbon & hydrogen atoms ch-4). It really is found close to the petroleum under the planet earth. It has no odour. it is usually combine with a gas that has strong odour like rotten eggs. (C)

NUCLEAR FUSION

If light nuclei are forced together, they will fuse with a produce of energy because the mass of the combination will be less than the total of the people of the individual nuclei. In the event the put together nuclear mass is significantly less than that of iron at the top of the binding energy curve, then nuclear allergens will be more tightly bound than they were in the lighter nuclei, and that reduction in mass comes off by means of the energy in line with the Einstein romance. For elements heavier than iron, fission will yield energy.

For potential nuclear energy sources for the planet earth, the deuterium-tritium fusion reaction contained by some type of magnetic confinement seems the probably journey. However, for the fuelling of the celebrities, other fusion reactions will dominate. (c)

NUCLEAR FISSION

The nucleus catches the neutron, it splits into two lighter atoms and throws off two or three new neutrons. Both new atoms then emit gamma radiation as they settle into their new states. You can find three things about this induced fission

-the possibility of a U-235 atom recording a neutron as it passes by is fairly high.

-the procedure for capturing the neutron and splitting happens rapidly, in the order of picoseconds

-An extraordinary amount of energy is released by means of high temperature and gamma radiation, when a solitary atom splits. The two atoms that result from the fission later release beta radiation and gamma radiation of their own as well. The energy released by a single fission Originates from the actual fact that the fission products and the neutrons, alongside one another, weigh less than the original U-235 atom. The difference in weight is altered directly to energy at a level governed by the equation e=mc2 (C)

NUCLEAR REACTOR

(1)Light water reactor-We use normal drinking water for colling and moderisation these are basic 2 types

  1. boiling water reactor
  2. pressurised normal water reactor

There are also temperature gas called reactors which in essence of l. w. r type (2):heavy normal water reactor: typically the most popular one has been Canadian deuterium uranium reactor. The look is difficult from that of lwr type. The fuel is set up horizontally as opposed to the vertically such as l. w. r. (3):liquid metallic fast breeder reactor: here we use liquid sodium as the coolent. You will find 300 atomic electric power seed, operating in world. Potential in use (83), Ussr (40), up (35), France(34), Japan 25, Germany 15, Canada 13 India is rich in atomic mineral. Uranium mines are located in singbum in bihar &parts of bihar Most abudent source is monazite sands on the shores of kerala. Thorium comes from these sands. Nuclear ability corporation is employed with the establishment of nucleus. Ability plant life: 6 nuclear power plants in procedure creating 1230 mwe(solitary individual flower is 210-235mwe). (b)

Advantages

Nuclear energy has lots of positives choosing it. First, it does not produce carbon emissions, generating it supporters in environmentally friendly community among those concerned about global warming. second, once reactors are designed, it is very inexpensive to keep them working at high capacity and then for utilities to handle demand fluctuations by cutting back on utilization of fossil fuels. Third, nuclear crops tend to last a long time and many existing vegetation have become better over time, lowering their demand for uranium. and stand for reliable resources of supply

Disadvantages

There are lots of cons to the nuclear-power option. These include not only the security questions but also some financial and supply-related questions that are currently being debated by those for and against renewal of out-of-date power vegetation or an growth of the sector. In conditions of basic safety, two issues are regularly debated. First, the problem of nuclear waste and, second, concerns over potential terrorist attacks on nuclear electricity vegetation. The first objection may be conquer through the benefits of new types of electric power plants, including the pebble-bed modular reactor. This sort of reactor uses graphite balls flecked with small amounts of uranium, rather than conventional petrol rods. While using gas encased in graphite and impermeable silicon carbide, the idea would be that the waste material should be not too difficult to get rid of. The terrorism fears are less easily resolved and may eventually stall the building of new vegetation in countries including the U. S. , where these worries are biggest. Among monetary concerns is the question of building costs. Although the cost of energy produced by existing nuclear vegetation is competitive, the upfront capital costs of creating new plants are extremely high, computed at $1, 300-$1, 500 per kilowatt- hour, or double the total amount it costs to create a gas-fired electric power station(F)

Non Typical energy source

SOLAR ENERGY

Two weeks of solar technology is roughly equivalent to the stored in every known reserves of coal. essential oil and gas on the earth. Solar technology may be straight used either by lively solar system or unaggressive solar system. Another probably essential requirement 0f direct solar technology involves solar panels or photovoltaic that convert natural light straight into electricity. Two other kind of solar energy will be the solar powered energy tower and solar ponds. (b) A couple of two main ways to harness the power of the sun to create electricity: photovoltaic (PV), where sunlight is directly changed into electricity via solar cells, and solarthermal electricity. PV is a successful technology that is best suited for small-scale applications to provide temperature and power to individual homes and businesses. Sun light falls on the coating of semiconductors, which jostles electrons. This, in turn, creates an electrical current you can use as a source for high temperature. Solar PV cells are already affordable for powering houses and businesses in a few regions. As with wind power, technical improvements have reduced costs considerably during the last few years. Unlike wind electricity, however, largescale electricity production using solar technology costs about 22 cents per kilowatt-hour, significantly more expensive than its fossil fuel opponents and nuclear energy. Hopes to lessen these costs lay with newer technologies. Solar-thermal made energy is only just growing from the experimental stage to full-scale electricity development. Solar-thermal ability concentrates sunlight to heat up petrol such as gas or olive oil. The heat caught within is then used to convert drinking water into vapor, which powers a conventional steam turbine to create electricity. Fossil fuels are sometimes used as a back-up to heat the water in the boiler if the sun is not shining. You will find three different options for concentrating natural sunlight:

  • Parabolic Trough - This technique uses long, parallel rows of cup mirrors in the form of a trough to focus the sun's rays toward the "absorber tube" - usually filled up with oil - to maximum effect.
  • Power Tower - Similar in principle to parabolic-trough technology, the mirrors are placed in a round pattern. At the center of the circle is a tower, near the top of which is a receiver filled with drinking water, air, liquid metal or molten sodium that moves to a power block and can be used to power a heavy steam turbine.
  • Parabolic Disk System - In this technique, dishes somewhat than troughs are being used to concentrate the energy of sunlight. A good example of this kind of solar task is the 500-megawatt SOLAR TECHNOLOGY Systems place being made in the Mojave Desert in California. By the end of 2006, the company expects to begin offering electricity to Southern California Edison (SCE), but will not be fully functional until 2011, when it could account for just as much as a 20 percent increase in SCE's electricity technology from renewables(F)

Advantages

In spite of its cost versus other sources of energy, solar powered energy is getting interest because of the following:

  • Solar energy makes use of a renewable natural learning resource that is easily available in many parts of the entire world.
  • The process used to create solar technology is emission-free.
  • Technological improvements have reduced costs to a spot which it can compete with fossil gas alternatives in specific circumstances.
  • The technology is scalable in that it could be used fordomestic heating purposes or on a larger size for commercial electricity technology, as solar normal water heaters are a recognised technology, widely available and simple to install and maintain

Disadvantages

The biggest obstacles to increasing solar power generation are the cost, the quantity of land necessary for large-scale electricity production, and the intermittent mother nature of the energy source. In conditions of the second option, thermal systems do not just work at nights or in inclement weather. Storage of warm water for domestic or commercial use is easy, requiring only insulated tanks, but storage area of the higher-temperature fluids needed to generate electricity on a big size - or storage space of the electricity itself - requires further technological development(F)

WIND ENERGY

In the united states there are areas which are quite windy. Wind energy may be converted into mechanical & electrical energy. Now, wind flow has been implemented for pumping water in rural areas.

Wind energy pays to in remote areas helps in saving fossils fuels, would deliver at that moment small quantity of energy which is free pollution & environmental degradation. Gujrat is first to starts using wind vitality.

Advantages

There are lots of distinctive advantages associated with breeze power:

  • It is a clean, alternative energy source.
  • There is not any fuel element, so once built there is absolutely no a finite gas source or costs associated with such a resource.
  • Wind electricity can be made in remote control areas, including out in the oceans.
  • It is scalable in that it can be used to generate power in a local area or even at the average person property level, but can also make large amounts of power that can be put into an electricity grid system. .
  • For land-based breeze farms, after the wind towers are installed, the land area around them can be used for other purposes, such as agricultural use.

Disadvantages

As with any source of energy, there are some drawbacks to wind flow power. The most significant would be that the wind to drive the turbines may be intermittent which it does not always blow when electricity is needed. Breeze energy may only be accessible 40 percent of the year in a few areas versus 90 percent for a fossil-fuel driven plant. New cutter design can beat this problem to a certain extent, as can holding the vitality in batteries, but because of these potential drawbacks, the website of the wind flow farm is key to its success and vice versa. (F)

OCEAN ENERGY (TIDAL ENERGY)

Tidal power technology depends on the harnessing of climb and land of sea level anticipated to tidal action. Small tidal electric power crops have been constructed in china & USSR. The most important application of tidal electric power is electricity generation.

In India sites exploitation of tidal energy are gulfs of kutch & kombay & sunderbans.

India could intensify work on sea thermal energy alteration & wave energy. The united states has already been experience with exploiting tidal energy. The central electricity specialist & Gujrat electricity board completed site studies for establishment of tidal plants in golf of kutch. India has excellent OTEC probable & among the better sites in world are known to be located from the Indian mainland & island of lakshdeep & Andoman & nicobar. Total OTEC probable in India is 50000mW which is approximately 150% of installed electricity made capacity in India.

PRESENT USES

Tidal power is wearing a small level been used throughout the annals of mankind. It was not until twentieth century that large-scale tidal jobs were considered. Today, sites suitable for the utilisation of tidal vitality exist in many places throughout the world.

DISADVANTAGES

-Not yet economically feasible.

-Problems with transport of hydroelectricity.

-Technology not developed.

ADVANTAGES

-Renewable source of information.

-No pollution.

-Produced 24 hours per day and 365 days yearly.

-Peak result coincides with peak energy demand. (c)

Fuel cell

Production of electricity by thermal plants is not a very successful method and is also major way to obtain pollution. It now possible to make such where reactants sre given constantly to the electrodes and products are removed constantly from the electrolyte compartment. Galvanic cell that can convert theenergy of combustion of fuels like hydrogen, methane, methanol, etc. straight into electrical energy are called fuel cell.

One of the most successful gasoline cell uses the effect hydrogen with oxygen to form drinking water. The cell was used for providing electrical power in Apollo space programme.

The normal water vapours produced through the response were condensed and put into the normal water supply for the astronauts. Within the cell, hydrogen and oxygen are bubbled through porous carbon electrodes into focused aqueous sodium hydroxide solution. Catalyst like finally divided platinum metal are incorporated into the electrodes for increasing the speed of electrode reaction.

Efficiency is 70%compared to thermal vegetable whose efficiency is 40%. (E)

A petrol cell that operates on pure oxygen & hydrogen produces no waste materials product. when a reformer is combined to the energy cell some pollutant are released(co2)but levels are usually less than classic fossil gasoline combustion in a electric power flower or an auto-mobile engine unit. energy cell could be ideal zero emission vitality source for vehicle. Gasoline cell busses could be analyzed in a Canada. The current from a energy cell is proportional to the size of electrode & voltage is bound (1. 23). Tiny fuel cell running on methanol might found in cell phone, pager, toys and games, computer, now run by batteries.

Bio petrol: based on fuel produced from organic biomass from lately living family pets or plants or their by products, has changed from a niche alternative to fossil fuels (e. g. , fuel, diesel) to become flourishing industry.

Any liquid that stores energy, which is typically utilized by an engine motor or generator, can be called a "gas. " The term "bio fuels" includes an array of fuels, including veggie oils, animal body fat, ethanol, biodiesel (any olive oil or excess fat that undergoes trans esterification to more strongly resemble mineral-based gas), and syn gas (fuel made from gasi fied organic subject, then liquefied to create fuel). The primary common trait of most these fuels is that they are derived from organic and natural biomass, alternatively than nutrients.

Bio fuels are made using a fairly easy process that typically involves harvesting feedstock, or the raw materials (e. g. , soybeans, sugarcane), crushing the feedstock, separating the dry out matter from the essential oil, then re-crushing and/or further control to extract all the oil as you can. The resulting petrol can then either be straight used (e. g. , by vehicles with specially designed engines), further processed (e. g. , into biodiesel), or blended with mineral-based gas before being sent to the end consumer at gas stations and depots about the world (the most frequent blends in the U. S. are E10 (10% percent ethanol blend) and E85 (85% ethanol mix). Only some biofuels, especially biodiesel, can be used in traditional internal combustion machines. Other biofuels, such as ethanol, must be blended with mineral-based gasoline in order to be found in existing engines.

The most usual inputs into biofuels vary by country. Within the U. S. , corn and soybeans are most common, while Europe will use flaxseed and rapeseed, Brazil sugarcane, and Asia hand essential oil. Brazil is in many ways the pioneer of the biofuels industry, having presented ethanol from sugarcane (and flexfuel vehicles capable of working on ethanol) over 25 years back as method to reduce dependence on essential oil imports.

a fuel cell uses a catalyst to create a response between hydrogen from a petrol and oxygen from mid-air to create electricity, with the one byproduct being water. Such fuel skin cells can be used for power generation and as an alternative for the combustion engine to run automobiles and other vehicles. Energy cells have always been used in the U. S. space program, but until the past couple of years have proved prohibitively expensive for civilian use. Fascination with fuel cells was reignited in the late 1990s, as companies commenced to make breakthroughs in technology. Large automotive manufacturers, such as Standard Motors and Daimler Chrysler, also started out buying fuel-cell companies and commenced to design idea fuel-cell driven vehicles. Development, thus far, has focused primarily on protonexchange membrane (PEM) gasoline cells. This sort of fuel cell runs on the polymer membrane to separate two subcells, one given with hydrogen and one with air (through air). In the hydrogen area, the hydrogen breaks down into protons and electrons, and the protons migrate through the membrane into the oxygen area. The electrons, on the other hand, are required to detour through cable connecting material plates, producing a response that creates electricity. Other types of cells include the molten-carbonate energy cell, which is the most effective design but is very complex and only cost-effective when making more than 200 kilowatts. Westinghouse is developing a competing design, the solidoxide gasoline cell, which runs at extremely high temperatures and has the added benefit that waste temperature may be used to drive an auxiliary gas turbine. (F)

What are the Issues to Large-Scale Hydrogen Development?

One of the biggest obstacles to moving towards large-scale adoption of the "hydrogen economy" is creation of hydrogen itself. A question often raised is whether it requires more energy to produce the hydrogen than you get back when you either drive the car or use it to power a building. There are currently three ways to produce hydrogen:

  • Natural gas, coal, timber and organic throw away lose with air and heavy steam at extremely high temperature ranges. When cooled, the resulting gases include a significant amount of hydrogen.
  • An electrical power current is approved between two electrodes (anelectrolyzer) immersed in water. Hydrogen increases up from the negative electrode and air from the positive electrode.
  • Some bacteria apparently produce hydrogen, but this technique has yet to be exploited commercially

The to begin these options has typically been the most cost-effective. So it still requires the using of fossil fuels, combined with the growing price for natural gas, however, helps it be less attractive as a long-term solution.

The second item is simple to determine and can be carried out on a small or large size nearest the stage where the hydrogen may be needed. However, it also has a major drawback. Although this method has a 98 percent efficiency rate, when you factor in the voltage of the petrol cell, you reunite only 40 percent of what you put in

There are two powerful quarrels for changing electricity into hydrogen, regardless of the inefficiency of the process:

  • The first is the "use it or lose it" concept. Electrical energy itself can't be stored in its 100 % pure form; it needs to be changed into something else. Just as surplus nuclear and gas-fired electricity channels may store unused vitality by it to pump normal water back up in the damper as part of an integrated electrical storage space system in mixture with a hydroelectric electric power vegetable, hydrogen can be likewise used to store unused electrical energy.
  • Second, electricity stored as hydrogen is flexible. Not only

can it be utilized for re-electrification, it can also potentially

be used as energy for autos or for producing warmth.

Why Fuel Cells?

Fuel cells immediately convert the chemical type energy in hydrogen to electricity, with pure water and potentially useful high temperature as the one byproducts.

Hydrogen-powered fuel skin cells are not only pollution-free, but can also have 2-3 times the efficiency of traditional combustion technology.

  • A normal combustion-based power flower typically produces electricity at efficiencies of 33 to 35 percent, while gasoline cell systems can generate electricity at efficiencies up to 60 percent (and even higher with cogeneration).
  • The gasoline engine motor in a typical car is less than 20% efficient in switching the chemical energy in fuel into vitality that moves the automobile, under normal driving a vehicle conditions. Hydrogen fuel cell vehicles, designed to use electric motors, are a lot more energy conserving and use 40-60 percent of

the fuel's energy - matching to greater than a 50% decrease in fuel consumption, compared to a typical vehicle with a fuel internal combustion engine unit.

In addition, energy cells operate silently, have fewer moving parts, and are suitable to a number of applications.

How Do Gasoline Skin cells Work?

A single fuel cell contains an electrolyte sandwiched between two electrodes, an anode and a cathode. Bipolar plates on either aspect of the cell help distribute gases and serve as current enthusiasts. In a very Polymer Electrolyte Membrane (PEM) energy cell, which

most appealing for light-duty transportation, hydrogen gas moves through channels to the anode, where a catalyst causes the hydrogen substances to split up into protons and electrons. The membrane allows only the protons to feed it.

Comparison of Gasoline Cell Technologies

In general, all fuel cells have the same basic settings - an electrolyte and two electrodes. But there will vary types of gasoline cells, classified primarily by the kind of electrolyte used. The electrolyte establishes the type of chemical substance reactions that happen in the fuel cell, the temperature range of procedure, and other factors that determine its most suitable applications. (7)

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