Advantages And Disadvantages Of Non Renewable Energy

Monday, March 7, 2022 5:53:49 PM

Advantages And Disadvantages Of Non Renewable Energy



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FORM 4 GEOGRAPHY LESSON 31 ADVANTAGES AND DISADVANTAGES OF NON RENEWABLE SOURCES OF ENERGY Copy 2

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The advantages of wind energy are more apparent than the disadvantages. The main advantages include an unlimited, free, renewable resource the wind itself , economic value, maintenance cost, and placement of wind harvesting facilities. First and foremost, wind is an unlimited, free, renewable resource. Wind is a natural occurrence and harvesting the kinetic energy of wind doesn't affect currents or wind cycles in any way.

Next, harvesting wind power is a clean, non-polluting way to generate electricity. Unlike other types of power plants, it emits no air pollutants or greenhouse gases. The wind turbines harmlessly generate electricity from wind passing by. Wind energy is far more ecofriendly than the burning of fossil fuels for electricity. Currently, the United States, along with other countries, remains dependent on fossil fuels imported from unstable and unreliable nations.

Wind power has the ability to free the US from the figurative economic bondage of fossil fuels. Once turbines and energy centers have been installed, the cost of maintaining turbines and generating wind power is next to nothing. Another advantage of wind power is the ability to place turbines wherever necessary. After performing research and finding areas that have adequate wind, experts may place the turbines in desired areas. In , the World Commission on Environment and Development WCED classified fission reactors that produce more fissile nuclear fuel than they consume i.

The use of nuclear technology relying on fission requires Naturally occurring radioactive material as fuel. Uranium , the most common fission fuel, is present in the ground at relatively low concentrations and mined in 19 countries. As of only a few kilograms picture available of uranium have been extracted from the ocean in pilot programs and it is also believed that the uranium extracted on an industrial scale from the seawater would constantly be replenished from uranium leached from the ocean floor, maintaining the seawater concentration at a stable level. In particular, nuclear power facilities produce about , metric tons of low and intermediate level waste LILW and 10, metric tons of high level waste HLW including spent fuel designated as waste each year worldwide.

Issues entirely separate from the question of the sustainability of nuclear fuel, relate to the use of nuclear fuel and the high-level radioactive waste the nuclear industry generates that if not properly contained, is highly hazardous to people and wildlife. Land surface can be considered both renewable and non-renewable resource depending on the scope of comparison. Land can be reused but new land cannot be created on demand so from economic perspective it's a fixed resource with perfectly inelastic supply.

Natural resources , known as renewable resources, are replaced by natural processes and forces persistent in the natural environment. There are intermittent and reoccurring renewables, and recyclable materials , which are utilized during a cycle across a certain amount of time, and can be harnessed for any number of cycles. The production of goods and services by manufacturing products in economic systems creates many types of waste during production and after the consumer has made use of it.

The material is then either incinerated , buried in a landfill or recycled for reuse. Recycling turns materials of value that would otherwise become waste into valuable resources again. In the natural environment water , forests , plants and animals are all renewable resources, as long as they are adequately monitored, protected and conserved. Sustainable agriculture is the cultivation of plant and animal materials in a manner that preserves plant and animal ecosystems and that can improve soil health and soil fertility over the long term. The overfishing of the oceans is one example of where an industry practice or method can threaten an ecosystem, endanger species and possibly even determine whether or not a fishery is sustainable for use by humans.

An unregulated industry practice or method can lead to a complete resource depletion. The renewable energy from the sun , wind , wave , biomass and geothermal energies are based on renewable resources. Renewable resources such as the movement of water hydropower , tidal power and wave power , wind and radiant energy from geothermal heat used for geothermal power and solar energy used for solar power are practically infinite and cannot be depleted, unlike their non-renewable counterparts, which are likely to run out if not used sparingly.

Geothermal energy can provide 1. There is enough wind to power the planet 30 times over, wind power could power all of humanity's needs alone. Solar currently supplies only 0. Renewable energy and energy efficiency are no longer niche sectors that are promoted only by governments and environmentalists. The increasing levels of investment and that more of the capital is from conventional financial actors, both suggest that sustainable energy has become mainstream and the future of energy production, as non-renewable resources decline.

This is reinforced by climate change concerns, nuclear dangers and accumulating radioactive waste, high oil prices , peak oil and increasing government support for renewable energy. These factors are commercializing renewable energy , enlarging the market and growing demand, the adoption of new products to replace obsolete technology and the conversion of existing infrastructure to a renewable standard. In economics, a non-renewable resource is defined as goods , where greater consumption today implies less consumption tomorrow. He argued that the spot price is always determined by the mine with the highest cost of extraction, and mine owners with lower extraction costs benefit from a differential rent.

The first model is defined by Hotelling's rule , which is a economic model of non-renewable resource management by Harold Hotelling. It shows that efficient exploitation of a nonrenewable and nonaugmentable resource would, under otherwise stable conditions, lead to a depletion of the resource. The rule states that this would lead to a net price or " Hotelling rent " for it that rose annually at a rate equal to the rate of interest , reflecting the increasing scarcity of the resources.

From Wikipedia, the free encyclopedia. Main articles: Mineral and Ore. Further information: Mining. Main article: Fossil fuel. The more wheels your rope can wrap around, the more weight you can lift. This type of pulley system is often referred to as a pulley system and usually consists of a rope wound around two axes several times. As you pull on the rope, the lower and upper axes slowly come together, increasing your ability to lift the object. Pulleys can be made from a variety of materials, including cast iron, cast steel or pressed steel, wood, and paper.

The cast material should have good friction and wear characteristics. The pulley made from pressed steel is lighter than cast pulleys, but in many cases, they have less friction and can produce excessive wear. A fixed pulley changes the direction of the force on a rope or belt that moves along its circumference. A good example of a fixed pulley is a flag pole: When you pull down on the rope, the direction of force is redirected by the pulley, and you raise the flag. A fixed pulley is a pulley with the drum attached to a single location.

While the force required to lift or move an object is no different than lifting it by hand, the fixed pulley allows you to change the direction of the force required. A movable pulley has an axle in a movable block. A single movable pulley is supported by two parts of the same rope and has a mechanical advantage of two. A movable pulley is one in which the drum moves as you are moving the load. If you were hauling a heavy hay bale up into the loft of a barn, for example, a movable pulley would make the load feel much lighter, although the direction you are pulling would be the same. In a compound pulley system, there is both a moveable pulley as well as a fixed pulley. Although this type of configuration makes it possible to move heavy loads very easily, the tradeoff is that considerably more motion is required to do the work.

The cone pulleys is another specialized pulley system that incorporates the basic mechanics of a pulley system while allowing for mechanical adjustments. A cone pulleys are essentially multiple pulleys of decreasing vertical circumference on top of each other, forming a cone shape. Multi-gear bicycles essentially operate on the same system; Cyclists can easily shift between smaller gears that propel the bike at a slower speed, and more gears require more effort but move the bike more distances per revolution.

A block and tackle are a specific form of compound pulleys that can dramatically reduce the amount of work required to move a heavy object. A block-and-tackle pulleys system consists of several fixed and movable pulses arranged parallel to each other; a Fixed pulley is aligned with fixed and movable pulleys with movables. Each compound pair is associated with the next pair, and each set reduces the total work required. This pulley system is attributed to the popular ancient inventor and mathematician, Archimedes.

Flat belt pulleys are used in transmission systems that are operated by flat belts, typically high speeds in textiles, low power applications, paper making, and office machinery such as computer printers. The flat belts are also used for conveyors. Flat belts are also less expensive than belts used in a serpent belt pulleys. A safety factor is that in high torque situations, the belt may slip, causing damage to equipment other than the belt. Flat belts require flat pulleys and flat pulleys idlers.

They do not necessarily require a flattened flat belt pulley. A flat pulley idler can also be used for the backside of a traditional V-belt. Flat belt drives apply motive power to the police belt. Pulleys are usually made of cast iron. The rim is placed on the web from the central boss or by arms or spokes. The arms may be straight or curved and the cross-section is usually elliptical. Cast iron pulleys are usually made with round rims.

When a cast pulley contracts into the mold, the arms are in a state of tension and are very liable to break. Curved arms yield rather than break. Weapons are near the hub. This slight convexity is known as a crown. The crown centers the belt on a pulley rim while in motion. The crown can be 9 mm to mm in the width of the face.

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