The Advantages of Geothermal Energy for Air Cooling
Posted September 3rd, 2010 byCategories: Great Home Improvement Tips, Science Portal
Geothermal energy is described as the heat generated in the earths core since the planets source. This power originates from radioactive decay of numerous minerals below the earths crust and additionally from the solar power absorbed by the earth’s surface. The energy presently, is utilized in industries, commercial companies and even in homes for various functions and is considered ecologically practical as it uses minimal exhaustible resources of the earth. The thermal efficiency of this power is additionally high as little or no power conversion is needed throughout its use.
Recently, geothermal energy gains ground as it is being more and more used in heating and cooling of homes and offices. This process makes use of constant temperature of the earth to heat and cool residences and organizations with 40-70% less energy than traditional systems. While regular heating and cooling units burn fuel or consume electricity, the geothermal power makes use of a much lesser quantity of electricity only to pump out heat from the earth and then directly utilize the heat power for air heating or cooling.
Geothermal companies provide ground source heat pumps, for air cooling and heating functions, which extracts heat from ground or groundwater, therefore lowering carbon dioxide emissions and electricity bills and increasing ecological sustainability.
Ground source heat pumps : Process
Air cooling and heating by ground source heat pumps is a process which is completely in vogue in the developed countries and is achieving a certain level of utilisation in developing nations also. The continuous heat of the earth, at about 10 feet below the earths surface, remains around 50F, that is utilized by these pumps for the purpose. Air or anti-freeze liquids are typically pumped via the pipes which are buried underground and are re-circulated in the household or business building. In summer, the air or the anti-freeze liquid in the pipes of the ground source pumps get heat from the building and takes it under the ground through the pipes, therefore operating as air-coolers. Throughout winter, it pulls the heat from under the earths surface area and supplies warm air or water to the building.
The ground source heat pumps uses a closed loop principle of evaporation of water or liquid refrigerant (that boils at a lower temperature as compared with water and therefore forms steam effectively), compression of the vapour formed and the subsequent condensation of the steam to water/liquid refrigerant for air cooling purpose.
Therefore, in a nutshell, geothermal power is a commendable way of power utilisation in the modern-day world. The merits of its use in the purpose of air cooling and heating are:
1. Geothermal energy, being a renewable source, can easily be used over and over again and thus minimizes the risk of power exhaustion in the long term.
2. Because of its sustainability and lesser degree of pollution (its use minimizes carbon dioxide emissions in a huge way), geothermal energy is viewed as ecologically practical source of energy.
3. This source of energy is cost-effective and energy-efficient, making it dependable for future uses.
With countless distinct reasons, there’s no question of why geothermal power is rising in popularity.
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