The Advantages of Geothermal Energy for Air Cooling
Geothermal energy is described as the heat generated in the earths core since the planets origin. This energy stems from radioactive decay of several minerals below the earths crust and additionally from the solar power soaked up by the earth’s surface. The power at the moment, is utilized in industries, commercial companies and even in households for various functions and is thought to be ecologically feasible as it makes use of minimal exhaustible resources of the earth. The thermal efficiency of this power is also high as little or no power conversion is required throughout its use.
In recent years, geothermal energy gains ground as it is being more and more utilized in heating and cooling of houses and offices. This process utilizes constant temperature of the earth to heat and cool properties and businesses with 40-70% less power than conventional systems. While normal heating and cooling devices burn fuel or consume electricity, the geothermal energy makes use of a much lesser amount 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 reasons, which takes heat from ground or groundwater, thus 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 method which is completely in vogue in the developed countries and is reaching a certain level of utilisation in developing nations also. The constant heat of the earth, at about 10 feet below the earths surface, continues to be around 50F, that is utilized by these pumps for the function. Air or anti-freeze liquids are typically pumped through the pipes which are buried under the ground and are re-circulated in the household or office building. In summer, the air or the anti-freeze liquid in the pipes of the ground source pumps extract heat from the building and takes it under the ground through the pipes, therefore operating as air-coolers. During winter, it draws the heat from beneath the earths surface and supplies warm air or water to the building.
The ground source heat pumps makes use of a closed loop principle of evaporation of water or liquid refrigerant (which 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 noble way of energy utilisation in the contemporary world. The warrants of its use in the purpose of air cooling and heating are:
1. Geothermal energy, being a renewable source, can very easily be used over and over again and therefore reduces the risk of energy exhaustion in the future.
2. Because of its sustainability and lesser degree of pollution (its use minimizes carbon dioxide emissions in a big way), geothermal energy is regarded as ecologically viable source of power.
3. This source of energy is cost-effective and energy-efficient, making it trustworthy for future utilizes.
With numerous distinct reasons, there’s no question of why geothermal power is growing in popularity.
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