The Benefits of Geothermal Energy for Air Cooling
Geothermal energy is defined as the heat generated in the earths core since the planets source. This power stems from radioactive decay of several minerals under the earths crust and additionally from the solar power absorbed by the earth’s surface area. The energy at present, is used in industries, commercial companies and even in homes for various capabilities and is regarded ecologically practical as it uses minimum exhaustible resources of the earth. The thermal performance of this energy is also high as little or no power conversion is needed during its use.
In recent times, geothermal energy gains ground as it’s being increasingly more used in heating and cooling of homes and offices. This process utilizes constant temperature of the earth to heat and cool properties and businesses with 40-70% less energy than conventional systems. While normal heating and cooling devices burn fuel or consume electricity, the geothermal energy utilizes a much lesser amount of electricity only to pump out heat from the earth and then directly utilize the heat energy for air heating or cooling.
Geothermal businesses offer ground source heat pumps, for air cooling and heating functions, that 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 very much in vogue in the developed countries and is achieving a certain level of utilisation in developing nations also. The constant heat of the earth, at about 10 feet underneath the earths surface, stays around 50F, that is used by these pumps for the purpose. Air or anti-freeze liquids are usually pumped via the pipes which are buried underground 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, thus working as air-coolers. Throughout winter, it pulls the heat from beneath the earths surface area and provides warm air or water to the building.
The ground source heat pumps uses a closed loop principle of evaporation of water or liquid refrigerant (which boils at a lower temperature as compared to water and therefore forms steam effectively), compression of the vapour formed and the following condensation of the steam to water/liquid refrigerant for air cooling function.
Thus, in summary, geothermal power is a noble way of energy use in the modern-day world. The value 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 therefore reduces the risk of energy exhaustion in the future.
2. Because of its sustainability and lesser degree of pollution (its use reduces carbon dioxide emissions in a huge way), geothermal power is considered to be ecologically viable source of power.
3. This source of power is cost-effective and energy-efficient, making it reliable for future uses.
With numerous distinct reasons, there’s no question of why geothermal energy is growing in popularity.
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