Free «Thermodynamics» Essay Sample

Without any doubt, thermodynamics studies the field of energy flow in natural system. According to the definition, thermodynamics is one of three disciplines that relate to the thermafluid sciences, such as thermodynamics, fluid dynamics, and heat transfer. Etymologically, the word thermodynamics has Greek roots: therme means heats, and dynamics – the power of heat, and strength. The laws of thermodynamics determine some of the principal truths of thermodynamics seen in our Universe.

The first law of thermodynamics amplifies the process of energy transferring from one system into another. Moreover, this law points out that energy cannot be made or demolished. Consequently, the total amount of energy and matter is invariable in the Universe.

The second law of thermodynamics, known as the Law of Increased Entropy, indicates why in the process of energy changes the useful energy is always decreased, and become less useful energy. Moreover, this law can predict that the entropy of an isolated system constantly increases with time (Pidwirny, 2006). The second law of thermodynamics explains a disposable using of a barrel of oil as a fuel source. It is explicated by the fact that the chemical bonds, in which the energy is stored, are broken under the process of burning, and release the energy into the environment as heat. Thus, there is no oil left. Moreover, the Law of Increased Entropy amplifies the reason of inability of the recycling of high-quality energy resources due to the less amount of energy after the changes from one form into another. After the changing, the energy loses its quality, and is dispersed into the atmosphere in the form of emission.

All in all, according to the second law of thermodynamics, humans should conserve energy, and reduce its waste in order to create better and healthier conditions of life.


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