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Second Law of Thermodynamics in Automobile Engines and Aerospace Vehicles

Nitu Pathak

Abstract


Thermodynamics is a core part of science. Nearly all scientists should have a basic knowledge of thermodynamics. The second law of thermodynamics is considered to be the most fundamental law of science. It explains not only the working of engines, refrigerators and other equipment’s used in our daily life, but also highly advanced theories like big bang, expansion of universe, heat death, etc. Thermodynamics is the study of relationship between energy and entropy, which deals with heat and work. It is a set of theories that correlate macroscopic properties that we can measure (such as temperature, volume, and pressure) to energy and its capability to deliver work. A thermodynamic system is defined as a quantity of matter of fixed mass and identity. Everything external to the system is the surroundings and the system is separated from the surroundings by boundaries. In the present article, some thermodynamics applications of the design of automobile engines and aerospace vehicles were discussed. All types of vehicles that we used to see running on-roads every day, such as cars, motorbikes, trucks, or those that fly in air i.e., aeroplanes, or the ships that run on water; all work on the basis of the second law of thermodynamics.

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References


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