본 연구에서는 또하나의 새로운 서술방식을 제시하게 되는데, 먼저 에너지 이동현상으로서의 일중에서 가용일을 분리하고, 가역과정만이 가능한 세계 즉 가역세 계 안에서 측정과 산정이 가능하도록 열역학의 가장 중요한 물리량인 온도와 엔트로피, 열 등을, 가용일의 가측성을 이용하여 정의한 다음, 그러한 제한조건하에서 기존 열역 학의 기본 법칙들이 어떻게 표시되는가 살펴보고, 이것을 비가역과정에 확장하는 식의 순서에 따라 열역학의 기존원리들에 대한 서술을 재구성하고자 한다.
본 연구에서는 또하나의 새로운 서술방식을 제시하게 되는데, 먼저 에너지 이동현상으로서의 일중에서 가용일을 분리하고, 가역과정만이 가능한 세계 즉 가역세 계 안에서 측정과 산정이 가능하도록 열역학의 가장 중요한 물리량인 온도와 엔트로피, 열 등을, 가용일의 가측성을 이용하여 정의한 다음, 그러한 제한조건하에서 기존 열역 학의 기본 법칙들이 어떻게 표시되는가 살펴보고, 이것을 비가역과정에 확장하는 식의 순서에 따라 열역학의 기존원리들에 대한 서술을 재구성하고자 한다.
In conventional thermodynamics, energy is regarded as a physical quantity transferring from one system to another, but in present study, the real energy is regarded as a physical quantity coming out from one interaction and absorbing into another interaction between two systems. To reconstruct therm...
In conventional thermodynamics, energy is regarded as a physical quantity transferring from one system to another, but in present study, the real energy is regarded as a physical quantity coming out from one interaction and absorbing into another interaction between two systems. To reconstruct thermodynamics with such a point of view, available work is distinguished from half work in conventional work concepts, and a special space named reversible world is proposed in which every process is reversible and the only measurable quantity is available work and just the equality between the intensities of two systems can be verified. As results, thermodynamic laws are arranged into two principles in the reversible world-conservations of energy elements and conservation of available energy. It means the exsistences of state properties corresponding to transferring energy elements and the available work. The former are extensive properties and the later is named potential work which is a property of the composite system and a kind of mathematical distance. The conventional available energy (exergy) and internal energy can be explained as the special cases of potential work, and the conventional first law of thermodynamics can be derived from the principle of the conservation of available energy. With these new concepts, the description of thermodynamic processes is more comprehensive. The second law of thermodynamics is no longer needed in the reversible world.
In conventional thermodynamics, energy is regarded as a physical quantity transferring from one system to another, but in present study, the real energy is regarded as a physical quantity coming out from one interaction and absorbing into another interaction between two systems. To reconstruct thermodynamics with such a point of view, available work is distinguished from half work in conventional work concepts, and a special space named reversible world is proposed in which every process is reversible and the only measurable quantity is available work and just the equality between the intensities of two systems can be verified. As results, thermodynamic laws are arranged into two principles in the reversible world-conservations of energy elements and conservation of available energy. It means the exsistences of state properties corresponding to transferring energy elements and the available work. The former are extensive properties and the later is named potential work which is a property of the composite system and a kind of mathematical distance. The conventional available energy (exergy) and internal energy can be explained as the special cases of potential work, and the conventional first law of thermodynamics can be derived from the principle of the conservation of available energy. With these new concepts, the description of thermodynamic processes is more comprehensive. The second law of thermodynamics is no longer needed in the reversible world.
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