“The algebraic sum of all the transformations occurring in a cyclical process can only be positive, or, as an extreme case, equal to no”
Rudolf Clausius“The algebraic sum of all the transformations occurring in a cyclical process can only be positive, or, as an extreme case, equal to no”
Rudolf Clausius, Abhandlungen“The fundamental laws of the universe which correspond to the two fundamental theorems of the mechanical theory of heat.1. The energy of the universe is constant.2. The entropy of the universe tends to a maximum.”
Rudolf Clausius, The Mechanical Theory Of Heat