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ItState variable hasProcess variable been shown in the previous chapters that it is important to distinguish between state and process variables. State variables indicate the state of a thermodynamic system. Furthermore, they can be depicted, for example, in a p, v-diagram. The state of an ideal gas is defined by two independent state variables, so that each p, v-pair in a p, v-diagram uniquely defines the state of a system, see Fig. 10.1. Consequently, the change of a specific state variable \(\Delta z\) can be calculated by initial and final state.

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State Variable Versus Process Variable

  • 章节

  • 发表日期：

    2025年

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  • Achim Schmidt

摘要

ItState variable hasProcess variable been shown in the previous chapters that it is important to distinguish between state and process variables. State variables indicate the state of a thermodynamic system. Furthermore, they can be depicted, for example, in a p, v-diagram. The state of an ideal gas is defined by two independent state variables, so that each p, v-pair in a p, v-diagram uniquely defines the state of a system, see Fig. 10.1. Consequently, the change of a specific state variable \(\Delta z\) can be calculated by initial and final state.