First Law of Thermodynamics

  • Achim SchmidtEmail author


In this chapter the causality between process variables and the change of state variables of a thermodynamic system is derived. The first section introduces the principle of equivalence between work and heat—an essential prerequisite in order to formulate the energy conservation principle known as first law of thermodynamics. Finally, the first law of thermodynamics is applied for closed respectively open systems as well as for thermodynamic cycles. Anyhow, thermodynamic cycles play an important role in the following chapters.

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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Fakultät Technik und InformatikHAW HamburgHamburgGermany

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