Abstract
Although the pertinent formulae for the compressibility factor, the polytropic volume and temperature exponent were published in the 1940s, the message has, even today, not reached all engineering contractors that different exponents for calculating head and temperature have to replace the traditional “ratio of specific heats”, which is irrelevant for real process gases. In this chapter a systematic derivation and compilation of real-gas thermodynamics and the most common real-gas equations of state are presented along with the ready-to-use formulae with the purpose of establishing precise descriptions of the physical relationships and avoiding misunderstandings still widespread in the turbomachinery community.
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Lüdtke, K.H. (2004). Thermodynamics of Real Gases. In: Process Centrifugal Compressors. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-09449-5_2
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DOI: https://doi.org/10.1007/978-3-662-09449-5_2
Publisher Name: Springer, Berlin, Heidelberg
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