Thermodynamic property slopes from primary measurements

Kandadai Srinivasan*, Bidyut B. Saha, Pradip Dutta, Kim C. Ng, Michael J. Brear

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


This paper lists the values of slope properties of entropy, enthalpy and exergy along isotherms, isochors, isobars and isentropes in terms of properties that can be primarily measured, namely pressure, volume, temperature, their slopes derivable from equations of state and one of the specifi c heats in the ideal gas state. It is also shown that all these slopes can be expressed in terms of a coeffi cient of thermal expansion and isothermal compressibility as well. These could be useful as an educational tool in chemical and mechanical engineering.

Original languageEnglish (US)
Pages (from-to)79-91
Number of pages13
JournalInternational Journal of Mechanical Engineering Education
Issue number1
StatePublished - Jan 2012


  • Exergy relations
  • Slope properties
  • Thermodynamics

ASJC Scopus subject areas

  • Mechanical Engineering
  • Education


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