How to read a Thermodynamic table?

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SUMMARY

When solving thermodynamic problems involving fluids, the choice between using the Pressure Table (A4) or the Temperature Table (A5) depends on the known variables. Both tables provide equivalent information regarding internal energy and entropy. If either temperature or pressure is known, interpolation can often be avoided, simplifying the process of obtaining necessary data.

PREREQUISITES
  • Understanding of thermodynamic properties such as internal energy and entropy
  • Familiarity with thermodynamic tables, specifically Pressure Table (A4) and Temperature Table (A5)
  • Basic knowledge of interpolation techniques in thermodynamics
  • Experience with fluid properties and their relevance in thermodynamic calculations
NEXT STEPS
  • Study the use of Thermodynamic Tables A4 and A5 in detail
  • Learn interpolation methods for thermodynamic data extraction
  • Explore advanced thermodynamic concepts such as phase diagrams
  • Investigate the application of these tables in real-world engineering problems
USEFUL FOR

Students and professionals in engineering, particularly those specializing in thermodynamics, fluid mechanics, and energy systems, will benefit from this discussion.

Beembo
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When solving a word problem in Thermodynamics and are given both pressure and tempreature of a fluid or water, how do we know if we should get information about internal energy and entropy from the Pressure Table or the Temperature Table?
 
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Hi Beembo, :welcome:

You could be a bit more specific. Here is a link with the tables you mention (A4 and A5). There is also an A6 etc. What's the problem ?
 
The tables are equivalent. You might be able to avoid interpolation if you know the temperature or the pressure.
 

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