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Sample Data from NIST WebBook

In this lesson, you will learn to use the National Institute of Standards and Technology (NIST) website to obtain thermodynamic data instead of using the tables in the Chapter 2 First Aid Kit. Here is a table of data that was downloaded from the

NIST WebBook

and formatted in Excel.

Saturated liquid water data table from NIST

The

NIST WebBook

will be our primary source of thermodynamic data for the remainder of this course, so it is very important that you become comfortable using it.

Saturated Liquid Water Data

Lesson
3B Blog

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Lesson 3B: page 1 of 25

Previous LESSON

In the last chapter, we learned how to extract the information that we needed from tables of thermodynamic data.
Now, you probably thought that the numbers in those tables had actually been measured in a laboratory somewhere.
But that is not the case. The numbers in the steam tables, as well as in the refrigerant tables, were generated from a very sophisticated equation of state.
The bad news is that this equation is pretty complicated and you wouldn’t want to write your own program to solve it.
The good news is that the program has been implemented as part of the National Institute of Standards and technology website and you can use it for free !
This site is called the NIST WebBook and the table shown here was cut from it and pasted into Excel.
We just used Excel to format the table so it would fit neatly onto this page.
We devote this entire lesson to showing you how to use the NIST WebBook because it will be the primary source of data for the rest of this course.
You will come to appreciate the NIST WebBook because it nearly eliminates the need for interpolation. You’ve gotta love THAT !

Sample Data from NIST WebBook

NIST WebBook

NIST WebBook

Ch 3, Lesson B, Page 1 - Sample Data from NIST WebBook