Using CEA from Command Prompt

This document describes how to use NASA CEA2 from Command Prompt.

Downloading and Extracting Programs

Download the following zip file and extract files from it.
A folder named "cea-exec" will be created. Depending on how you exract, the folder may contain same-named folder. The files needed reside inside the inner folder.
cea-exec.zip

Calculation with Sample Inputs

Open the Command Prompt with the current directory set to the folder created above ( "cea-exec" containing FCEA2m[.exe] ).
You need to use Command promt instead of PowerShell window to follow the instructions below.
(Type cmd [enter] in PowerShell to start command prompt.)
* See Command Prompt Basics to use and configure the Command Prompt, or for the terms like current directory.
invoke the "fcea2m" program.
```
cea-exec>fcea2m
```

Following the prompting message, Type "cea2" as below.

 ENTER INPUT FILE NAME WITHOUT .inp EXTENSION.
   THE OUTPUT FILES FOR LISTING AND PLOTTING WILL HAVE
 THE SAME NAME WITH EXTENSIONS .out AND .plt RESPECTIVELY


cea2

cea-exec>

By this, the program has been executed by using the "cea2.inp" as an input.
Make sure that three output files (cea2.out, cea2.plt, and cea2.csv) have been created in the folder, and check the error messages in the outputs.
In order to perform calculation with the example inputs on the Top page, for example, to calculate for the example "CH4_O2_N2_tp.inp", place it in the current directory, and type "CH4_O2_N2_tp" on the prompt shown in 3. above. (As noted in the prompt in 3., DO NOT enter ".inp".)