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This page contains an interactive Java applet to explore the various factors which affect the jet engine performance. All of the information presented by the applet are available within the Beginner's Guide to Propulsion. You should start with the slide describing the gas turbine engine.

This is a special, undergraduate, on-line version of the EngineSim Java applet. If you are an experienced EngineSimU user, you can use the sleek version which does not contain the following instructions and loads faster on your computer.

EngineSimU includes all of the options of the original version plus an additional input panel. The panel is invoked from the schematic drawing at the upper left by clicking on the word "Limits". Using this panel, you can reset the limits on all of the variables in the program. After you type in new values for the limits, you must push the blue Submit button at the lower right of the panel to send the new values to the program.

You can download your own copy of this program by clicking on this yellow button:

Button to Download a Copy of the Program

There is an even more powerful version of EngineSimU which is available for very experienced users. This program is a Java application, not an applet. It runs stand alone and you must have Java installed on your computer to run this program. The chief advantage of this program is that it can read and write files on your computer. You can obtain a copy of this program by pushing the yellow button shown above.


Button to Display Propulsion Index Button to Display Aerodynamics Index
Beginner's Guide to Propulsion
Beginner's Guide to Aerodynamics
Beginner's Guide to Aeronautics


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Editor: Nancy Hall
NASA Official: Nancy Hall
Last Updated: May 13 2021

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