Process of model operation is called a simulation 1. Gas turbine performance models simulate gas turbine behavior throughout the operating envelope at various power levels in a 0-D manner. The range of performance model applications is broad. They are primarily employed to evaluate the potential of new gas turbine cycles, to. The attached gives steps to set up a simulation in HYSYS v8.6 to model a simple Rankine steam cycle for electricity production. The system consisting of: Fuel gas side with air blower, combustion chamber, & fuel gas side of the steam boiler. Steam side with steam turbine, steam condenser, condensate pump, & steam side of the boiler.
This is a beta 1.8a version of the EngineSim program. If you find errors in the program or would like to suggest improvements, please send an e-mail to [email protected].
The older Version 1.7c is still available, if you prefer. The older version encountered some loading problems with the most recent Java security patches.
This page contains an interactive Java applet to explore the various factors which affect 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.
EngineSim
With this software you can investigate how a jet (or turbine) engine produces thrust by interactively changing the values of different engine parameters.
Recently (2013), there have been several security patches added to the Java Runtime Environment (JRE). As a result of the security patches, EngineSim does not always perform as it did in the past. One patch does not allow the display of .gif images from a local directory. The patch prohibited loading of the program altogether. The current version works around this problem by not including any photos.
Due to IT security concerns, many users are currently experiencing problems running NASA Glenn educational applets. The applets are slowly being updated, but it is a lengthy process. If you are familiar with Java Runtime Environments (JRE), you may want to try downloading the applet and running it on an Integrated Development Environment (IDE) such as Netbeans or Eclipse. The following are tutorials for running Java applets on either IDE:
Netbeans
Eclipse
Netbeans
Eclipse
Other problems may occur while running the applet due to it being outdated. Until it is updated, HERE is another application that demonstrates the simulator.
There are several different versions of EngineSim which require different levels of experience with the package, knowledge of jet engines, and computer technology. This web page contains the on-line version of the program. It includes an on-line user's manual which describes the various options available in the program and includes hyperlinks to pages in the Beginner's Guide to Propulsion describing the math and science of the jet engine. More experienced users can select a version of the program which does not include these instructions and loads faster on your computer. You can download these versions of the program to your computer by clicking on this yellow button:
![Gsp gas turbine simulation program Gsp gas turbine simulation program](http://www.asim-foundation.com/assets/media/5481e328-d69e-4a83-a42f-b8a3d9266b6d.gif)
With the downloaded version, you can run the program off-line and do not have to be connected to the Internet. You can also investigate the effects of engine performance on aircraft range by using another interactive applet called RangeGames.
Undergraduate Version - EngineSimU
There are special versions of EngineSim for undergraduate students who are studying the basics of turbine propulsion. These versions let you reset the limits on many of the design variables. There are on-line and off-line applet versions of the program and an off-line application version. With the application version, you can save your design to a file, input a previous design from a file, and obtain output files for printing. To run the application version, you must have the Java Developers Kit (JDK) installed on your computer.
GENERAL INSTRUCTIONS
This program is designed to be interactive, so you have to work with the program. There are several different types of widgets that you use to work with the program.
- There are a variety of choices which you must make regarding the analysis and the display of results by using a choice box. A choice box has a descriptive word displayed and an arrow at the right of the box. To make a choice, click on either the arrow or the current choice word, hold down, and drag to make your selection. The new selection is indicated by a change in the word. A recent security patch has changed the way that choice boxes operate. This can result in a condition where you can't change from Imperial to Metric units. To overcome this problem, we have included an Override option on the choice boxes on the control panel. If you get stuck, click on Override then click on your choice; it will then work correctly.
- The current values of the design variables are presented to you in text boxes. By convention, a white box with black numbers is an input box and you can change the value of the number. A black box with yellow or red numbers is an output box and the value has been computed by the program. To change the value in an input box, select the box by moving the cursor into the box and clicking the mouse, then backspace over the old number, enter a new number, then hit the Enter key on your keyboard. You must hit Enter to send the new value to the program.
- For most input variables you can also use a slider located next to the input box. Click on the slider bar, hold down and drag the slider bar to change values, or you can click on the arrows at either end of the slider. If you experience difficulties when using the sliders to change variables, simply click away from the slider and then back to it.If the arrows on the end of the sliders disappear, click in the areas where the left and right arrow images should appear, and they should reappear.
- Some graphics decisions are selected by pushing buttons. To push a button, move the cursor over the button and click the mouse.
If you see only a grey box at the top of this page, be sure that Java is enabled in your browser. If Java is enabled, and you are using the Windows XP operating system, you need to get a newer version of Java. Go to this link: http://www.java.com/en/index.jsp, try the 'Download It Now' button, and then select 'Yes' when the download box from Sun pops up.
SCREEN
The program screen is divided into four main parts: