gsphelp  Station numbers

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gsphelp  Station numbers

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The station number identifies the link between two components. Usually a station number identifies a customary engine station in the gas turbine gas path. It is a user customizeable number including decimals which is per default set to the AS 755 engine station designation system. When two components are linked using GSP's drag-and-drop interface, GSP compares the station numbers of the two component links. If they do not match a dialog for specification of the number pups-up. When Cancel is pressed in the Station number dialog, the station number is set to the number that was shown initially in the dialog box.

 

The station numbers can be changed any time by clicking on the link icons.

 

The station numbers are used to identify gas path parameters such as pressures and temperatures in the output. For example: TT5 is the total temperature at station 5.

 

Station numbers must be unique in the model. In case the same station number on two stations is used, the output parameters will receive only the value of the last station in the gas path defined by the component order.

Do not confuse station numbers with component ID strings, which are used to identify component parameters such as pressure ratio PR for example.

 

Station numbers in between components or inside components (e.g. the turbine NGV station, found on the output tab sheet of the model's input window) are checked for duplicates (on initialization and on calculation).