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en:simulation:verfahrensparameter_-_materialstufen [2025/05/27 13:21] – deppe2en:simulation:verfahrensparameter_-_materialstufen [2025/12/06 12:36] (aktuell) – deppe2
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 ===== Process Parameters - Material Stages ===== ===== Process Parameters - Material Stages =====
  
-**Path: ** Main menu: Simulation > Edit process parameter... Tab: Material stages +**Path: ** Main menu: Simulation > Edit process parameter... Tab: Material stages\\ 
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 **Material stages** are entered in the dialog box of the same name (see figure). Material stages in SIGMA are the sum of the feed rates with its respective throughputs and temperatures. Polymers respectively additives can only be added at feeding barrels which are listed in the dialog box **Material stages**. **Material stages** are entered in the dialog box of the same name (see figure). Material stages in SIGMA are the sum of the feed rates with its respective throughputs and temperatures. Polymers respectively additives can only be added at feeding barrels which are listed in the dialog box **Material stages**.
  
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 The first material stage is identical with the feed rate of the fed additive, for every other material stage the data of the next material stage – i.e. the data of the (newly created) mixture – is needed for the simulation. The first material stage is identical with the feed rate of the fed additive, for every other material stage the data of the next material stage – i.e. the data of the (newly created) mixture – is needed for the simulation.
  
-Example: In a process with two additions 200 kg/h PP are fed at the first feeding barrel and 50 kg/h CaCO3 are fed at the second one. In this case the first material stage is PP (200 kg/h equivalent to the feed rate) and the second one is PP + CaCO3 (250 kg/h with 80% PP and 20 % CaCo3). This procedure does not lead to restrictions for the user concerning a certain material system, because every mixing rule known is only for two components.+Example: In a process with two additions 200 kg/h PP are fed at the first feeding barrel and 50 kg/h $CaCO₃$ are fed at the second one. In this case the first material stage is PP (200 kg/h equivalent to the feed rate) and the second one is PP + $CaCO₃$ (250 kg/h with 80% PP and 20 % $CaCO₃$). This procedure does not lead to restrictions for the user concerning a certain material system, because every mixing rule known is only for two components.
  
 Furthermore, you can define additional material stages not depending on feeding barrels. This is useful if there are material properties changing with residence time. Furthermore, you can define additional material stages not depending on feeding barrels. This is useful if there are material properties changing with residence time.
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 **Figure:** Material stages **Figure:** Material stages
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 **Figure:** Setup material stages **Figure:** Setup material stages