Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen RevisionVorhergehende ÜberarbeitungNächste Überarbeitung | Vorhergehende Überarbeitung | ||
| en:berechnungen:verweilzeit [2024/10/17 20:11] – [Residence time] neelest | en:berechnungen:verweilzeit [2025/07/03 13:34] (aktuell) – cschall | ||
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| Zeile 1: | Zeile 1: | ||
| ======Residence time====== | ======Residence time====== | ||
| + | |||
| + | -> [[en: | ||
| For the calculation of the residence time the same conditions as for the calculation of | For the calculation of the residence time the same conditions as for the calculation of | ||
| Zeile 7: | Zeile 9: | ||
| **Realization of the theoretical principles** | **Realization of the theoretical principles** | ||
| - | The screw is divided into at least 150 parts for the residence time calculation. | + | Up to [[en: |
| - | the point of melt pool formation (OSW), | + | |
| - | minimum | + | $$\bar{t} = \frac{V}{\dot{V}}$$ |
| - | assumed, here. From the point of melt pool formation (OSW) the residence time is calculated | + | with the channel volume $V$ and the volume flow $\dot{V}$. |
| - | with allowance for the current density. When the residence time calculated equals | + | |
| - | metering time calculated, the residence | + | The minimum |
| - | This procedure is continued until the screw tip is reached. | + | |
| + | $$\frac{t_{min}}{\bar{t}}=\frac{\dot{\pi}_m^{0, | ||
| + | |||
| + | with the [[en: | ||
| + | |||
| + | **PSI only:** As soon as the calculated | ||
| ===Further topics=== | ===Further topics=== | ||
| * [[en: | * [[en: | ||
| + | * [[en: | ||
| * [[en: | * [[en: | ||
| - | * [[en: | ||
| * [[en: | * [[en: | ||
| * [[en: | * [[en: | ||
| * [[en: | * [[en: | ||
| * [[en: | * [[en: | ||
| + | * [[en: | ||
| * [[en: | * [[en: | ||
| * [[en: | * [[en: | ||
| Zeile 35: | Zeile 43: | ||
| * [[en: | * [[en: | ||
| * [[en: | * [[en: | ||
| - | |||