Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen RevisionVorhergehende Überarbeitung | |||
| en:eingabe_der_schneckendaten:schneckenzonen [2025/05/05 10:27] – cschall | en:eingabe_der_schneckendaten:schneckenzonen [2025/07/16 14:51] (aktuell) – cschall | ||
|---|---|---|---|
| Zeile 27: | Zeile 27: | ||
| Basically, the width of the channel results in | Basically, the width of the channel results in | ||
| - | $$b=t \cdot cos(\varphi) - e$$ | + | $$b=\frac{t \cdot cos(\varphi) - i \cdot e}{i}$$ |
| $$\text{with}$$ | $$\text{with}$$ | ||
| $$tan(\varphi)=\frac{t}{\pi \cdot \overline{D}}$$ | $$tan(\varphi)=\frac{t}{\pi \cdot \overline{D}}$$ | ||
| $$\text{and}$$ | $$\text{and}$$ | ||
| $$\overline{D} = D-h$$ | $$\overline{D} = D-h$$ | ||
| - | with the pitch $t$, the pitch angle $\varphi$, the flight width $e$, the nominal screw diameter $D$, the channel depth $h$ and the effective diameter $\overline{D}$. \\ | + | with the pitch $t$, the pitch angle $\varphi$, the flight width $e$, the nominal screw diameter $D$, the channel depth $h$ ,the number of channels $i$ and the effective diameter $\overline{D}$. \\ |
| In the figure above, however, areas that reduce the channel cross-section are marked in red. As REX/PSI always calculates with a simplified rectangular channel, the reduction of the channel cross-section is taken into account by a reduced channel width: | In the figure above, however, areas that reduce the channel cross-section are marked in red. As REX/PSI always calculates with a simplified rectangular channel, the reduction of the channel cross-section is taken into account by a reduced channel width: | ||
| $$b_{effective}=\frac{b \cdot h-A_{radii, | $$b_{effective}=\frac{b \cdot h-A_{radii, | ||