RAREFIED GAS DYNAMICS AND ITS APPLICATIONS TO VACUUM ...
RAREFIED GAS DYNAMICS AND ITS APPLICATIONS TO VACUUM ...
RAREFIED GAS DYNAMICS AND ITS APPLICATIONS TO VACUUM ...
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Holweck pump. First stage<br />
Four problems are solved<br />
(P )<br />
• Poiseuille flow in x direction G x (δ)<br />
(P )<br />
• Poiseuille flow in z direction G z (δ)<br />
• Couette flow in x direction G (C)<br />
x (δ)<br />
• Couette flow in z direction G (C)<br />
z (δ)<br />
✛ ✲✛<br />
y<br />
✻<br />
✲x<br />
z✠<br />
<br />
✲<br />
d b<br />
✻a<br />
❄ ✻<br />
It takes long CPU time<br />
h<br />
❄<br />
Felix Sharipov – p. 39