Table 1 Compression ratios of thermal creep KPs with different geometric shapes and stage numbers
From: Knudsen pumps: a review
No. Sec. | 1 | 2 | 3 | 4 | 5 | 8 | 16 | 25 | Refs. |
|---|---|---|---|---|---|---|---|---|---|
Fig. 10a | 1.004 | 1.008 | 1.011 | 1.015 | 1.019 | n/r | n/r | n/r | |
n/r | n/r | n/r | 1.253 | n/r | 1.309 | n/r | n/r | ||
Fig. 10b | 1.091 | 1.107 | n/r | 1.138 | n/r | 1.197 | n/r | 1.459 | |
n/r | 1.06 | n/r | 1.116 | n/r | 1.231 | 1.486 | n/r | ||
n/r | n/r | n/r | 1.077 | n/r | 1.081 | n/r | n/r | ||
Fig. 10c | n/r | n/r | n/r | 1.088 | n/r | 1.118 | n/r | n/r | |
Fig. 10d | 1.313 | n/r | n/r | n/r | n/r | n/r | n/r | n/r | |
Fig. 10e | n/r | n/r | n/r | 1.166 | n/r | 1.294 | n/r | n/r |