回転体による半径流の生成

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  • Simulation of Radial Flow Generated by Rotating a Set of Screens and Disks
  • カイテンタイ ニ ヨル ハンケイリュウ ノ セイセイ

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  The generation of radial gas flow by rotating a set of screens radiating in all directions while also rotating a combination of radial screens and disks perpendicular to the axis was investigated by Monte Carlo simulation. The results were as follows: a) Radial flow is effectively enhanced by rotating the set of screens with a velocity ratio rω/<υ> of greater than 2, where <υ> is the mean velocity of the gas molecules and rω is an additional circumferential velocity due to rotation. Moreover, the compression ratio becomes greater than 106 when the velocity ratio is greater than 3. b) The special combination of parallel disks and radial screens has both a large pumping efficiency greater than 0.5 and a large compression ratio greater than 105 with a velocity ratio of 3.<br>

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