| 摘要 |
Several forms of non-rotating translation apparatus and processes are disclosed, which may for example be used for aerodynamic or hydrodynamic separation of micron and submicron size dispersed particles from fluid flowing along elongated, congruent flow paths in confined streams. A rotating centrifugal acceleration field is generated which may be utilized in the flowing fluid to cause separation. A preferred embodiment is a cluster of plural rows and columns of plural, laterally and vertically contiguous congruent helical ducts with increasing and decreasing aspect ratio that undulate along the length thereof in each of two directions transverse to the flow paths. The separator may be used at transonic velocities of gaseous streams with an upstream flow expanding nozzle supplying micron size condensed aerosols and a downstream recompressing nozzle, thus pumping in the gas the condensation heat of the extracted vapor. It may also be used for breaking down up to micron size atomized liquids with larger size, for causing physical or chemical reactions between liquid aerosols and their carrier gas and for extracting said aerosols after the reaction. |
