| 摘要 |
A method is provided for equalizing fluid pressure in a primary fluid flow region, comprised of providing a modulating fluid flow region adjacent to the primary flow region and separating the two regions with a perforated wall. By controlling the fluid pressure in the modulating fluid flow region, and permitting fluid to flow between the perforated wall, the fluid pressure in the primary fluid flow region is equalized. The perforations may be formed either in at least one ring about the perimeter of the plenum or at least one row along the longitudinal direction of the plenum. Furthermore, at least one of the perforations may be canted in either the longitudinal or radial directions. This method is important in equalizing the air pressure in a turbine engine air inlet and thereby avoiding aerodynamic distortions in said inlet. Additionally, an apparatus is provided for equalizing the pressure in a primary fluid flow region.
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