In-plane transverse momentum injection to disrupt large-scale eddies in a turbulent boundary layer
US11692566B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Oct 6, 2022 |
| Grant date | Jul 4, 2023 |
| Priority date | — |
| Expiry date | Oct 6, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Systems and methods are described herein to implement transverse momentum injection at low frequencies to directly modify large-scale eddies in a turbulent boundary layer on a surface of an object. A set of transverse momentum injection actuators may be positioned on the surface of the object to affect large-scale eddies in the turbulent boundary layer. The system may include a controller to selectively actuate the transverse momentum injection actuators with an actuation pattern to affect the large-scale eddies to modify the drag of the fluid flow on the surface. In various embodiments, the transverse momentum injection actuators may be operated at frequencies less than 10,000 Hertz.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.