Systems and methods for producing traveling waves along surfaces exposed to supersonic fluid flows
AssigneeThe Texas A&M University System
InventorIman Borazjani
Life of this patent
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Abstract
A supersonic flow system in which a supersonic flow is encountered includes a surface configured to be exposed to a supersonic fluid flow, wherein the surface includes an upstream end and a downstream end opposite the upstream end, a wave generator coupled to the surface and including one or more actuators configured to selectably induce strain in the surface, and a wave controller in signal communication with the wave generator and configured to activate the one or more actuators to induce one or more travelling waves configured to travel along the surface between the upstream end and the downstream end of the surface.
Claims18
A supersonic flow system in which a supersonic flow is encountered, the system comprising:
- a surface configured to be exposed to a supersonic fluid flow, wherein the surface comprises an upstream end and a downstream end opposite the upstream end;
- a wave generator coupled to the surface and comprising one or more actuators configured to selectably induce strain in the surface;
- and
- a wave controller in signal communication with the wave generator the wave controller comprising a processor and a memory device including instructions that when executed by the processor, cause the wave controller to:
- activate the one or more actuators to induce one or more travelling waves configured to travel along the surface between the upstream end and the downstream end of the surface;
- and
- control the activation of the one or more actuators to alter one or more properties of the supersonic flow whereby one or more shocks in the supersonic flow are selectably adjusted using the one or more travelling waves.
A supersonic flow system in which a supersonic flow is encountered, the system comprising:
- a surface configured to be exposed to a supersonic fluid flow, wherein the surface comprises an upstream end and a downstream end opposite the upstream end;
- a wave generator coupled to the surface and comprising one or more actuators configured to selectably induce strain in the surface;
- and
- a wave controller in signal communication with the wave generator, the wave controller comprising a processor and a memory device including instructions that, when executed by the processor, cause the wave controller to:
- activate the one or more actuators to induce one or more travelling waves configured to travel along the surface between the upstream end and the downstream end of the surface;
- and
- control the activation of the one or more actuators to at least one of reduce a flow separation between the supersonic flow and the surface using the one or more travelling waves, and increase a streamwise velocity of the supersonic fluid flow along the surface using the one or more travelling waves whereby one or more shocks in the supersonic fluid flow are selectably adjusted.
A supersonic flow system in which a supersonic flow is encountered, the system comprising:
- a surface configured to be exposed to a supersonic fluid flow, wherein the surface comprises an upstream end and a downstream end opposite the upstream end;
- a wave generator coupled to the surface and comprising one or more actuators configured to selectably induce strain in the surface;
- and
- a wave controller in signal communication with the wave generator, the wave controller comprising a processor and a memory device including instructions that, when executed by the processor, cause the wave controller to:
- activate the one or more actuators to induce one or more travelling waves configured to travel along the surface between the upstream end and the downstream end of the surface;
- and
- adjust a frequency of the activation of the one or more actuators to at least one of increase a speed of the one or more travelling waves in response to an increase in the speed of the supersonic flow, and decrease the speed of the one or more travelling waves in response to a decrease in the speed of supersonic flow whereby one or more shocks in the supersonic fluid flow are selectably adjusted.
Dependencies are inferred from the claim text.