System for changing the convective heat transfer coefficient for a surface
View Patent ↗A system and method for producing surface deformations on a surface of a body. The system and method relate to changing the convective heat transfer coefficient for a surface. The system includes a first surface being a surface of a body exposed to a fluid flow and at least one actuator affecting deformation of the first surface. The system also includes a control system providing control commands to the at least one actuator, the control commands configured to change deformations on the first surface in order to change the convective heat transfer coefficient of the first surface. Further, the system includes a sensor providing environmental characteristic information to the control system.
1. A system for changing the convective heat transfer coefficient for a surface, comprising:
a first surface including a portion of a body exposed to a fluid flow;
at least one actuator affecting deformation of the first surface;
at least one temperature measuring sensor detecting temperature representative of temperature of the first surface; and
a means for controlling the convective heat transfer coefficient of the first surface based on the temperature received from the at least one temperature measuring sensor, the means for controlling generating control commands for the at least one actuator to change the deformation of the first surface.
2. The system of claim 1 , wherein the body is selected from the group consisting of an aircraft, a watercraft, a vehicle, an article of clothing, a ball, a toy, a projectile, a heat exchanger, a cooling system, a heating system, a building, a structure, and a pipe wall.
3. The system of claim 1 , wherein the at least one actuator comprises:
an array of actuators.
4. The system of claim 1 , wherein the at least one actuator comprises:
a plurality of distributed transducers.
5. The system of claim 1 , wherein the at least one actuator comprises:
at least one electroactive polymer device.
6. The system of claim 1 , wherein the at least one actuator comprises:
at least one acoustic wave generating device.
7. The system of claim 1 , wherein the at least one actuator comprises:
at least one piezoelectric transducer.
8. The system of claim 1 , wherein the at least one actuator comprises:
at least one electromechanical actuator.
9. The system of claim 1 , wherein the at least one actuator comprises:
at least one magnetic actuator.
10. The system of claim 1 , wherein the at least one actuator is deposited onto the surface or under the first surface.
11. The system of claim 1 , wherein the surface comprises a plurality of movable panels.
12. The system of claim 1 , wherein the surface comprises a wing surface.
13. The system of claim 1 , wherein the surface comprises a pipe wall surface.
14. The system of claim 1 , wherein the surface comprises an electronics package heat control surface.
15. The system of claim 1 , wherein the surface comprises a refrigeration heat exchanger surface.
16. The system of claim 1 , wherein the surface comprises a vehicle surface.
17. The system of claim 1 , wherein the surface comprises a turbine blade surface.
18. The system of claim 1 , wherein the surface comprises a cannula surface.
19. The system of claim 1 , wherein the first surface comprises a heat conductive surface.
20. The system of claim 1 , wherein the surface comprises a projectile surface.
21. The system of claim 1 , further comprising:
at least one other sensor providing environmental characteristic information to the control system.
22. The system of claim 21 , wherein the at least one other sensor comprises a pressure measuring sensor.
23. The system of claim 21 , wherein the at least one other sensor comprises a flow velocity sensor.