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8960595 Wingless hovering of micro air vehicle  
Embodiments of the subject invention relate to an air vehicle and a power source. Embodiments can operate at reasonable power levels for hovering and withstanding expected wind gusts. Embodiments...
8727286 Systems and methods for controlling flows with pulsed discharges  
Systems and methods for controlling air vehicle boundary layer airflow are disclosed. Representative methods can include applying electrical energy bursts and/or other energy bursts in nanosecond...
8640995 System and method for aerodynamic flow control  
A vortex generator system comprises one or more plasma streamwise vortex generators (PSVGs) or plasma wedge vortex generators (PWVGs). The PSVGs and PWVGs each comprises a first electrode and a...
8636254 Dynamically controlled cross flow instability inhibiting assembly  
A cross flow instability inhibiting assembly generates periodic aerodynamic disturbances on a swept wing. The cross flow instability inhibiting assembly is dynamic in that it can be selectively...
8602361 Laminar flow monitor  
A method of monitoring the performance of an aerodynamic surface of an aircraft. The aircraft is operated during a non-perturbed measurement period such that the flow of air over the surface is at...
8523115 System, apparatus, program product, and related methods for providing boundary layer flow control  
Systems, apparatus, and program product and methods for controlling boundary layer flow across an aerodynamic structure which can produce separate regions of flow structures at different strengths...
8382029 Wingless hovering of micro air vehicle  
Embodiments relate to a Wingless Hovering Micro Air Vehicle and its Power Source Unit. Embodiments can operate at reasonable power levels for hovering and withstanding expected wind gusts....
8348200 Synthetic jet actuator system and related methods  
Systems and methods for controlling fluid flow utilizing a synthetic jet actuator, are provided. An example of a synthetic jet actuator system includes a synthetic jet actuator including a dual...
8308112 Plasma actuators for drag reduction on wings, nacelles and/or fuselage of vertical take-off and landing aircraft  
An aircraft includes a surface over which an airflow passes. A plasma actuator is configured to generate a plasma above the surface, the plasma coupling a directed momentum into the air...
8267355 Method of controlling aircraft, missiles, munitions and ground vehicles with plasma actuators  
A method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly of controlling fluid flow across their surfaces or other surfaces which would...
8251318 Disbanded cascaded array for generating and moving plasma clusters for active airflow control  
An array of electrodes for selectively generating plasma is described herein. The array includes a first electrode disposed along a first dielectric, and at least a second electrode. A second...
8240609 System and method for reducing viscous force between a fluid and a surface  
A metamaterial has a magnetic permeability response at frequencies sufficient to generate a repulsive force between a fluid and a surface to which the metamaterial may be applied. The metamaterial...
8226047 Reduction of tip vortex and wake interaction effects in energy and propulsion systems  
An airfoil includes a plasma actuation surface integrated onto the airfoil surface. On the airfoil, the plasma actuation surface is configured to provide high-frequency plasma actuation along the...
8220753 Systems and methods for controlling flows with pulsed discharges  
Systems and methods for controlling air vehicle boundary layer airflow are disclosed. Representative methods can include applying electrical energy bursts and/or other energy bursts in nanosecond...
8220754 Plasma enhanced riblet  
An object moving through a fluid uses plasma to keep turbulent mixing vortices associated with turbulent air away from the majority of the surface of the object. The plasma may be used to enhance...
8196871 Control of shockwave-boundarylayer-interaction using MEMS plasma devices  
A micro-electromechanical system (MEMS) dielectric barrier discharge (DBD) based aerodynamic actuator is configured to modify a shockwave boundary layer interaction and limit incident boundary...
8181910 Method, apparatus, and system for deflecting air approaching a wing  
Fluid having a velocity approaching a surface having a leading edge may be deflected. An electric field may be projected ahead of the leading edge of the surface to ionize at least some molecules...
8091836 Rotary wing system with ion field flow control  
A rotary-wing system which generates a directed ion field to propel a fluid along a rotary-wing to control at least one boundary layer characteristic.
8016246 Plasma actuator system and method for use with a weapons bay on a high speed mobile platform  
A system and method for controlling a freestream air flow over a surface of an airborne mobile platform, for example an aircraft. In one implementation the system includes a plurality of plasma...
8016247 Plasma flow control actuator system and method  
A plasma actuator system and method especially well adapted for use on airborne mobile platforms, such as aircraft, for directional and/or attitude control. The system includes at least one plasma...
8006939 Over-wing traveling-wave axial flow plasma accelerator  
A method to manipulate a fluid flow over a surface is provided. This method may be used to reduce drag, improve the lift to drag (L/D) ratio, attach fluid flow, or reduce flow noise at the...
7988101 Airfoil trailing edge plasma flow control apparatus and method  
A flow control system and method especially well adapted for use on a Coanda surface. In one embodiment a plurality of plasma actuators are disposed over a Coanda surface of a wing of an aircraft....
7954768 Method of controlling aircraft, missiles, munitions and ground vehicles with plasma actuators  
A method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly of controlling fluid flow across their surfaces or other surfaces which would...
7744039 Systems and methods for controlling flows with electrical pulses  
Systems and methods for controlling flow with electrical pulses are disclosed. An aircraft system in accordance with one embodiment includes an aerodynamic body having a flow surface exposed to an...
7735910 Plasma wind deflector for a sunroof  
A wind deflector for a sunroof. The wind deflector includes a first electrode proximate an edge of a sunroof opening. A second electrode is proximate the first electrode. An insulator is...
7641153 Directed energy off-body heating for supersonic vehicle shockwave and sonic boom control  
Methods and apparatus for suppressing noise. The present invention provides a method that includes directing a laser at a first volume of gas and directing microwave radiation to a second volume....
7624941 Method of controlling aircraft, missiles, munitions and ground vehicles with plasma actuators  
The present invention relates to a method of controlling an aircraft, missile, munition or ground vehicle with plasma actuators, and more particularly to controlling fluid flow across their...
7413149 Wing enhancement through ion entrainment of media  
A system for augmenting the apparent velocity and effectiveness of an airfoil, such as a wing, on a vehicle includes at least one ionizer or emitter positioned relative to the airfoil to ionize a...
7380756 Single dielectric barrier aerodynamic plasma actuation  
A single dielectric barrier aerodynamic plasma actuator apparatus based on the dielectric barrier discharge phenomenon is disclosed and suggested for application to aerodynamic uses for drag...
7017863 Turbulent flow drag reduction  
The present invention relates to apparatus for influencing fluid flow over a surface, and more particularly, but not exclusively, to turbulent boundary layer flow drag reduction for an aircraft....
6805325 Surface plasma discharge for controlling leading edge contamination and crossflow instabilities for laminar flow  
The present invention provides a system and method for controlling leading edge contamination and crossflow instabilities for laminar flow on aircraft airfoils that is lightweight, low power,...
6570333 Method for generating surface plasma  
A method for generating a discharge plasma which covers a surface of a body in a gas at pressures from 0.01 Torr to atmospheric pressure, by applying a radio frequency power with frequencies...
6247671 Ion doping apparatus and method for aerodynamic flow control  
Method and apparatus for impingement on the sonic wave produced by a supersonic gas flow and the gas flow in a boundary layer of a gas that interfaces with a solid substrate comprising providing a...
6220549 Method and apparatus for fabricating panels used for the active control of surface drag  
Improved methods and techniques for fabricating a panel of control cells, or a "control panel", useful in various electromagnetic turbulence control (EMTC) applications includes a layered...
6079345 System and method for controlling the flow of a conductive fluid over a surface  
Magnetic and electric fields are used in a controlled manner to create Lorentz forces that affect the flow of a conductive fluid near the boundary layer of a control tile, or a matrix of control...
5964433 Staggered actuation of electromagnetic tiles for boundary layer control  
The boundary layer of a fluid travelling in a mean-flow direction relative to a surface of a wall of a body is controlled by generating in the fluid a magnetic field B having flux lines along the...
5941481 Device for interactive turbulence control in boundary layers  
An electro-magnetohydrodynamic (EMHD) transducer that detects and manipuls the velocity of a near-wall fluid below a turbulent boundary layer includes a magnetic field generator to provide a...
5934611 Low drag inlet design using injected duct flow  
An air intake system disposable in an air vehicle turbo engine housing disposed in an exterior airflow for selectively reducing external engine boundary layer separation drag and external engine...
5934622 Micro-electrode and magnet array for microturbulence control  
A boundary layer control device for a surface which reduces turbulence by oviding forces which counteract microturbulent events occurring at the surface. The microturbulent events occur...
5890681 Method for controlling microturbulence  
A method for controlling microturbulence in a medium flowing near a surface s disclosed. The method includes the steps of measuring the forces acting near or on the surface and using those...
5797563 System for increasing the aerodynamic and hydrodynamic efficiency of a vehicle in motion  
The system includes radiation generation and transmission components which radiate tuned microwave electromagnetic energy outwardly from a vehicle through an antenna into a fluid medium through...
5791275 Surface layer comprising micro-fabricated tiles for electromagnetic control of fluid turbulence in sea water  
A surface layer for use in connection with an object adapted for motion tugh a fluid includes an array of tiles each having a pair of electrodes and a pair of magnetic poles positioned to generate...
5669583 Method and apparatus for covering bodies with a uniform glow discharge plasma and applications thereof  
Method and apparatus for covering a free-standing body with a uniform glow discharge plasma, particularly at atmospheric pressure. The method may be used to provide a body coated with such a...
5437421 Multiple electromagnetic tiles for boundary layer control  
The boundary layer of a fluid travelling in a mean-flow direction relative to a surface of a wall of a body is controlled by generating in the fluid a magnetic field B having flux lines along the...
5320309 Electromagnetic device and method for boundary layer control  
The boundary layer of a fluid travelling in a mean-flow direction relative to a surface of a wall of a body is controlled by generating in a near-wall region of the flow a magnetic field B having...
5263661 Sonic boom attenuator  
The Sonic Boom Attenuator is a device designed for use with supersonic aircraft wherein a laser beam is shone down the leading edge of a short, rigid, straight, thin wing, heating thus rarefying...
3984730 Method and apparatus for neutralizing potentials induced on spacecraft surfaces  
A potential induced on the surface of an orbiting spacecraft is neutralized to the potential of a plasma through which the spacecraft is traveling by directing charged particles into the plasma...
3507348 IONIZING APPARATUS FOR REDUCING AIR RESISTANCE  
3446464 METHOD AND APPARATUS FOR REDUCING SONIC WAVES AND AERODYNAMIC DRAG  
3392941 Magnetohydrodynamic rudder for reentry device  

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