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7572189 |
Structure for raising persons by means of an air flow
A structure used to raise persons by use of air jets (currents), includes several flight positions ( 3 ). Each flight position is associated with a device ( 1 ) that generates a vertical air flow,...
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7513146 |
Vehicle wind tunnel balance
A vehicle supporting platform can be supported at plural locations (e.g., four locations) from below such that the platform can pivot fore to aft and side to side in response to the impact of wind...
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7509851 |
Plasma arcjet tunnel segments and method of making same
A plasma heated arcjet wind tunnel is provided with tunnel segments in the arc-constrictor. The tunnel segments are fabricated of two concentric discs, an outer disc and an inner disc, with a...
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7401505 |
Low cost wind tunnel for supersonic and hypersonic aerothermal testing
The invention disclosed herein provides a subsonic wind tunnel capable for accurately maintaining a desired Mach number, pressure and temperature for use in aerothermal testing of materials. The...
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7340948 |
System for sealing variable gaps for scale models tested in an aerodynamic tunnel
The System for sealing for variable spaces comprising sealing means ( 3 ) for at least partially packing a space ( 4 ) between two pieces ( 1, 2 ) of a model, characterised in that at least a first...
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7310998 |
Method and device for improving accuracy of wind tunnel measurements, particularly for correcting the influence of a mounting device
A method for improving the precision of wind tunnel measurements provides a correction to reduce the influence of a suspension device. A model, such as an aircraft model, is held by the suspension...
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7305870 |
Apparatus for testing a moving vehicle
An apparatus and method is provided for testing at least one performance characteristic of a vehicle.
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7302839 |
Method and system for gathering pressure signature data using a scaled model in a wind tunnel
Disclosed is a method of and system for gathering off-body pressure signature data from a scaled model in a wind tunnel. The data is gathered using a probe having multiple longitudinally disposed...
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7302838 |
System and method for closed loop control of boundary layer shear stress
A system is provided for controlling boundary layer shear stress adjacent a surface over which a fluid stream has been established. The system comprises a boundary layer control device adapted for...
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7263879 |
Method for wind-noise testing of an automobile
A method for wind-noise testing of an automobile in a wind tunnel is disclosed. The method includes measuring wind-noise generated by the automobile in a first condition. The first condition is the...
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7254998 |
Method for determining drag characteristics of aircraft and system for performing the method
A method for designing aircraft including providing a model of the aircraft and a plurality of sensors mounted on the model. The method further includes positioning the aircraft model in a fluid...
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7249614 |
Structure and method for improving flow uniformity and reducing turbulence
A structure for reducing turbulence and increasing flow uniformity in a flowing fluid in a wind tunnel, or a fluid channel, has a plurality of conduits or channels arranged into a conduit bundle....
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7240544 |
Aerodynamic noise source measurement system for a motor vehicle
An aerodynamic noise measurement system for a vehicle uses sound reflectors to determine the sound wave propagation of aerodynamic noise of the vehicle. The vehicle is placed within a test section...
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7237434 |
Slotted damping section for aerodynamic wind tunnel
A damping section, for an aerodynamic wind tunnel having a test section defined by a nozzle mouth at an upstream end and a collector mouth at a downstream end, is adapted to conform to a perimeter...
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7155966 |
Wind shear inducing soil stability measuring device
An apparatus for measuring soil stability of a test surface comprising a housing defining an interior chamber, the housing having an open bottom wherein the housing is configured to be placed over...
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7150427 |
Boundary layer transition model
In the computational fluid dynamics analysis of airfoils, a laminar/turbulent transition location is determined by consideration of a turbulence length scale in addition to a turbulence intensity....
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7140744 |
Lamp assembly for a pressure sensitive paint measuring system
A lamp assembly for use in a pressure sensitive paint measuring system, such as for measuring pressure on a test air vehicle using pressure sensitive paint, is constructed and configured to provide...
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7131319 |
Method and apparatus for testing a moving vehicle
An apparatus and method is provided for testing at least one performance characteristic of a vehicle.
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7127942 |
Wind tunnel testing
A wind tunnel model for wind tunnel testing having an additional mass mounted on the model via vibration absorbing material to dampen model vibration.
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7107831 |
Vehicle wind tunnel method and apparatus
A wind tunnel for measuring the aerodynamics of a vehicle may comprise a test section. Air moving through the test section may be collected in a plurality of individual ducts, each with a fan for...
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7082388 |
Flutter test model
A flutter test model is provided that utilizes a novel approach for fixing wing elements to an elastic spar, resulting in reduced airflow disturbance. A test wing has an elastic spar that simulates...
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7059178 |
Device for measuring a tire pressure
The invention relates to a device for measuring a tire pressure of a tire arranged on a rim ( 10 ), having a tire valve ( 14 ) arranged in a bore ( 12 ) in the rim ( 10 ), and a tire pressure...
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7051586 |
Method for determining aerodynamic parameters and method for detecting failure of a probe used for determining aerodynamic parameters
The invention pertains to a process for determining aerodynamic parameters of an airflow surrounding an aircraft. On the basis of at least two probes situated on the skin of the aircraft, each...
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7036361 |
Method and device for checking the air noise of a motor vehicle
A method is used for checking the air noise of a motor vehicle, particularly of a passenger car, which air noise is generated by air flowing onto an outer skin of a vehicle body of the passenger...
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7028542 |
Reduced drag cable for use in wind tunnels and other locations
A reduced drag cable for use in vertical wind tunnels and other applications with a change in the spacing and/or size of the strands of a standard twisted wire cable is disclosed. The perimeter...
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7024929 |
Flow stabilizer for flow bench
Apparatus and methods for airflow testing, especially for air testing of gas turbine components on an airflow test bench. Various embodiments of the present invention include the use of a...
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6997049 |
Wind tunnel and collector configuration therefor
An open jet wind tunnel having a test section, a nozzle exit and a collector in which the leading edge of the collector is configured with at least a portion being non-uniformly spaced from the...
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6963810 |
Method and system for locating critical flow feature indicators in three dimensional flow regimes
A method for locating two dimensional critical flow features on a surface of a three dimensional body immersed in a fluid stream is presented. The method includes applying a hot film sensor array...
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6962076 |
Positioning system for wind tunnel and method of use
A positioning system is provided for use in a wind tunnel that results in accurate and dynamic orientation for a model while reducing aerodynamic interference. The system includes a pitch-yaw...
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6923051 |
Flow vector analyzer for flow bench
Apparatus and methods for airflow testing, especially for air testing of gas turbine components on an airflow test bench. Various embodiments of the present invention include the use of a...
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6826493 |
System and method for real time determination of unsteady aerodynamic loads
A method is provided for determining a load on an object immersed in a fluid stream under a set of flow and attitude conditions associated with unsteady flow phenomena. The method comprises...
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6820477 |
Vehicle wind tunnel method and apparatus
A wind tunnel for measuring the aerodynamics of a vehicle may comprise a test section. Air moving through the test section may be collected in a plurality of individual ducts, each with a fan for...
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6805558 |
Free fall and game simulator
A multi faceted system for simulating free flight, playing games in a free flight mode, and photographing the experience in a manner which permits of the creation of a montage, in which a vertical...
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6796171 |
Rapid prototype wind tunnel model and method of making same
A wind tunnel model design employs a reinforcing strongback 10, made of a rigid material, for receiving a balance 12. At least one jacket section 14, made of a rapid prototype (RP) material,...
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6752563 |
Covered highway structure with means for easy and quick access to tunnel interior
An improved tunnel or covered highway structure with means for easy and quick access to the interior. The structure includes a wind tunnel built over a highway and a wind deflector slab provided...
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6732579 |
Turbulent boundary layer thickness estimation method and apparatus
A method and apparatus are presented for determining turbulent boundary layer thickness. In this method and apparatus, a pair of sensors are mounted to a solid surface interfacing with a fluid at...
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6725912 |
Wind tunnel and heat exchanger therefor
A wind tunnel and a heat exchanger for use in the wind tunnel. The heat exchanger is a plate-fin type heat exchanger having at least one heat exchanger unit with an inflow end and an outflow end,...
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6705937 |
Airflow capture booth with single-plate windbreak
The present invention discloses an airflow capture booth with single-plate windbreak comprising an extracting means for extracting polluted air having an opening for air contamination extracting...
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6694808 |
Method and apparatus for reducing pressure fluctuations in supersonic wind tunnel circuit
The operating efficiency of a compressor in the range of low Mach numbers at a supersonic wind tunnel test section (for which a considerable flow rate is required) is emphasized, and a design is...
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6668638 |
Active vortex control with moveable jet
In a method of controlling vortex breakdown on an aerodynamic surface, a vortex generated by the aerodynamic surface is continually monitored to identify a non-linear region where vortex breakdown...
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6615652 |
Method and device for precisely positioning a vehicle in a wind tunnel
A method for the accurate positioning of a vehicle to be examined aerodynamically in a measurement position in a wind tunnel, in which it assumes an accurately predefined relative position in...
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6588287 |
Multiple stage system for aerodynamic testing of a vehicle on a static surface and related method
A system for aerodynamically testing a vehicle having a front pair of wheels and a rear pair of wheels includes a surface for statically supporting the vehicle. The system additionally includes a...
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6571618 |
Support device for a motorized flying instrument in a wind tunnel
A device supports a motorized flying instrument in a wind tunnel. To carry out tests in a wind tunnel on a motorized flying instrument ( 10 ), with the motor on, under different attitudes hands...
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6564626 |
Apparatus and method for measuring forces and moments acting on models tested in aerodynamic wind tunnels
A simultaneous measurement of small displacements, from which forces, moments, pressures, and other physical quantities can be determined, with a high degree of precision and accuracy. A computer...
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6553823 |
Model for wind tunnel test
A model for a wind tunnel test fabricated at a low cost, in which a plurality of small bores opening on a surface of a wing and a plurality of passages permitting the small bores to communicate...
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6553822 |
Liquid volume measurement
A measuring apparatus for measuring the volume of a contained fluid includes an exposure chamber adapted for exposure to head volume of a volume of the contained fluid. A displacement mechanism is...
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6550332 |
Real-time noise source visualizing system using acoustic mirror
Disclosed is a noise source visualizing system used in a wind tunnel test to measure generated sounds, the system comprising an acoustic mirror for converging sound waves of sounds generated on a...
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6505508 |
Apparatus for detecting turbulent layer
A turbulent layer detecting apparatus in accordance with the present invention is equipped with a transmitting section that transmits beams of electromagnetic waves, sound waves or light waves into...
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6496252 |
Differential-tilt rytov parameter monitor for atmospheric turbulence
An optical configuration and related analysis techniques are presented that provide a practical method for determining the Rytov parameter based on the difference of variances for the differential...
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6470740 |
Low speed wind tunnel with adjustable moving boundary
A low speed wind tunnel with an adjustable moving boundary is disclosed. The wind tunnel comprises a wind tunnel test section having at least one movable wall installed therein. The movable wall is...
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