Keyword: Flaps

Briefs: Mechanical & Fluid Systems
This trailing edge flap device reduces noise without compromising cruise efficiency or landing lift and stall characteristics.
Briefs: Mechanical & Fluid Systems
This technique lowers airstream noise generated at the side edges of deployed flaps, elevons, or slats.
Briefs: Mechanical & Fluid Systems

In the early years of manned flight, wing warping was used for lateral control of an aircraft. This technique consisted of a system of pulleys and cables used to twist the trailing edges of the wings in...

Briefs: Aerospace

NASA Langley Research Center has developed two new implementations of acoustic liners for aircraft noise reduction whereby curved channels within tight spaces can be outfitted to provide noise...

Briefs: Aerospace

This technology is a new type of design for the wing flap, aileron, or flaperon located directly behind the engine nozzle on jet aircraft. Using a concave-down curved shape...

Briefs: Aerospace

NASA's Langley Research Center has created a novel process that significantly improves the effectiveness of high-lift devices on aircraft wings by utilizing a hybrid concept...

Briefs: Materials

NASA’s Langley Research Center has developed composite elastic skins for covering shape-changing (morphable) structures. These skins are intended especially for use on advanced aircraft that change shapes in...

Briefs: Aerospace
Autonomous Leading-Edge Slat Device for Reduction of Aeroacoustic Noise Associated with Aircraft Wings

Conventional transport aircraft wing design is driven mainly by cruise efficiency, i.e., adequate lift is generated at high speed for level flight with minimal drag. Conventional high-lift systems (leading edge slats and trailing edge flaps)...

Briefs: Aerospace

Airframe noise is a significant part of the overall noise of typical transport aircraft during the approach and landing phases of flight. Airframe noise reduction...

Briefs: Aerospace
Blended Cutout Flap for Reduction of Jet-Flap Interaction Noise

An aircraft trailing edge device, coupled with an aircraft wing, provides a reduction in jet-flap interaction noise while preserving the aerodynamic load capacity of the trailing edge. Embodiments of the present invention provide a trailing edge flap device that includes a center...

Briefs: Aerospace
Aircraft Wing Flap Noise-Reducing Fins

Two different modifications have been developed for the edges of aircraft wing flaps to reduce noise. Reactive Orthotropic Lattice Diffuser (ROLD) is a modification that consists of a honeycomb-like, interconnected structure added to the region of the flap that experiences the highest degree of...

Briefs: Aerospace
Flap Side Edge Liners for Airframe Noise Reduction

One of the more critical constraints to the continued growth of air traffic is the related concern regarding aircraft noise. This concern has resulted in increasingly stringent noise restrictions for airports, both nationally and internationally. One of the major stretch goals for NASA is to...

Briefs: Manufacturing & Prototyping
Flap Edge Noise Reduction Fins

Aircraft noise is a significant problem with both economic and public health implications, especially for communities near airports. As a result, increasingly stringent constraints are being placed on aircraft carriers worldwide to reduce this noise. The current disclosure focuses on airframe noise generated at or...

Application Briefs: Aerospace
FlexSys
Ann Arbor, MI
734-975-9233
www.flxsys.com

FlexSys designed and built two experimental flaps for Armstrong Flight Research Center’s Gulfstream G-III Aerodynamics...

Briefs: Physical Sciences
Variable Camber Aerodynamic Control Surfaces and Active Wing Shaping Control

A new concept of aircraft aerodynamic control surfaces has been developed in connection with another new concept of active wing shaping control for reducing aircraft drag that will result in less fuel burn. The first concept is referred to as a variable camber...

Briefs: Software
PLOT3D Export Tool for Tecplot

The PLOT3D export tool for Tecplot solves the problem of modified data being impossible to output for use by another computational science solver. The PLOT3D Exporter add-on enables the use of the most commonly available visualization tools to engineers for output of a standard format. The exportation of PLOT3D...

Briefs: Mechanical & Fluid Systems

A simple design concept for check valves has been adopted for microfluidic devices that consist mostly of (1) deformable fluorocarbon polymer membranes sandwiched between (2) borosilicate float...

Briefs: Mechanical & Fluid Systems

A passive porous treatment has been proposed as a means of suppressing noise generated by the airflow around the side edges of partial-span flaps on airplane wings when the flaps are...

Briefs: Materials

Composite elastic skins having tailorable mechanical properties have been invented for covering shape-changing ("morphable") structures. These skins are intended especially for use on...

Briefs: Mechanical & Fluid Systems

The measurement of local flow angle is critical in many fluid-dynamic applications, including the aerodynamic flight testing of new aircraft and flight systems. Flight researchers at NASA Dryden...

Briefs: Mechanical & Fluid Systems

A small robot that travels by hopping has been built and tested. This is a prototype of hopping robots that would carry video cameras and possibly other sensory devices and that are under consideration for...

Briefs: Mechanical & Fluid Systems

Flight data gathered by use of the F-18 System Research Aircraft (SRA) based at Dryden Flight Research Center have been used to estimate stability and control derivatives for a baseline F-18 airplane....

Briefs: Motion Control

Tip fences have been invented to reduce the noise generated in the airflows about the high-lift systems (the flaps and slats) of airplane wings. Tip fences also afford an important...

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