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Mechanical & Fluid Systems

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Briefs: Mechanical & Fluid Systems
A Method for Accurate Load/Position Control of Rigidly Coupled Electromechanical Actuators

NASA has developed a technique designed to prevent cross-coupling in systems where two or more linear electro-mechanical actuators (EMA) are rigidly...

Briefs: Mechanical & Fluid Systems
Ultralight Self-Deployable Solar Sails

Deployment of large structures such as solar sails relies typically upon electromechanical mechanisms, mechanically expandable or inflatable booms, launch restraints, controls, and other mechanisms that...

Briefs: Mechanical & Fluid Systems
Ultra-Compact Heat Rejection System

Radiator panels are the baseline heat rejection approach for most space systems. This approach is sound, but requires a large amount of surface area to radiate the anticipated heat load. The large panels require...

Briefs: Mechanical & Fluid Systems
Transformable and Reconfigurable Entry, Descent, and Landing Systems and Methods

The Adaptable, Deployable Entry Placement Technology (ADEPT) concept is a mechanically deployable, semi-rigid aeroshell entry system capable of achieving low...

Briefs: Mechanical & Fluid Systems
Multi-Spoked Wheel Assembly

NASA Glenn researchers have developed a spoked drive mechanism for robots and other vehicles that is capable of two rotational modes. This robust ground traction (drive) assembly for remotely controlled vehicles...

Briefs: Mechanical & Fluid Systems
Nanotube-Based Device Cooling System

Carbon nanotubes (CNTs) are being studied for applications in high-strength/low-weight composites and other applications. Recent research on thermal dissipation materials for high-power electronic devices is...

Briefs: Robotics, Automation & Control
Self-Latching Piezocomposite Actuator

Langley Research Center, Hampton, Virginia

NASA’s Langley Research Center has developed a self-latching piezocomposite actuator. The self-latching nature of this invention allows for piezo actuators...

Briefs: Mechanical & Fluid Systems
Active Response Gravity Offload and Method

Lyndon B. Johnson Space Center, Houston, Texas

To train astronauts to live and work in the weightless environment on the International Space Station, NASA employs a number of techniques and...

Briefs: Mechanical & Fluid Systems
Fluid Harmonic Absorber

Marshall Space Flight Center, Alabama

NASA Marshall Space Flight Center’s Fluid Structure Coupling (FSC) technology is a highly efficient and passive method to control the way fluids and structures communicate...

Briefs: Mechanical & Fluid Systems
Variable-Aperture Reciprocating Reed Valve

Marshall Space Flight Center, Alabama

NASA’s Marshall Space Flight Center engineers have developed a new reed valve for controlling fluid flow back and forth between two chambers. The VARR valve...

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