Keyword: Engine mechanical components

Briefs: Mechanical & Fluid Systems

The largest supersonic parachute ever developed is one of the test articles on the Supersonic Flight Dynamics Test (SFDT) vehicle of the Low Density Supersonic Decelerator (LDSD)...

Briefs: Propulsion
Regeneratively Cooled Porous Media Jacket

A non-toxic nitrous oxide fuel blend (NOFB) monopropellant with a high adiabatic flame temperature reaching and probably exceeding 3,450 K and a very high thermal decomposition limit (>390 °C) is under development. To design an optimal rocket engine that can handle the high adiabatic temperature...

Briefs: Manufacturing & Prototyping
Method for Insertion of Carbon Fiber Through the Thickness of Dense Dry Fiber Preform

Creation of a structural joint for a heat shield for extreme entry environments requires structural fibers penetrating through the thickness of the shield at joint locations. The structural fibers must be made of carbon to withstand extremely high temperatures,...

Briefs: Mechanical & Fluid Systems

Multipath, multistage, erosion-resistant flow control valves have been developed that can sustain the extremely high pressure of deep oil wells. Fitting in the...

Briefs: Mechanical & Fluid Systems
Piezoelectric-Actuated Cryogenic Thermodynamic Vent Valve

Cryogenic fluid control valves require actuation that controls the geometric position of the orifice in a thermally stable manner. Traditional actuator devices may have various materials used in their construction that have varying CTEs (coefficients of thermal expansion) and therefore...

Briefs: Mechanical & Fluid Systems
Precise Direct Control of Pressure or Vacuum Using a Digitally Controlled Actuator

A closed/semi-open pressure or vacuum system uses an electric screw mechanical actuator that can be digitally controlled and monitored, and which receives feedback directly from an external or internal source. This innovation can adjust for media temperature...

Articles: Aerospace

Combustion instability in solid rocket motors and liquid engines is a complication that continues to plague designers and engineers. Many rocket systems...

Briefs: Medical
Polymerase Chain Reaction Preparation Kit and Self-Enclosed, Pipette-Free DNA/RNA Isolation Device

The ability to monitor and detect microorganism contamination/infection is important for long space voyages, in order to maintain a clean environment not only for the health of the astronauts, but also for electronics and structural materials....

Briefs: Sensors/Data Acquisition

Position feedback sensors for hydraulic or pneumatic cylinders have used one of three traditional technologies: magnetostrictive, variable resistance, and variable inductance. As the...

Briefs: Materials

NASA vehicles using cryogenic propellants and systems need improved cryogenic storage and transfer, including insulation for cryogenic transfer/feed lines....

Briefs: Robotics, Automation & Control

Preliminary data was recently provided for a reaction sphere prototype on NASA’s zero-gravity parabolic flight vehicle. Gyroscope telemetry indicates that reaction spheres were...

Briefs: Mechanical & Fluid Systems

A component-level DC transformer was developed in which no alternating currents or voltages are present. It operates by combining features of a homopolar motor and a homopolar generator, both DC devices, such that the output...

Application Briefs: Aerospace
Servo motors
MICROMO (the FAULHABER Group)
Clearwater, FL
800-807-9166
www.micromo.com

Space Exploration Technologies (SpaceX) builds economical launch vehicles like...

Briefs: Imaging
Cameras for All-Sky Meteor Surveillance (CAMS) Version 1.3

The CAMS system comprises a deployment of multiple narrow-field, low-light video cameras that completely covers the sky in a mosaic pattern from 30° elevation and above. Two or three such camera batteries separated by many kilometers allow for large atmospheric volume coverage, high...

Briefs: Sensors/Data Acquisition

Solar-array panels will experience very low temperatures of 50 K for the proposed Europa Clipper Mission (ECM). Solar-array panels will also...

Briefs: Electronics & Computers
NASA Flywheel for iPad

NASA Flywheel is an augmented reality application intended to highlight NASA Glenn’s research efforts in the area of flywheel energy storage systems. The app utilizes a printed optical target, available on the GRC Flywheel Program brochure and through the NASA Glenn Web portal, to present users with 3D views of flywheel...

Briefs: Information Technology
CT-CURS: Computed Tomography Cylinder Data Unwrapping-Reslicing & Analysis,

The software for NASA’s Northstar Systems computed tomography (CT) and Picometrix Terahertz CT systems do not have the ability to unwrap and reslice cylindrical CT data to allow top-to-bottom, 2D sheet views of the data. Therefore, it is difficult to size flaws...

Articles: Motion Control

Over the past several years, controls engineers have become adept at applying control systems to machine safety applications. The issue is that safety is a moving target....

Briefs: Sensors/Data Acquisition
Load-Indicating Sensor for Lines and Cords

During the development of parachute systems, it is desirable to size the lines correctly, and to pack and deploy the parachute in a manner that produces uniform loading among the lines. Analytical methods would greatly reduce the cost of development; however, test verification is essential. This is...

Articles: Aerospace

Streamlined aircraft bodies, quieter jet engines, techniques for preventing icing, drag-reducing winglets, lightweight composite structures, and so much more are an everyday part of flying...

Briefs: Test & Measurement

Data acquisition plays a critical role in improving vehicle component performance and overall system reliability. Measuring engine parameters, including...

Briefs: Information Technology

A lake and shore sampling and sample distribution system was developed for a Titan lake environment (93.7 K, in liquid hydrocarbons). The Titan Lake and Shore Sampler (TLASS) would enable the chemical analysis of...

Briefs: Mechanical & Fluid Systems

Various applications exist where high-pressure valves are required, but the problem for control of such valves lies in that they have to move against a strong...

Articles: Manufacturing & Prototyping

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial...

Briefs: Mechanical & Fluid Systems

Very few industries are as affected by strict test standards as the automotive sector. Nearly every automobile component (engine parts, accelerators, clutches,...

Briefs: Medical

The innovation consists of a method for fabricating containers (“biocapsules”) made of biocompatible mesh for holding living cells and...

Articles: Robotics, Automation & Control

Some machine processes, such as presses, can require extreme accuracy in applying and holding force on an object. A popular way to measure force is via load cells. But what do you do when...

Briefs: Information Technology

Ultra-thin-wall metallic cylinders are extremely difficult to analyze for flaws from top-view X-ray computed tomography (CT) slices and...

Briefs: Physical Sciences
Internalization of Non-Spherical Particles

This invention specifically relates to an interchangeable sleeve that encompasses a rotating, substantially cylindrical bioreactor. The sleeve supplies a time-varying electromagnetic force of from 0.05 to 0.5 gauss to the culture chamber of the bioreactor in order to increase cell growth and...