Briefs: Propulsion
This technology is based on a model-scale experiment simulating a test facility where an engine exhaust is discharged into a duct....
INSIDER: Motion Control
Magnetic gears transmit rotary motion like mechanical gears but instead of teeth they use magnetic attraction and repulsion between rotating magnets. Magnetic gears have several advantages...
INSIDER: Mechanical & Fluid Systems
According to the World Economic Forum’s Global Risks Report, lack of access to safe, clean water is the biggest risk to society over the coming decade. A new graphene-based filter built by...
Who's Who: Propulsion
Jim Heidmann, Project Manager for NASA’s Advanced Air Transport Technology Project, and Jason Welstead, Aerospace Engineer
Jim Heidmann of Glenn Research Center (Cleveland, OH) and Jason Welstead of Langley Research Center (Hampton, VA) have led NASA efforts to develop all-electric and hybrid-electric designs for large passenger aircraft....
INSIDER: Mechanical & Fluid Systems
Nanoparticles can be found in everything from drug-delivery formulations to high-definition televisions. They’re also expensive and a pain to make. Researchers at USC have created a...
INSIDER: Manufacturing & Prototyping
NASA’s Ice, Cloud and land Elevation Satellite-2 (ICESat-2) will carry an electrostatically dissipative Fused Deposition Modeling (FDM), or “strand-based,” 3D printed part made...
INSIDER: Test & Measurement
UC Berkeley scientists released a free Android app that taps a smartphone’s ability to record ground shaking from an earthquake, with the goal of creating a worldwide seismic...
R&D: Aerospace
A team of Northwestern researchers has created a new way to print three-dimensional metallic objects using rust and metal powders.
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: Mechanical & Fluid Systems
Solar sail technology depends heavily on the total surface area of the sail. In other words, minimizing mass and volume of its support structure is the main objective,...
Briefs: Mechanical & Fluid Systems
Cantera Integration with T-MATS
The Toolbox for the Modeling and Analysis of Thermodynamic Systems (TMATS) software package is a library of building blocks that can be assembled to represent any thermodynamic system in the Simulink® (MathWorks, Inc.) environment. These elements, along with a Newton Raphson solver (also provided as part of the...
Briefs: Mechanical & Fluid Systems
Rocket Sled Parachute Design Verification
Historically, parachutes have been load-tested by various methods including release from an aircraft, deploying in a wind tunnel, dragging through water, and shooting out of an air cannon. Each type of testing has its own advantages and drawbacks. Due to the loading mechanics particular to parachutes...
Briefs: Aerospace
Reynolds-Averaged Navier-Stokes Integration for Shock Noise (RISN)
Reynolds-averaged Navier-Stokes (RANS) Integration for Shock- Noise (RISN) is a computer program that evaluates acoustic analogies to predict jet noise. Jet noise is due to turbulence from the chaotic flow within the exhaust of a rocket or air-breathing jet engine. The source of...
Briefs: Aerospace
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: Aerospace
Multi-Pulse Motor (MPM) Designed for Use with Electric Solid Propellants
The multi-pulse motor is a solid-propellant rocket motor that is able to produce a number of pulses for various thrust levels (5 to 30 pulses and thrusts between 0.25 and 1.5 N, depending on electric power delivery system) and can be turned on and off through the...
Briefs: Aerospace
Adaptive Augmenting Control
Adaptive augmenting control (AAC) is a forward gain, multiplicative adaptive algorithm for launch vehicle flight control that meets three summary-level design objectives: Do no harm — return to baseline control design when not needed; respond to errors in the ability of the vehicle to track commands to increase...
News: Transportation
Two new systems for driverless cars can identify a user’s location and orientation in places where GPS does not function, and identify the various components of a road...
INSIDER: Mechanical & Fluid Systems
The James Webb Space Telescope team is installing telescope mirror segments using a high-precision robotic arm. To precisely install the segments, the robotic arm can move in six...
INSIDER: Motion Control
A new soft robotic gripper made out of rubber and stretchable electrodes can bend and pick up delicate objects like eggs and paper. It uses electroadhesion – flexible electrode flaps that...
INSIDER: Robotics, Automation & Control
An artificial intelligence algorithm was developed that greatly increases accuracy in diagnosing the health of complex mechanical systems. Typical vibration analysis searches for...
INSIDER: Manufacturing & Prototyping
UC Berkeley biologists have found robotic inspiration in the creepy ability of cockroaches to squeeze through even the tiniest crack.
INSIDER: Mechanical & Fluid Systems
Slated for launch in 2018, NASA’s Ice, Cloud and land Elevation Satellite-2 (ICESat-2) will carry a 3D-printed part made of polyetherketoneketone (PEKK), a material that has never been...
Briefs: Mechanical & Fluid Systems
NEO Hunter Seeker Micro-Spacecraft and Mission Concept
The area of research known as “Planetary Defense” is largely concerned with identifying and tracking asteroids that could impact Earth. The vast majority of asteroids that pose such a risk are known as “Near Earth Asteroids/Objects” or NEAs and NEOs. Some of them are unknown,...
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
The current coring bit and percussive drilling style works very well for strong rocks; however, when coring into weak, crumbling rock, the core tends to break apart and simply...
Briefs: Mechanical & Fluid Systems
The amine swingbed was in development for incorporation into Orion’s environmental control and life support system to remove metabolic carbon dioxide and humidity from the crew atmosphere. The compact, low-power...
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
Decelerator System Simulation (DSS)
The Crew Exploration Vehicle Parachute Assembly System (CPAS) project conducts computer simulations to verify that requirements on flight performance, parachute loads, and terminal rate of descent are met. The objective of this work was to obtain a high-fidelity simulation of Orion crew capsule flight test...
INSIDER: Energy
Biological systems are known to convert energy generated from the evaporation of water confined within nanoscale compartments into muscle-like mechanical work in response to changes in...
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Webcasts
On-Demand Webinars: Defense
From Data to Decision: How AI Enhances Warfighter Readiness
Upcoming Webinars: Aerospace
April Battery & Electrification Summit
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Tech Update: 3D Printing for Transportation in 2024
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Unleashing Epoxy's Potential: Ensuring Hermetic Sealing in Modern...
Upcoming Webinars: Test & Measurement
Building an Automotive EMC Test Plan