Stories
39,49,73
0
2400
30
News: Energy
Renewable energy comes out of an electricity socket, but to get there it has to travel a long journey – from wind turbines out at sea or regional solar, wind, and biogas power plants. On...
Briefs: Robotics, Automation & Control
Pyrotechnic Actuator for Retracting Tubes Between MSL Subsystems
An apparatus, denoted the “retractuator” (a contraction of “retracting actuator”), was designed to help ensure clean separation between the cruise stage and the entry-vehicle subsystem of the Mars Science Laboratory (MSL) mission. The retractuator or an equivalent mechanism is...
Briefs: Mechanical & Fluid Systems
Strain System for the Motion Base Shuttle Mission Simulator
The Motion Base Shuttle Mission Simulator (MBSMS) Strain System is an innovative engineering tool used to monitor the stresses applied to the MBSMS motion platform tilt pivot frames during motion simulations in real time. The Strain System comprises hardware and software produced by...
Briefs: Mechanical & Fluid Systems
The idea of designing a microfluidic channel to slope upward along the direction of flow of the liquid in the channel has been conceived to help prevent trapping of gas bubbles in...
Briefs: Mechanical & Fluid Systems
Ko Displacement Theory for Structural Shape Predictions
The development of the Ko displacement theory for predictions of structure deformed shapes was motivated in 2003 by the Helios flying wing, which had a 247-ft (75-m) wing span with wingtip deflections reaching 40 ft (12 m). The Helios flying wing failed in midair in June 2003, creating the...
Briefs: Mechanical & Fluid Systems
A proposed apparatus for generating hydrogen by means of chemical reactions of magnesium and magnesium hydride with steam would exploit the same basic principles as those discussed in...
Briefs: Mechanical & Fluid Systems
Some refinements have been conceived for a proposed apparatus that would generate hydrogen (for use in a fuel cell) by means of chemical reactions among magnesium, magnesium hydride,...
Briefs: Mechanical & Fluid Systems
Stacked Corrugated Horn Rings
This Brief describes a method of machining and assembly when the depth of corrugations far exceeds the width and conventional machining is not practical. The horn is divided into easily machined, individual rings with shoulders to control the depth. In this specific instance, each of the corrugations is identical in...
News: Green Design & Manufacturing
Check out the new issue of Lighting Technology for more new feature articles, videos, application stories, tech briefs, products, and more - all on the latest advances in LEDs and...
Briefs: Energy
Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort to...
Articles: Transportation
(Winner of an HP Workstation)
Regenerative Braking Bike Front Wheel
David Swain, Frank Maurer, Jason Moore, and Albert Shih
Ann Arbor, MI
With the push of a button and without...
Articles: Mechanical & Fluid Systems
(Winner of an HP Workstation)
High-Flow Lift Pump
Eric Foy
Central Point, OR
Apump is often needed, particularly in the act of firefighting, to raise water to fill a...
Briefs: Mechanical & Fluid Systems
Use of ILTV Control Laws for LaNCETS Flight Research
A report discusses the Lift and Nozzle Change Effects on Tail Shock (LaNCETS) test to investigate the effects of lift distribution and nozzle-area ratio changes on tail shock strength of an F-15 aircraft. Specific research objectives are to obtain in-flight shock strength for multiple...
Briefs: Mechanical & Fluid Systems
High-Volume Airborne Fluids Handling Technologies To Fight Wildfires
NASA recently partnered with the U.S. Forest Service (USFS) on a project to examine mission suitability and recommend policies and procedures for the use of very large aerial firefighting aircraft such as the Boeing 747 and DC-10 aerial retardant delivery aircraft. The aircraft...
Briefs: Mechanical & Fluid Systems
During the early development stage of balloon deployment systems for missions, nichrome wire cable cutters were often used in place of pyro-actuated cutters. Typically, a nichrome wire is wrapped around a bundle...
Briefs: Mechanical & Fluid Systems
Structures capable of deployment into complex, three-dimensional trusses have well known space technology applications such as the support of spacecraft payloads, communications antennas, radar reflectors, and solar...
Products: Transportation
Allegro MicroSystems (Worcester, MA) offers constant current LED drivers to address requirements of internal and external illumination applications within the automotive market. Allegro’s...
Products: Energy
The infrared DRAGON SFH 4236 from OSRAM Opto Semiconductors (Sunnyvale, CA) is designed for applications that require narrow radiation characteristics from limited board space, namely automotive applications such as...
News: Transportation
Scientists from Rice University and Lockheed Martin have discovered a way to use simple silicon to radically increase the capacity of lithium-ion batteries. The researchers are...
Products: Lighting
ROHM Semiconductor (San Diego, CA) introduces the Model BD8381EFV-M high-brightness LED driver for automotive forward illumination applications. With this flexible IC, designers can specify the same driver...
Briefs: Mechanical & Fluid Systems
Heterodyne Interferometer Angle Metrology
A compact, high-resolution angle measurement instrument has been developed that is based on a heterodyne interferometer. The commonpath heterodyne interferometer metrology is used to measure displacements of a reflective target surface. In the interferometer setup, an optical mask is used to sample the...
Briefs: Mechanical & Fluid Systems
Handling Qualities Prediction of an F-16XL-Based Reduced Sonic Boom Aircraft
A major goal of the Supersonics Project under NASA’s Fundamental Aeronautics program is sonic boom reduction of supersonic aircraft. An important part of this effort is development and validation of sonic boom prediction tools used in aircraft design. NASA Dryden’s...
Briefs: Mechanical & Fluid Systems
A new sampler is similar to a common snow blower, but is robust and effective in sample collection. The brush wheels are arranged in a triangle shape, each driven by a brushless DC motor and planetary gearhead...
Briefs: Mechanical & Fluid Systems
A class of self-adjusting injectors for spraying liquid oxidizers and/or fuels into combustion chambers has been proposed. The proposed injectors were originally intended for use in rocket-engine...
Briefs: Mechanical & Fluid Systems
TRACK is a specialized controller for the All-Terrain Hex-Limbed Extra-Terrestrial Explorer Robot (ATHLETE), which has six limbs with six kinematic degrees of freedom each. TRACK is a...
INSIDER Product: Energy
Linear Technology Corporation (Milpitas, CA) introduces the LTC4098-3.6, an autonomous high efficiency power manager, ideal diode controller, and battery charger for 1-cell Lithium Iron Phosphate batteries used in...
INSIDER: Electronics & Computers
As industries and consumers seek improved battery power sources, a new microscopy technique developed by Oak Ridge National Laboratory (ORNL) researchers is providing a novel...
News: Energy
Purdue University researchers have developed a facility aimed at learning precisely how coal and biomass are broken down in reactors called gasifiers as part of a project to strengthen the scientific...
News: Energy
The era of personalized energy systems — in which individual homes and small businesses produce their own energy for heating, cooling, and powering cars — took...
Top Stories
Blog: Semiconductors & ICs
Revolutionizing the Production of Semiconductor Chips
Blog: Robotics, Automation & Control
Aerial Microrobots That Can Match a Bumblebee's Speed
Blog: Robotics, Automation & Control
Tech Briefs Wrapped 2025: Top 10 Technology Stories
News: Energy
INSIDER: Imaging
A New Tool for Measuring Femtosecond Lasers
Articles: Aerospace
Countering the New Threat from the Sky: Advanced IR Imaging Zoom Lenses...
Webcasts
Upcoming Webinars: Energy
Powering America’s EV Future: Connect, Collaborate, Innovate
Upcoming Webinars: Robotics, Automation & Control
Next-Generation Linear and Rotary Stages: When Ultra Precision...
Upcoming Webinars: Power
Hydrogen Engines Are Heating Up for Heavy Duty
Upcoming Webinars: Automotive
A FREE Two-Day Event Dedicated to Connected Mobility
On-Demand Webinars: Manufacturing & Prototyping
The Real Impact of AR and AI in the Industrial Equipment Industry
Podcasts: Medical
