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Briefs: Test & Measurement
Dual-Cavity Rayleigh Scattering Measurement System

Molecular-based optical diagnostics techniques capable of obtaining simultaneous measurements of multiple fluid properties are critically important for characterizing hypersonic air-breathing engines, such as scramjet engines and scramjet-rocket combined cycle engines. Correlations between those...

Briefs: Aerospace
Miniature Laser Magnetometer

Space missions using magnetometers have been very successful. However, science missions now require higher levels of accuracy and stability in order to refine existing understanding and improve modeling. In most space missions that require high-accuracy vector measurement of magnetic fields, a separate scalar...

Briefs: Test & Measurement
Cryogenic Slosh Apparatus

Commercially available components are integrated into an assembly that can be used to measure the slosh dynamics of cryogenic liquids. The apparatus consists of a linear motion table that is properly instrumented to record high fidelity position, force, and acceleration measurements of all linear and rotation responses...

Briefs: Test & Measurement
Negative-Ion Time Projection Chamber Polarimeter for Measuring Polarization of Bright Transient Astrophysical Sources

A negative ion time projection chamber (NI-TPC) was developed that is suitable for measuring the polarization of bright transient events. The polarization of the astrophysical source is determined by imaging photoelectron tracks...

Briefs: Software
A Large-Eddy Simulation Model of the Atmospheric Boundary Layer

The atmospheric boundary layer is the lowermost layer of the atmosphere and is host to a plethora of physical processes that significantly affect weather, climate, and air quality. In many applications, detailed information about the boundary layer is required at high temporal and...

Briefs: Physical Sciences
Hydrogen Peroxide for Microbial Growth Control in Space Potable Water Systems

NASA uses a biocide to prevent contamination of astronaut drinking water with harmful microorganisms. Concerns have arisen over existing biocides — that they’re inadequately effective, and may have toxic side effects when consumed. New microbial control methods are...

Briefs: Green Design & Manufacturing
Method of Water Regeneration From Waste and Cascade Distillation

Effective recovery of potable water from various streams and sources of wastewater, seawater, or contaminated water is a significant task for securing existence of human beings in space, terrestrial, and marine environments. Efficient purification of the wastewater is also a very...

Briefs: Green Design & Manufacturing

The U.S. National Research Council recently identified the need for a near-term space mission of Active Sensing of CO2 Emissions over Nights, Days,...

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Briefs: Motion Control

Conventional piezoelectric materials, such as PZTs, have reasonably high electromechanical coupling over 70%, and excellent performance at room temperature. However, their coupling factor...

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Briefs: Software
Advanced Rolling Mechanics Analysis (AROMA) 1.0

AROMA uses a boundary-element formulation to calculate normal and shear pressure distributions and sub-surface stresses for elastic bodies in contact. In addition to handling static normal and sheer loading, it also solves the contact problem for rolling elements such as bearings, traction drives,...

Briefs: Motion Control

Voltage glitches are common in a signal chain path, especially when the system is being powered up or down. Depending on the peak amplitude and glitch duration, the end result in the system...

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Products: Motion Control

POSITAL (Hamilton, NJ) introduced new models of IXARC magnetic encoders that combine incremental and absolute rotation measurement capabilities in a single, compact package. Absolute encoders provide a control system with a...

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Products: Mechanical & Fluid Systems

GAM (Mount Prospect, IL) offers the SPH inline planetary gearbox with helical gears for dynamic and cyclic applications, as well highspeed and continuous duty applications. It is available in six frame sizes with nominal...

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Products: Robotics, Automation & Control

U.S. Tsubaki Power Transmission, LLC (Wheeling, IL) announced Cam Clutch unidirectional/ mechanical clutches that lock the inner and outer races through the locking action of cams, transmitting torque in one direction of rotation...

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Products: Electronics & Computers

Heidenhain (Schaumburg, IL) offers ETEL ILF and ILM series ironless high-speed linear motors for use in the semiconductor and electronics industry. The motors utilize an ironfree coil design for zero-attraction force between...

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Products: Mechanical & Fluid Systems

SMAC (Carlsbad, CA) introduced the CBL50 electric cylinder designed to achieve peak force of 50N at 2 Amp current, and acceleration up to 40G. It features carriage-free design and built-in linear bearings. It is available...

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Products: Motion Control

The Drives & Motion Division of Yaskawa America (Waukegan, IL) released the iQpump Micro intelligent pump drive for variable-torque pump loads through 25 HP. It is available in NEMA 1 and NEMA 4X rated models. A variety of...

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Products: Motion Control

Optimal Engineering Systems (Van Nuys, CA) released low-profile XYθ (theta) stages that move in an XY-plane and rotate around the center of the XY-plane. Available in 12 models in two precision grades, the stages have linear travels...

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Products: Manufacturing & Prototyping

Aerotech (Pittsburgh, PA) offers the QNP-XY series piezo nanopositioning stages with resolution to 0.15 nm, linearity to 0.007%, and repeatability to 2 nm. The stages provide a variety of travel lengths (100 μm to 600...

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Products: Manufacturing & Prototyping

C-Flex Bearing Co. (Frankfort, NY) offers a Super Plastic torsional damping coupling that stabilizes high-precision systems by dampening transient torque variations. The patented design offers high-torque loads with zero backlash...

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Products: Motion Control

The DPFlex™ II digital, sensorless, brushless motor drive series from Allied Motion (Amherst, NY) offers speed capability to 150,000 RPM, the ability to drive lower-impedance motors, and software settable rotation...

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Products: Robotics, Automation & Control

The QC-160 Robotic Tool Changer from ATI Industrial Automation (Apex, NC) has a high moment capacity in a lightweight design, and features internal lock/unlock sensing and five 3/8 NPT and four ½ NPT pass-through air...

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Products: Motion Control

UniSlide assemblies from Velmex (Bloomfield, NY) deliver movement in one, two, or three dimensions with linear motion. The systems also can be customized for specific requirements. They are compact, and the design...

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INSIDER: Motion Control

NASA’s Leading Edge Asynchronous Propeller Technology (LEAPTech) project will test the premise that tighter propulsion-airframe integration, made possible with electric power, will deliver...

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INSIDER: Software

Large wind turbine blades disturb the wind, creating a wake behind them and reducing the energy harvest of any downwind turbines. A turbine sitting in the slipstream of another can...

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INSIDER: Motion Control

NASA has tested the attitude control motor of the Orion Launch Abort System (LAS) to prove that its material can survive not only the intense temperatures, pressures, noise, and...

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INSIDER: Energy
Researchers Turn Packing Peanuts into Battery Parts

While setting up their new lab, Purdue University researchers ended up with piles of packing peanuts. Professor Vilas Pol suggested an environmentally friendly way to reuse the waste.

INSIDER: Test & Measurement

Michigan State University researchers have developed a technology that allows sensing, communication, and diagnostic computing — all within the building material of a structure.

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Question of the Week
Will self-driving cars be ready for the road this summer?

This week's Question: Last week, Elon Musk, chief executive of Tesla, said that the electric car maker would introduce autonomous technology, an autopilot mode, by this summer; the technology will allow drivers to have their vehicles take control on major roads and highways. The CEO also...

Webcasts

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On-Demand Webinars: Defense

From Data to Decision: How AI Enhances Warfighter Readiness

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Upcoming Webinars: Aerospace

April Battery & Electrification Summit

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Upcoming Webinars: Manufacturing & Prototyping

Tech Update: 3D Printing for Transportation in 2024

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Upcoming Webinars: Materials

Unleashing Epoxy's Potential: Ensuring Hermetic Sealing in Modern...

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Upcoming Webinars: Test & Measurement

Building an Automotive EMC Test Plan

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Upcoming Webinars: Aerospace

The Moon and Beyond from a Thermal Perspective

Videos