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Technology Report
Energy

BMW Plans Move to Structural Battery Packs and ‘46120’ Cells

The technology below the smooth skin of BMW’s i Vision Dee concept car, unveiled at CES 2023, marks a major step forward in the company’s electric-vehicle...

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Briefs
Photonics/Optics

MOVPE Growth of LWIR AlInAs/GaInAs/InP Quantum Cascade Lasers: Impact of Growth and Material Quality on Laser Performance

Quantum cascade lasers are compact coherent optical sources that emit over a wide wavelength range in the mid- to long-infrared as well as into part of the terahertz spectrum.

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Briefs
Energy

Biobased Carbon Fibers and Thermosetting Resins for Use in DOD Composites Applications

The aim was to use renewable resources derived from plants and other sources to prepare high-performance carbon fiber and thermosetting matrix resins with high strength and high thermal resistance.

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Briefs
Materials

Hierarchical Diamond-Based Ceramic Composites

This research developed and utilized advanced processing, modeling, and micromechanical tools.

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Briefs
Manufacturing & Prototyping

Additive Manufacturing Utilizing a Novel In-Line Mixing System for Design of Functionally Graded Ceramic Composites

Exploring the development of a direct ink writing system with multimaterial and in-line mixing capabilities for printing inks composed of high solids-loaded ceramic particulate suspensions.

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Briefs
Weapons Systems

Advanced Airborne Defensive Laser for Incorporation on Strike Fighter Aircraft

Short-range missiles pose a significant threat to U.S. strike fighters.

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Technology Report
Automotive

Valve Cuts NVH in GDI Engines

When an automotive manufacturer struggled with the release of a new fuel-injection engine technology, the company required an immediate solution.

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News
Manufacturing & Prototyping

A New A/C Refrigerant Joins the Global Warming Fight

A tri-part blend refrigerant, R-456A, has been introduced as a service replacement for the original refrigerant in R-134a automotive air conditioning systems.

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News
Regulations/Standards

Environmental Testing Preps for Tighter Regulations

Most engineers are used to the steady winds of change in refrigerant regulations as global agreements lead to new standards from the U.S. EPA and its counterparts in Europe and Asia....

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News
Energy

Williams Debuts New Flexible Platform for BEVs and FCVs

Williams Advanced Engineering (WAE) has unveiled its latest product, the EVR electric vehicle platform. It has been designed to provide an accelerated start to a high-performance...

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Briefs
Medical

Oximeter Headband Initial Characterization Test on Form, Fit, and Function

The oximeter headband system consists of a custom-made, textile-based headband. It is a noninvasive, non-subcutaneous, and non-radiation-harming device that only maintains surface contact with the skin.

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Briefs
Defense

Optimal UAS Assignments and Trajectories for Persistent Surveillance and Data Collection from a Wireless Sensor Network

To meet the DoD’s vision for future UAS capabilities and lower manpower costs, systems incorporating UAS and standoff components are needed.

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Briefs
Aerospace

R/V Athena Model (5365) Response in Waves

A better physical understanding of the dynamic response of high-speed craft in seas would allow for increased structural optimization.

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Briefs
Test & Measurement

Laboratory Test Requirements for Marine Shock Isolation Seats

This research provides preliminary guidance for laboratory testing of marine shock isolation seats.

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Briefs
Data Acquisition

In-situ Atmospheric Intelligence for Hybrid Power Grids: Volume 2 (Automated Data Flow Tests)

To achieve dominance within the future battlespace, energy flow characterizations of individual platforms and the aggregate battlespace must be developed with respect to the variable operating conditions.

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News
Power

Tula’s DMD Promises Gains in EV Efficiency

Nestled in San Jose, California just south of the San Francisco Bay, the small but mighty team at Tula Technologies continues to develop advancements for optimizing the efficiency of ICE and...

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Briefs
Photonics/Optics

Coherent, Efficient and Practical Polariton Lasers Using a Designable Cavity

This research demonstrates for the first time a polariton laser with coherence reaching the intrinsic limit of single-mode matter-wave lasers.

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Briefs
Defense

Navy Lasers, Railgun, and Hypervelocity Projectile: Background and Issues for Congress

Two key limitations that Navy surface ships currently have in defending themselves against ASCMs and ASBMs are limited depth of magazine and unfavorable cost exchange ratios.

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Briefs
Photonics/Optics

Modeling Optical Time and Frequency Generation and Transfer Systems

The research was closely tied to work that was led by Nathan Newbury at NIST, and the principal goal was to support the development of advanced laser sources.

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Briefs
Photonics/Optics

On the Pulsed Laser Ablation of Metals and Semiconductors

The fundamental goal of this research is to build from a broad set of experimental and theoretical data to a narrower set of scaling relations, heuristics, and trends that provide a roadmap for understanding laser ablation across relevant regimes.

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Technology Report
Manned Systems

New Chemistry Aims to Slash Fuel-Cell PGM Costs by 50%

Hydrogen fuel cells are steadily proving to be a competitive zero-emissions solution for powering heavy trucks, railway locomotives and ships, as well as for various...

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Briefs
Sensors/Data Acquisition

Investigation of Requirements and Capabilities of Next-Generation Mine Warfare Unmanned Underwater Vehicles

The current fleet of United States Navy Mine Countermeasures ships, the Avenger class, is reaching the end of its planned service life.

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Technology Report
AR/AI

Brembo’s Sensify Aims to Revolutionize Braking

SAE Media recently participated with Brembo in a demonstration of the company’s new braking technology on the skid pad at the Michelin Laurens Proving Grounds in Mountville, South...

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News
Green Design & Manufacturing

Altair Honors Innovations in Sustainability and Lightweighting

Ford follows up its top prize in last year’s Sustainable Product category – for the Mustang Mach-E – with another electric-vehicle winner, the 2022 F-150 Lightning....

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Briefs
Design

Electrokinetics Models for Micro- and Nano-Fluidic Impedance Sensors

Microfluidics- and nanofluidics-based impedance sensors play an important role in the identification of toxic industrial chemicals and pathogens in the biodetection and biodefense arena, but their efficient modeling and design continues to be a challenge.

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Briefs
Propulsion

Evaluation and Test Requirements for Liquid Rocket Engines

This Standard establishes test and evaluation requirements related to the development, qualification (or certification), and acceptance (flight production unit) of liquid propellant rocket engines and associated propulsion systems.

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Briefs
Data Acquisition

GPS Radio Occultation and Ultraviolet Photometry-Colocated (GROUP-C) Early Orbit Testing Results

After routine flight, capture, and installation, GROUP-C underwent Early Orbit Testing to verify its performance prior to science operations.

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Briefs
Sensors/Data Acquisition

Upgrade Transonic Compressor Test Rig Data Acquisition System

New software programming using commercial off-the-shelf software for acquiring data, processing data, displaying results, and generating reports is implemented to improve the performance of a legacy system.

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Briefs
Test & Measurement

Pulsed Exposure Toxicity Testing: Method Development and Initial Evaluation for Stormwater Compliance

Preliminary research into modifying whole effluent toxicity testing protocols designed for continuous flow discharges as applied to episodic and/or ephemeral discharges such as those associated with storm water runoff.

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