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News Imaging
Turning the Vehicle into a Giant Microphone
When an emergency vehicle is approaching but its blaring siren isn’t heard by nearby motorists, all are put at risk. Engineers at Harman International have developed novel sensor technology...
News Materials
SAE International Extends Call for Abstracts, Seeks Submissions for AeroTech Conference
Engineering Events staff at SAE International in Warrendale, Pennsylvania, have extended the call for abstracts through September 21 for the...
Articles Power
EVs Drive NVH Material Innovations
The definition of a ‘quiet’ vehicle, as determined by the occupants’ ears, is changing radically, as electric motors replace the internal-combustion engine. And electric vehicles are changing the...
Briefs Motion Control
Anti-Phase Noise Suppression Rotor Technologies
Acoustic optimization for anti-phase asymmetric rotor.
Technology Report Software
Electrification Forces Fresh Perspectives on Vehicle NVH
The quietness of EVs is, for many, a compelling selling point. But vehicles becoming inherently quieter overall hasn’t translated into making the job of noise abatement any...
Technology Report Power
Expanding the ‘Bubble’ of Cabin Acoustics
Noise cancellation has been a viable technology for many years, used on board turboprop aircraft to counter engine noise and familiar to consumers when applied to headphones to reduce...
News Test & Measurement
All-New Wind Tunnel Lets Honda Air It Out
Acknowledging the twin priorities of aerodynamic and NVH optimization in the increasingly electrified passenger-vehicle future, Honda in late March inaugurated its first full-scale wind tunnel...
Briefs Medical
Quiet Gears Improve Patient Comfort and Imaging Quality in Medical Equipment
The polymer gear material reduces noise and absorbs shock and vibration.
Features Sensors/Data Acquisition
Assistive Audio Signal Stimulation Offers Relief for Parkinson’s Patients
Early indicators suggest that there are significant mood improvements that assist in the quality of life for the patients testing the devices.
Briefs Propulsion
Meringue-Like Material Reduces Aircraft Noise
The low-density, graphene-based aerogel could make aircraft as quiet as a hairdryer.
Articles Manufacturing & Prototyping
Products of Tomorrow
Metamaterial printing, high-efficiency solar cells, and a noise-reduction material.
Briefs Motion Control
Built-In Vibration Control to Soundproof Spaces
Vibration-absorbing resonators could better soundproof walls and make vehicles more streamlined.
News Aerospace
Industry Invited to Participate in AeroTech Aerospace and Defense Technical Program
SAE International is inviting global participation in its AeroTech® aerospace and defense technology conference and exhibition, which is for the first...
NASA Spinoff Unmanned Systems
Microphone Detects Turbulence Hundreds of Miles Away
A NASA microphone that detects unseen air turbulence is lofted to high heights aboard a stratospheric glider.
Articles Test & Measurement
An Immersive Solution for Thermally Safer EV Batteries
An R&D project indirectly leads to potentially greater power density, EV range, and battery life.
News Test & Measurement
Modern Approaches to Electric Vehicle Noise and Vibration
Often what comes to mind when discussing electric vehicles are range, charging infrastructure, fast charging, battery costs, etc. Often overlooked are the electric vehicle’s noice...
Briefs Wearables
Smartphone App Hears Ear Infections in Children
The app detects fluid behind the eardrum using a piece of paper and a smartphone’s microphone and speaker.
Briefs Test & Measurement
Extreme Low-Frequency Hydrophone
Applications include monitoring of earthquakes and tsunamis as well as manmade infrasonic sources such as boats.
News Design
NVH Simulation Meets Realism
Vehicle development is amidst three concurrent revolutions – electrification, autonomy and the shift in product design and engineering to more up-front simulation. Any one of those would be a challenge for...
News Manufacturing & Prototyping
Metamaterials R&D Targets NVH Abatement
Acoustics engineers have a broad variety of materials from which to choose for reducing noise, vibration and harshness (NVH) in vehicles. But their selection often comes with a measurable...
Briefs Semiconductors & ICs
Ultrasonic Projector
A chip-based technology generates sound profiles with high resolution and intensity to make ultrasound therapy more effective and easier.
Articles Mechanical & Fluid Systems
A Comprehensive Way to Use Bonding to Improve RF Performance of Low Noise Amplifiers
Is RF engineering a form of black magic? Learn about the challenges in developing a low noise amplifier (LNA) for the aerospace market.
Briefs Software
High-Fidelity Sonic Boom Propagation Tool
The sBOOMTraj software tool predicts and mitigates ground noise generated during supersonic flight.
5 Ws Sensors/Data Acquisition
5 Ws of the SoundWatch
The smartwatch app identifies sounds that a user is interested in and sends a friendly buzz and information about the sound.
News Design
Nissan’s 2021 Rogue Is a COVID Beater
Nissan staff truly pulled out the stops to get the all-new 2021 Rogue into the market during the global pandemic. Rogue is the company’s best-selling product in North America, by far – a...
Articles RF & Microwave Electronics
Cryogenic-Capable Isolators Improve the Performance of Millimeter-Wave Systems by Lowering Noise Levels
Find isolators that operate optimally under cryogenic conditions.
What We’re Driving Packaging & Sterilization
What We’re Driving: 2020 Infiniti QX80
Body-on-frame luxury SUVs are a curious thing. It’s difficult to imagine a customer in the market for an SUV that approaches a six-figure price also desiring the burly characteristics that come...
News Energy
Latest NVH Simulation Tools Are Ultimate EV Buzz Killers
Noise, Vibration and Harshness, the engineer’s old nemeses, are among the new paradigms that electrification brings to vehicle development. The industry’s success in...
Top Stories
INSIDERPower
University of Rochester Lab Creates New 'Reddmatter' Superconductivity Material...
INSIDERElectronics & Computers
MIT Report Finds US Lead in Advanced Computing is Almost Gone - Mobility...
INSIDERSensors/Data Acquisition
Airbus Starts Testing Autonomous Landing, Taxi Assistance on A350 DragonFly...
INSIDERAerospace
Boeing to Develop Two New E-7 Variants for US Air Force - Mobility Engineering...
INSIDERWeapons Systems
PAC-3 Missile Successfully Intercepts Cruise Missile Target - Mobility...
INSIDERPropulsion
Air Force Pioneers the Future of Synthetic Jet Fuel - Mobility Engineering...
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Manufacturing & Prototyping
Tailoring Additive Manufacturing to Your Needs: Strategies for Performance and...
Automotive
How to Achieve Seamless Deployment of Level 3 Virtual ECUs for...
Photonics/Optics
Specifying Laser Modules for Optimized System Performance
Aerospace
The Power of Optical & Quantum Technology, Networking, &...
Sensors/Data Acquisition
Driver-Monitoring: A New Era for Advancements in Sensor Technology
Software
Leveraging Machine Learning in CAE to Reduce Prototype Simulation and Testing