Noise, Vibration, and Harshness (NVH)
Noise
Latest Stories
Articles Photonics/Optics
Everyday Life, Improved by Light: GRYPHON’s Photonic Discoveries
GRYPHON will leverage recent developments in nonlinear photonics and photonic-electronic integration to develop microwave sources with noise performance that meets or exceeds that of the best discrete oscillator modules. Read on to learn more about the endeavor.
Briefs Aerospace
New Research on Noise Reduction for Next Generation Aircraft Engines
A study published in Journal of Fluid Mechanics, reveals for the first time how noise is generated and propagated from these engines, technically known as boundary layer ingesting (BLI) ducted fans.
Articles Mechanical & Fluid Systems
Engineering at the New NVH Frontier
The complex science of analyzing and abating noise, vibration, and harshness has entered a “new frontier” as the industry transitions to electrified vehicles, experts in the NVH field tell SAE Media....
Technology Report Sensors/Data Acquisition
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 that...
News Test & Measurement
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 Green Design & Manufacturing
Vibration Testing NASA’s X-57 Maxwell Electric Aircraft
In place of the usual gasoline-powered motors, the X-57 has two all-electric motors powered by traction batteries.
Articles Manufacturing & Prototyping
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...
Technology Report Energy
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 easier...
Technology Report Software
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...
Articles 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 in...
Articles Electronics & Computers
Keeping Pace with In-Vehicle Data Speed
Next-generation advanced driver-assistance systems (ADAS) require camera and radar systems with increasingly high resolution. That means more speed and higher bandwidth for networks, switches and the...
News RF & Microwave Electronics
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 time...
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 Automotive
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...
Articles Software
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...
Articles Automotive
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 downside:...
Road Ready Energy
Alliance Platform Elevates 2022 Mitsubishi Outlander
Ten years is an eternity in terms of automotive product cycles, especially in a segment as hot and crowded as C/D sport utility. For Mitsubishi Motors North America (MMNA), waiting for...
Articles Materials
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.
Road Ready Nanotechnology
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 Test & Measurement
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 mitigating...
Original Equipment Test & Measurement
JLG Develops Self-Leveling Boom Lift
What started as a scale-model prototype shown at Bauma 2016 to explore the viability of a lift with a “smart” suspension has become reality for JLG Industries. At ConExpo-Con/Agg 2020, the...
Briefs Sensors/Data Acquisition
Green’s Function Extraction from Atmospheric Acoustic Propagation
Understanding what affects acoustic waves propagating in the atmosphere is important for a variety of military applications.
News Propulsion
GKN Spreads Premium Propshaft Tech to Quiet Pickup Cabins
It may seem a long way in engineering and NVH terms from premium European cars such as Audi’s A5 and A7 to light duty trucks, but GKN Automotive has bridged that gap with its...
Technical Innovation Test & Measurement
JCB Prepared to Meet EU Stage V Emissions
JCB is preparing to offer Stage V compliant engines across its equipment lines, with updates to its own engine range and changes to supplier models. Group director of engines Alan Tolley said that...
Application Briefs Imaging
Video Graphics Modules
WOLF Advanced TechnologyStouffville, Ontario, Canada905-852-1163https://wolfadvancedtechnology.com WOLF Advanced Technology (“WOLF”) recently announced that NASA has chosen two WOLF video graphics modules to take part...
News Manned Systems
Bye Aerospace’s Sun Flyer Is Now the “EFlyer”
In an effort to more accurately represent the aircraft – which will no longer feature wing-mounted solar panels as a standard option – Denver-based Bye Aerospace is renaming its...
Technical Innovation Motion Control
Streamlined HMIs Do More with Less
The phrase “less is more” has been a major part of human-machine interface (HMI) designs for several years as developers traded multiple knobs and buttons for cleaner input techniques. However, the...
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Webcasts
Automotive
The Testing Equipment You Need to Keep Pace with Evolving EV...
Automotive
Advances in Zinc Die Casting Driving Quality, Performance, and...
Automotive
Fueling the Future: Hydrogen Solutions for Commercial Vehicle...
Defense
Maximize Asset Availability in the Aerospace and Defense Industry
Aerospace
The Inside Story on Space Grade Silicones
Automotive
A Quick Guide to Multi-Axis Simulation and Component Testing