US researchers test coaxial co-rotating rotors for silent eVTOLs
Results of testing and modelling show promise for significant noise reduction for eVTOL aircraft
Browsing: Acoustic & Vibration
Researchers measure aircraft propeller noise on the ground and in flight synchronously for the first time
German researchers have succeeded in measuring the noise emitted by a turboprop aircraft synchronously on…
A guide to more efficient noise testing in wind tunnels
Gaining more insights into aeroacoustic performance and increasing productivity with dedicated wind tunnel testing solutions
Sound and Vibration measurements for a safer, quieter future in aviation
Improved reliability, fuel economy and noise mitigation require accurate, valid data for vibration and sound measurement
Modal testing made easy
Modal testing is a very useful technique for verifying and understanding the dynamic behavior of complex structures
Researchers use fiber optic sensors to measure rotor deformation
Researchers use fiber optic sensors to measure deformation in helicopter rotor blades
Brüel & Kjær launches microphone family for high-precision acoustic measurements
Danish company Brüel & Kjær has launched a family of microphones designed for high-precision, free-field measurements where high sensitivity is required
Bell 525 relentless completes noise testing milestone
The Bell 525 Relentless has moved a step closer to becoming the first certified-commercial fly-by-wire helicopter in…
How to test satellites and not destroy them
Force limited vibration testing subjects a satellite to all the vibrations that are likely to occur during its flight from earth to orbit
German researchers flight test retrofittable technologies to quieten airliners
Noise-reducing conversions will offer a short- to medium-term way of reducing air pollution