Holthusen et al., 2001 - Google Patents
New data acquisition system for microphone array measurements in wind tunnelsHolthusen et al., 2001
- Document ID
- 17213706606940892846
- Author
- Holthusen H
- Smit H
- Publication year
- Publication venue
- 7th AIAA/CEAS Aeroacoustics Conference and Exhibit
External Links
Snippet
During the last two years, DNW (the German-Dutch Wind Tunnels) developed a new dynamic data acquisition and processing system. This new system enables the usage of phased microphone arrays as efficient tools for noise source localization in DNW's wind …
- 238000005259 measurement 0 title abstract description 75
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5260874A (en) | Aircraft flight emulation test system | |
Holthusen et al. | New data acquisition system for microphone array measurements in wind tunnels | |
Volponi et al. | Enhanced self tuning on-board real-time model (eSTORM) for aircraft engine performance health tracking | |
US20070220454A1 (en) | Analyzing structural design relative to vibrational and/or acoustic loading | |
US20170145854A1 (en) | Method for Balancing a Turbofan Engine or Other Rotating System | |
CN104819847A (en) | Miniature turbojet aero-engine ground measurement and control system | |
CN102879602A (en) | Method for determining the air speed of an aircraft and aircraft provided with a means for implementing same | |
Zawodny et al. | Experimental Validation of an Acoustically and Aerodynamically Optimized UAM Proprotor Part 1: Test Setup and Results | |
Mears et al. | Experimental Characterization of the Space Launch System Block 1B Liftoff and Transition Environment | |
CN111862869A (en) | Automatic testing method and system for flight simulator cabin display equipment | |
CN204575329U (en) | A kind of miniature whirlpool spray aeromotor ground observing and controlling system | |
CN112966346B (en) | Frequency response function uncertainty analysis method based on equivalent frequency dispersion | |
Grabill et al. | iTEDS: the intelligent turbine engine diagnostic system | |
Brausch | Flight velocity influence on jet noise of conical ejector, annular plug and segmented suppressor nozzles | |
Fenyvesi et al. | Identification of turbomachinery noise sources via processing beamforming data using principal component analysis | |
Lo et al. | Ground vibration test of a commercial aircraft. | |
Dahl | A process for assessing NASA's capability in aircraft noise prediction technology | |
Heath et al. | Hybrid wing body aircraft acoustic test preparations and facility upgrades | |
Hanson | Study of noise sources in a subsonic fan using measured blade pressures and acoustic theory | |
Fitzgerald et al. | Research investigation of helicopter main rotor/tail rotor interaction noise | |
Grabill et al. | ATEDS: Airborne turbine engine diagnostic system | |
CN112765771B (en) | Real-time monitoring algorithm for vibration data of aircraft engine in transition state | |
Zeng et al. | A Linear Narrowband Filtering Method Based on Migration-Enhanced Singular Value Decomposition and Its Application to Reduce Noise | |
Lin | Design of Noise Test System for Aeroengine | |
CN116793691A (en) | Quality index detection method for aero-engine combustion chamber nozzle |