Nothing Special   »   [go: up one dir, main page]

Wong et al., 2003 - Google Patents

Hybrid active and passive control of fan noise

Wong et al., 2003

Document ID
18172827321460010775
Author
Wong Y
Paurobally R
Pan J
Publication year
Publication venue
Applied Acoustics

External Links

Snippet

This paper deals with the global reduction of axial flow fan noise in ducts in a building using a hybrid passive–active noise control method. The effectiveness of using an infra-red device as a reference signal source is also investigated. It is shown that using such a hybrid noise …
Continue reading at www.sciencedirect.com (other versions)

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound
    • G10K11/175—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1788—Structural details
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or damping of, acoustic waves, e.g. sound
    • G10K11/162—Selection of materials
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/105—Appliances, e.g. washing machines or dishwashers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles

Similar Documents

Publication Publication Date Title
FAHY Fundamentals of noise and vibration control
US7869607B2 (en) Quiet active fan for servers chassis
Kuo et al. Applications of adaptive feedback active noise control system
Yang et al. Improvement of noise reduction performance for a high-speed elevator using modified active noise control
Wong et al. Hybrid active and passive control of fan noise
Landaluze et al. Application of active noise control to an elevator cabin
Betgen et al. A new hybrid active/passive sound absorber with variable surface impedance
CN205536473U (en) Active ventilation noise eliminator
Zhou et al. Airborne path attenuation of partial enclosures: Simulation and sensitivity study
EP1993495B1 (en) Quiet active fan for servers chassis
WO2005116990A1 (en) Sound absorbing device for ultra-low frequency sound
Forouharmajd et al. Noise reduction of a fan and air duct by using a plenum chamber based on ASHRAE guidelines
Pinhède et al. Towards an active semi-anechoic room: simulations and first measurements
KR101603697B1 (en) Apparatus for reducing floor impact noise using active noise control and method for the same
Hu et al. Active noise control for selective cancellation of external disturbances
Belogubtsev et al. Physical modeling of active cancellation of low-frequency sound signals
Tang et al. Stiff light composite panels for duct noise reduction
Maillard et al. Study of passive/active control on openings for natural ventilation in buildings
JP3802438B2 (en) Active silencer
Inzhutov et al. Investigation of Acoustic Impedance of a New Floor Panel Filling Generation
Hobbs Noise and vibration
Mahdin et al. Noise Cancellation for Small Type Generators
JPH0342999A (en) Silencing device for radiation noise in opening section
Lurcock et al. A new empirical prediction approach for ground borne vibration in buildings
JP2004232354A (en) Solid sound reduction type interior trimming structure and interior trimming panel device