[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Allam et al., 2012 - Google Patents

Development of Acoustic Models for High Frequency Resonators for Turbocharged IC-Engines

Allam et al., 2012

View PDF
Document ID
16430695410530285563
Author
Allam S
Knutsson M
Boden H
Publication year

External Links

Snippet

Automotive turbo compressors generate high frequency noise in the air intake system. This sound generation is of importance for the perceived sound quality of luxury cars and may need to be controlled by the use of silencers. The silencers usually contain resonators with …
Continue reading at www.researchgate.net (PDF) (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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING ENGINES OR PUMPS
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/007—Apparatus used as intake or exhaust silencer

Similar Documents

Publication Publication Date Title
Lee et al. Empirical model of the acoustic impedance of a circular orifice in grazing mean flow
Abom et al. Dissipative silencers based on micro-perforated plates
Allam et al. Development of Acoustic Models for High Frequency Resonators for Turbocharged IC-Engines
Allam Low noise intake system development for turbocharged IC engines using compact high frequency side branch resonators
Du et al. Acoustic performance of a water muffler
Yang et al. Analysis and control for the intake noise of a vehicle
Gupta et al. Performance of transmission loss on hybrid muffler by using rock wool and glass fiber as a absorbing materials
Kabral et al. Acoustic studies on small engine silencer elements
Mohamad A review of flow acoustic effects on a commercial automotive exhaust system
Zhang et al. A practical procedure to predict AIS inlet noise using CAE simulation tools
Villau et al. Concept study of sustainable noise control solution for HVAC systems based on microperforated elements
Herrin et al. Using Numerical Acoustics to Predict the Attenuation of HVAC Plenums/DISCUSSION
Shaw et al. A correlation study of computational techniques to model engine air induction system response including BEM, FEM and 1D methods
Siano et al. Pros and cons of using different numerical techniques for transmission loss evaluation of a small engine muffler
Knutsson et al. A study on acoustical time-domain two-ports based on digital filters with application to automotive air intake systems
Warzyńska et al. Influence of boundary conditions on the accuracy of pulsation dampers characteristics in analytical models
Cheng et al. Research on the Influence of Characteristics of the Annular Connecting Pipe on the Transmission Loss of the Expanded Exhaust Muffler
Knutsson et al. Acoustic analysis of charge air coolers
Myers Design of a catenoidal shaped anechoic termination
US2844210A (en) Means for determining the effectiveness of sound reducing means
Wang Development of acoustic models for high frequency resonators for turbocharged IC-Engines
Fang Development of a CFD/Acoustic simulation method to study the influence of background flow on silencers performance
Kim Transmission loss of silencers with flow from a flow-impedance tube using burst signals
CN114021244A (en) Method for predicting acoustic characteristics of irregular multi-cavity perforated silencer under flowing condition
Bowden Modelling of large diesel intake and exhaust system acoustics using one dimensional (1D) simulation and experimental verification