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Supplier: Acoustical Solutions, Inc.
Description: The AlphaDiffuser™ are specially molded plastic diffusers designed to scatter or disperse acoustic energy through out a given space. The multiple facets and angles of the AlphaDiffusers™ redirect and redistribute sound waves through out the room, helping to eliminate hot-spots
- Type / Application: Other
- Silencer / Muffler Design: Reactive / Diffuser
- Cross Section: Square / Rectangular
- Mounting / Attachment Features: Adhesive, Other
Supplier: BRD Noise & Vibration Control, Inc.
Description: BRD HUSH WEDGE™ products are among the most advanced materials available for effective noise control. The proprietary/patented convoluted design was adopted from technology used in the construction of anechoic ("without echoes") acoustical test chambers where deep wedges are usedShow More
Supplier: Johns Manville Corp.
Description: Johns Manville diffuser board is designed for use in the fabrication of HVAC systems, air diffusers and register boxes. The airstream surface features a black glass mat, which provides a smooth interior surface that offers minimal resistance to air flow. JM diffuser board is available plain
- Application: Commercial, Residential
- Type: Fiberglass Duct Board
- Features: Insulated
Supplier: Visual Sound, Inc.
Description: and diffuse field. Negative acoustic effects caused by the housing and the sound inlet basket are minimized. The small, slim design and the optionally dark housing design (Nextel) make it visually unobtrusive. Delivery Includes MKH 800 TWIN studio condenser microphone MZQ 80 microphone clamp MZS 80Show More
Description: range can also be configured as an adjustable pitch axial fan upon request. Key Benefits Operating efficiency Reliability Vibration control Sound diffusers Standard Features Inlet guard Stall probe Volume flow measurement probe Main motor Standard Features Belt drive Dampers Acoustic
- Design Configuration: Axial
- Environment: Clean Air / Gas, Corrosive Gases, Dirty Air / Gas
Supplier: Acoustics First Corporation
Description: The QuadraPyramid™ is a variation of the traditional offset pyramidal diffuser. It’s patented low profile design presents four pyramids to create sixteen angles of reflection on the surface of a single 2’ X 2’ panel, with each pyramidal quadrant rotated 90 degrees
- Product Description: Ceiling Panel / Tile, Other
- Noise Reduction Coefficient (if applicable): 0.2000 NRC
- Thickness: 2.75 inch
- Width: 23.75 inch
Supplier: BRD Noise & Vibration Control, Inc.
Description: of your project and select hte most cost-effective standard or custom design for the application. Thin profile acoustical louvers (4" to 12") are available for building ventilation applications to/from mechanical equipment rooms.Show More
Supplier: PCB Piezotronics, Inc.
Description: The Larson Davis 426A12 Outdoor Microphone has been designed for permanent outdoor use in any weather condition. It is constructed of stainless steel to resist corrosion, and its profile minimizes both wind resistance and acoustic reflections. It includes a rain hat, wind screen and bird spikes
- Sound Field Type: Free-Field, Diffuse Field
- Frequency Response: 4 to 20000 Hz
- Dynamic Range: 0.0 to 20 dB re 20µPa
- Microphone Sensitivity: 50 mV/Pa
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Meggitt Sensing Systems - Measurement Group
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offers 225 mV full-scale output and a non-linearity specification of less than 1% at 3x over-range. Transducers are rugged to 20,000 g shock and offer an industry best-in-class minimum 4X burst pressure, with non-repeatability and pressure hysteresis errors of less than 0.50% FSO for all ranges, making it the most accurate series of its kind. The Endevco ® model 8530C series features an active four-arm strain gage (gauge) bridge, diffused into a sculpted silicon diaphragm, for maximum... (read more)
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ESDU Process Engineering Technology
transfer - boiling. Section 9: Tubeside heat transfer - water and steam. Section 10: Tube bundle vibration and acoustic resonance. Section 11: Falling film evaporator design and performance prediction. Process Heat Exchangers - Various. Section 1: Selection and costing. Section 2: Condenser selection. Section 3: Thermal design and performance evaluation. Section 4: Falling film evaporator design and performance prediction. . Heat Exchanger Fouling (General). Section 1: Fouling of heat... (read more)
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Acoustics, Information, and Communication
This chapter briefs a number of recent applications of maximum-length and quadratic-residue sequences, such as simultaneous dual/multiple sources measurements in acoustical tomography, in artificial pseudo-binaural reverberation, in decorrelation for spatial audio signals, and room acoustic diffuser design .
Operation of electromagnetic reverberation chambers with wave diffractors at relatively low frequencies
These discrep- ancies are important, for example, when transferring results for designs of acoustic diffusers or cavity shapes to electromagnetic designs if edge or surface curvature contributions dominate the surface area contribution.
Final evaluation of the acoustics of the APS conference center
I recommended that most of the originally-specified surfaces of the walls and ceiling be changed: most of the walls would be covered with acoustic diffusers of my design , the lower part of the side walls lined with hardwood.
One of the main reasons for designing the acoustic pump diffuser was to be able to control the pressure distribution at the impeller exit.
"Poiycylindrical Diffusers in Room Acoustic Design ," Jl. Acost.
Basic use of acoustic speckle pattern for metrology
That implys the design of ' acoustic diffuser ' is successful.
Basic use of acoustic speckle pattern for metrology and sea waves study
That implys the design of " acoustic dif- fuser "is successful.
The SchluI3 this first booklet forms a Ver6ffentlichung yon SOMERVILLE and WARD from the laboratory the "British Broadcasting Corporation" fiber model measurements on acoustic diffusers in R ~ iumen.
Applied Acoustics: Concepts, Absorbers, and Silencers for Acoustical Comfort and Noise Control
Applied Science, London Cox T, d’Antonio P (2003) Acoustic diffusers and absorbers: design and application.
Evolutionary Algorithms and Metaheuristics in Civil Engineering and Construction Management
2009) Acoustic absorbers and diffusers theory, design and application, 2nd edn.
Creation and calibration method of acoustical models for historic virtual reality auralizations
2009) Acoustic absorbers and diffusers : theory design and application.
Advances in Chemical Engineering II
Acoustic Absorbers and Diffusers -The Design and Application, Spon Press (2004).
Synthesis and characterization of open‐cell foams for sound absorption with rotational molding method
T.J. Cox and P. D’Antonio, Acoustic Absorbers and Diffus- ers —The Design and Application, Spon Press, London, UK (2004).
A CO2-Rich Gas Well Test and Analyses
At the end of the flow lines within the acoustic pit was a specially designed diffuser to aid retention of the scoria.
Utility advanced turbine systems (ATS) technology readiness testing -- Phase 3. Annual report, October 1, 1996--September 30, 1997
Section 22.214.171.124.1 (GTFFSTEY)Exhaust DiffuserPerformance 0bjective The requirements for the ATS gas turbine exhaust difhser include (1) improved baseload pressure recovery performance compared with earlier GE exhaust diffuser designs and (2) operation without acoustic resonance at any operating …