Project Experience

Project Experience for Nelson Acoustics

Please note that in many cases contract requirements demand that the identity of the client and other details not be publicly revealed

Low-Noise Design and Product Sound Quality

•Joint Acoustical and Thermal Analysis for Large Servers

•Effect of Loud Sound on HDD Servers

•Low-noise design for Fan-powered Devices

•Low-noise design Fan-cooled Devices

•Comprehensive mapping of fan performance and noise emission, with mockup inlet conditions

•Personal Computers

•Servers

•Routers

•Switches

•Remote computing workstations

•Custom sound quality metrics

•Surgical Equipment

•Medical Equipment

•High-speed gas nozzles

•Experimental Payloads for International Space Station: Fluids Integrated Rack, Combustion Integrated Rack, Plant Research Unit, Advanced Animal Habitat, FEANICS

•Compressed-air powered motors

•Sound Quality Program for a Large Consumer Product Manufacturer

•Mapping of Sound Transmission through Window by Sound Intensity Method

Acoustical Measurement Systems and Software

•Trident Multichannel Realtime Analyzer (simultaneous 1/3-octave band, FFT, ISO 532B Loudness, calibrated WAV file recording, sound intensity)

•Sound Quality Analyzer

•Pure Tone Analyzer (per ECMA 74)

•REATMaster Hearing Protector Measurement Lab software

•IPILA: Impulse Peak Insertion Loss Analyzer for Hearing Protectors ANSI S12.42

•TWA Calculator (NASA)

•Custom Measurement System with DUT control for active heat sink testing

•Control system for ISO 10302 fan plenum

•Environmental Noise Analyzer

•Reverberation Analyzer

•Control system for hemi-anechoic chamber qualification system

•Impedance Tube software for ASTM E1050

•Paper Wrinkle Detector

•Hard-Disk Drive Sound Power Measurement and Control System

•Building Acoustics software (ASTM E90, ASTM C423)

Instruction in Acoustics and Noise Control

•Wind Turbine Noise, UT Austin

•Basic Acoustics related to mine noise, NIOSH

•Environmental Noise, industrial client

•Fan Noise, industrial client

•Low-Noise Design, industrial client

•Fan Noise, NASA Glenn Research Center

•Gas-Flow Design Guide Seminar, NASA Glenn Research Center

•Low-Noise Design Seminar, NASA Glenn Research Center

•Luncheon Keynote Speech, SAE NVH, 2005

•Basic Acoustics, NASA Glenn Research Center

•Acoustical Measurements, NASA Glenn Research Center

•Low-Noise Design for Spaceflight Hardware, NASA contractor

•Product Noise Control, Semi-Therm 2003

•Auditory Demonstrations CD, NASA Glenn Research Center

•Sound Absorption and Noise Control, commercial client

•Engineering Noise Control, Industrial client

•Noise Control and Low-Noise Product Design, Institute of Noise Control Engineering

•ISS Payload Design Conference, NASA Glenn Research Center

•Fundamentals of Noise Control and Low-Noise Product Design, NIOSH

•Fundamentals of Noise Control and Low-Noise Product Design, Institute of Noise Control Engineering

•Design for Low Noise Emission, NASA Glenn Research Center

•Reducing Noise Emission from ISS Flight Hardware, NASA Glenn Research Center

•Website Content for National Instruments' Developer Zone

•Acoustics and Measurement, Industrial Client

•Reduced-Noise Gas Flow Design, NASA Glenn Research Center

•Noise Control, The University of Texas at Austin: Fall Semester

Building Acoustics

•Room Acoustics on Trading Floor

•Sleep Disturbance in Condominium

•Orthodox Church: Room Acoustics, Sound Isolation and Mechanical Noise

•Dynamometer in Adjacent Commercial Rental Space

•Confidential Speech Privacy

•Retrofit Noise Control for Video Recording Studio

•Data Center

•Server Laboratory

•Dog Grooming Facility

•Cafeteria

•Acoustical Test Facility Design for Spaceflight Hardware

•Acoustical Test Facility Design for Computer Manufacturer

•Integration of Drop/Shock Lab into Building housing Acoustics Test Facility

•Vibration and Acoustics Test Facility Design

•Customer Service Telephone Center Adjacent to Manufacturing Operation

•Entertainment Noise Intrusion into Hotel

•Railroad Noise Intrusion into Office Building

•Witness ASTM E90 Testing

•Measure ASTC and FIIC performance of 15 floor-ceiling assemblies in situ

•Measure NIC performance of music practice room doors in situ

•Measure sound isolation of noise control enclosure in situ

•Exterior- and interior sound isolation, HVAC noise control for 21,000 seat facility (LDS Conference Center, Salt Lake City, UT, 1995)

Environmental Noise

•Wind Turbine Noise on rural property

•Development of sound-absorbing highway sound barriers

•In situ measurement of reflections from large retaining wall

•Ironworks and Forge compliance with New Zealand codes

•Outdoor Entertainment audible in nearby neighborhood

•Audibility of Noise from Gas Compressor Station

•Predict Noise from Gas Compressor Station

•Measure Noise from Gas Compressor Station

•Audibility of Noise from Wind Turbines

•Wastewater Treatment Plant

•Water Treatment Plant

•Music Festival vs. City Ordinance

Industrial Noise Control

•Buy-Quiet Process for Construction Industry (NIOSH)

•Fan Noise Enclosure at Coal-Fired Power Plant

•Buy-Quiet Process Roadmap (NASA)

•Comprehensive Noise Control Action Plan, Sheet and Coil Aluminum Plant

•Comprehensive Noise Control Action Plan, Industrial Fasteners Plant

•Comprehensive Noise Control Action Plan, Industrial Plant

•Reduced-Noise Gas Flow Design Guide for NASA Glenn Research Center

•Buy-Quiet Guide for NASA Glenn Research Center

•Noise Control for Heavy Equipment Operators in Surface Mining

•Noise Control Recommendations for Surface Milling Machine

•Noise Map for Plastic Bottle Cap Manufacturing Plant

•Gas Turbine Power Plant

•Noise Control for Aerospace Nozzle Test Facility

Acoustical Laboratory Design

•Pure-Tone Sound Power Qualification of Reverberation Chamber

•Test Facility Design for a multi-chamber acoustical test facility for the testing of personal computers and servers, integrated into commercial building

•Acoustical Test Facility Design for Spaceflight Hardware

•Acoustical Test Facility Design for Computer Manufacturer

•Chamber qualification for anechoic and hemi-anechoic chamber

•Evaluate EMC chamber for use as acoustical test chamber

•Analysis to predict anechoic and hemi-anechoic chamber performance from wedge impedance data

•Vibration Test Facility Design, seismic and shaker tables, integrated into commercial building

•Vibration Test Facility Design, drop-shock and shaker tables, integrated into commercial building housing an acoustical test facility

•Improve Performance of Reverberation Chamber for Appliance Manufacturer’s Technology Center

•Improve Performance of Reverberation Chamber for HVAC Manufacturer

•Improve Performance of Reverberation Chamber for Appliance Manufacturer