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Advanced Hearing Protection

Award Information

Agency:
Department of Defense
Branch:
Air Force
Award ID:
52610
Program Year/Program:
2001 / STTR
Agency Tracking Number:
F013-0108
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Dominca, LLC
12111 Ranchitos Road, NE Albuquerque, NM -
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2001
Title: Advanced Hearing Protection
Agency / Branch: DOD / USAF
Contract: F49620-01-C-0003
Award Amount: $98,434.00
 

Abstract:

Some ground crews for aircrafts are exposed to ambient noise levels up to 150 dB SPL: at these levels, conduction of sound through tissues is significant and may be responsible for hearing loss. Protecting the ear canal with earplugs and earmuffs cannotprevent damage caused by tissue-conducted sound. Our research partners at University of Illinois at Urbana-Champaign, experts in bioacoustics and audiology, will use finite element analysis to investigate the reception and conduction of sound through hardand soft tissues of the head and torso. From their work we will determine the attenuation characteristics that protective gear should possess. We will demonstrate methods to increase the attenuation provided by passive earmuffs. Similar improvements canbe made to helmets and garments, but these will await completion of the tissue conduction analysis. Finally, we will begin to assess the feasibility of incorporating active cancellation of air-borne noise into headgear other than earmuffs; effectiveactively controlled earmuffs already exist on the market.The technology developed to protect the hearing from high-intensity sound can have numerous military and consumer applications. Potential military devices include 1) hearing-protection for aircraftground crew, and for maintenance, repair, and testing personnel of aircraft engines, 2) helmets for ear and brain protection of pilots in military aircraft, and 3) ear protective device for crews in the engine room of a ship. Potential commercial devicesinclude 1) hearing protection for patients and operating room personnel during extracororeal shock wave lithotripsy, 2) protective helmet for patients undergoing functional magnetic resonance imaging, and 3) ear protection devices for people in variousindustries using tools that produce high sound pressure.

Principal Investigator:

Nancy A. Winfree
Principal Engineer
5058220005
Nancy@Dominca.com

Business Contact:

Joseph H. Kang
Principal Engineer
5058220005
Joe@Dominca.com
Small Business Information at Submission:

DOMINCA
9813 Admiral Dewey Ave., NE Albuquerque, NM 87111

EIN/Tax ID:
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
BOARD OF TRUSTEES OF UNIV OF IL
Grants & Contr, 109 Coble Hall, 801 S. Wright St
Champaign, IL 61820
Contact: Tony G. Waldrop
Contact Phone: (217) 333-2187
RI Type: Nonprofit college or university