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External Pipe Sound Pressure Level Sensor

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00014-10-M-0355
Agency Tracking Number: N10A-016-0270
Amount: $69,891.00
Phase: Phase I
Program: STTR
Solicitation Topic Code: N10A-T016
Solicitation Number: 2010.A
Solicitation Year: 2010
Award Year: 2010
Award Start Date (Proposal Award Date): 2010-06-28
Award End Date (Contract End Date): 2011-04-30
Small Business Information
9500 Innovation Drive
Manassas, VA 20110
United States
DUNS: 945837219
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Tom Baldasarre
 Principal Investigator
 (508) 828-9800
Business Contact
 Christine Sigety
Title: Manager of Business Suppo
Phone: (703) 368-6107
Research Institution
 Univ. of Massachusetts Dartmouth
 Joanne Zanella-Litke
Office of Research Admin. 285 Old Westport Rd.
Dartmouth, MA 2747
United States

 (508) 999-8942
 Nonprofit College or University

Stealth is a primary consideration in design and operation of ships and submarines in the Navy fleet. Noise in hydraulic systems and piping is one source of unwanted noise. A method to measure and monitor this noise is essential to controlling and eliminating these noise sources. With the assistance of UMASS Dartmouth we will present a method to externally measure the fluidborne sound pressure level in noisy piping systems. This will involve developing a novel sensor approach that is capable of measuring fluid sound pressure levels as low as 80 dBRMS//1uPa/Hz when attached externally to the pipe. Modeling and simulation will be developed to predict the performance and characteristics of the sensor design and technique. Models will be used to determine if the concept is technically feasible and will also be used to predict the radial mode and other structure modes of the specified pipe configurations.

* Information listed above is at the time of submission. *

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