A Fiber-Optic-Based External Pipe Sound Pressure Level Sensing System

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$69,997.00
Award Year:
2010
Program:
STTR
Phase:
Phase I
Contract:
N00014-10-M-0352
Award Id:
95097
Agency Tracking Number:
N10A-016-0353
Solicitation Year:
n/a
Solicitation Topic Code:
NAVY 10T016
Solicitation Number:
n/a
Small Business Information
2363 Calle Del Mundo, Santa Clara, CA, 95054
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
877452664
Principal Investigator:
BehzadMoslehi
CEO/CTO
(408) 565-9004
bm@ifos.com
Business Contact:
BehzadMoslehi
CEO/CTO
(408) 565-9004
bm@ifos.com
Research Institute:
Georgia Institute of Technology
Peter Rogers
Georgia Institute of Technolog
Atlanta, GA, 30332
(404) 894-3235

Abstract
Intelligent Fiber Optic Systems Corporation (IFOS) and Georgia Tech propose a fiber Bragg grating (FBG) integrated sensor system capable of measuring the pipe wall "breathing mode" in order to infer the fluid-borne sound pressure level (SPL) in a pipe. The proposed new measurement technique makes it possible to externally measure the fluid-borne sound level in a noisy piping system. The state-of-art FBG sensors will be capable of measuring vibrations of the pipe wall external surface for monitoring SPL in real-time with high sensitivity and high degree of accuracy. IFOS-Georgia Tech innovation is to develop and implement such FBGs as SPL sensors to be surface-mounted on pipelines in a removable configuration facilitating installation and operation in the field. Advanced signal processing and SPL calculation algorithms as well as computer models will be applied for simulation purposes. Potentially, the solution could evolve into an autonomous onboard monitoring system to inspect and perform Non-Destructive Evaluation and piping system, valves and pumps health monitoring.

* information listed above is at the time of submission.

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