GEARTOOTH PRESSURE SENSOR

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N/A
Agency Tracking Number: 5498
Amount: $63,188.00
Phase: Phase I
Program: SBIR
Awards Year: 1987
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Anco Engineers Inc
9937 Jefferson Blvd, Culver City, CA, 90232
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 JOHN C STOESSEL
 (213) 204-5050
Business Contact
Phone: () -
Research Institution
N/A
Abstract
HYDRODYNAMIC PRESSURE GENERATED BY MESHING GEARS IN AN OIL BATH CONTRIBUTE TO THE SELF NOISE OF TORPEDOES. AS TARGETS BECOME "QUITER," TORPEDO GUIDANCE SYSTEMS MUST INCREASE THEIR SENSITIVITY TO THE ATTENUATED SOUND WAVES REFLECTED BY THE TARGET. IN BEING MORE SENSITIVE, THEY CAN BE DISTURBED BY THEIR OWN NOISE. AS A RESULT, IT IS VERY IMPORTANT TO UNDERSTAND SELF NOISE SOURCES AND MITIGATE THE EFFECTS. THE PROPOSED TRANSDUCER SYSTEM, BASED ON PIEZOELECTRIC PLASTIC FILM AND DATA TELEMETRY, IS SMALL AND THIN ENOUGH TO MEASURE THE HYDRODYNAMIC PRESSURE AT THE GEAR ROOT. THE TRANSDUCER WILL HAVE A LARGE FREQUENCY AND DYNAMIC RANGE. IT WILL ALLOW MEASUREMENTS IN SITU THAT WILL PROVIDE THE DATA NEEDED TO UNDERSTAND AND REDUCE HYDRODYNAMIC PUMPING ACTION NOISE.

* information listed above is at the time of submission.

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