New Approaches for Reducing Helmholtz Resonance in Submarine Structures.

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N00024-04-C-4165
Agency Tracking Number: N041-037-1015
Amount: $99,871.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: N04-037
Solicitation Number: 2004.1
Small Business Information
COMBUSTION RESEARCH & FLOW TECHNOLOGY, I
6210 Keller's Church Road, Pipersville, PA, 18947
DUNS: 929950012
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Neeraj Sinha
 Vice President & Technica
 (215) 766-1520
 sinha@craft-tech.com
Business Contact
 Neeraj Sinha
Title: Vice President & Technica
Phone: (215) 766-1520
Email: sinha@craft-tech.com
Research Institution
N/A
Abstract
A program to demonstrate a Computational Fluid Dynamics (CFD) technology for the prediction of Helmholtz resonance in openings on submarine hull structures is proposed. The program seeks to build upon established technology developed under funding from the US Navy for the modeling and study of cavity flow fields and underwater submarine flows. In the Phase I of the proposed program, technology demonstration and system characterization exercises are proposed, leading to controller development and experimental demonstrations in a water tunnel during Phase II. The computational tools will be demonstrated by validation against experimental data for candidate configurations of interest to the Navy. Computational system characterization leading to controller identification will lead to a Phase II program, which will combine experimental and computational techniques for controller development and technology realization. The proposed technology will enable the prediction of Helmholtz resonance during design phase of new systems as well as aid in the development of controllers for existing configurations. The proposed program combines the expertise of CRAFT Tech in computational disciplines with the pioneering expertise of Dr. Donald Rockwell in the areas of experimental cavity research.

* information listed above is at the time of submission.

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