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Omni-Directional, Wind and Water Tolerant Inlet for the DFU

Award Information
Agency: Department of Defense
Branch: Office for Chemical and Biological Defense
Contract: N00178-07-C-3034
Agency Tracking Number: C071-116-0129
Amount: $99,930.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: CBD07-116
Solicitation Number: 2007.1
Solicitation Year: 2007
Award Year: 2007
Award Start Date (Proposal Award Date): 2007-05-11
Award End Date (Contract End Date): 2007-11-11
Small Business Information
23616 SE 225th Street P.O. Box 469
Maple Valley, WA 98038
United States
DUNS: 928928803
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Peter Ariessohn
 Directo of Research & Development
 (206) 251-2505
Business Contact
 George Kychakoff
Title: President
Phone: (425) 432-1589
Research Institution

In the proposed project, Enertechnix will develop optimized designs for an improved inlet for the Dry Filter Unit (DFU) capable of achieving high collection efficiencies for particles between 1 and 20 microns in diameter while functioning reliably on board naval vessels. This new inlet will be insensitive to wind direction and speed and will be tolerant of harsh weather and wave conditions. By incorporating a novel aerodynamic lens array aerosol concentrator, the proposed inlet will substantially reduce the power requirements of the DFU and allow the use of a much smaller blower while maintaining the current sampling rate. In Phase I, Enertechnix will perform extensive 2- and 3-dimensional CFD modeling to identify designs for the individual sections of the inlet that build upon a design developed by one of our collaborators (Prof. Virgil Marple at the University of Minnesota). Prof. Marple’s design has been demonstrated to have significantly better performance than the existing inlet but is susceptible to water infiltration. In the Phase I Option period, Enertechnix will model the complete inlet, will identify suitable low-cost fabrication methods and will develop a design for an experimental prototype to be tested in Phase II.

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

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