A Novel, Aerodynamics-augmented Continuous Ionization System for Electrostatic Collection of Bioaerosols

Award Information
Agency:
Department of Defense
Branch
Office for Chemical and Biological Defense
Amount:
$147,817.00
Award Year:
2013
Program:
SBIR
Phase:
Phase I
Contract:
W9132T-13-C-0008
Award Id:
n/a
Agency Tracking Number:
C122-107-0014
Solicitation Year:
2012
Solicitation Topic Code:
CBD12-107
Solicitation Number:
2012.2
Small Business Information
215 Wynn Dr., 5th Floor, Huntsville, AL, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
Y
Duns:
185169620
Principal Investigator:
Yi Wang
Group Leader
(256) 327-0678
proposals-contracts@cfdrc.com
Business Contact:
Deborah Phipps
Contracts Manager
(256) 726-4884
dap@cfdrc.com
Research Institute:
Stub




Abstract
Safe and efficient air ionization and filtration technology compatible to biodefense applications is of paramount importance. Current ionization methods are energy-intensive, costly, prone to ozone generation, or inefficient, and consequently ill-suited for building protection applications. To overcome these issues, we propose to develop and demonstrate a novel bioaerosol ionization and collection system for autonomous, round-the-clock air filtration and protection. The proposed device harnesses advanced aerodynamics-augmented ionizer design and electrode material optimization to enable significant improvement in throughput, ionization efficiency, ozone generation, and maintenance requirements and operating cost. In Phase I, we will perform a comparative study of the most promising design using high-fidelity simulation tools, followed by prototype fabrication and experimental characterization to demonstrate a laboratory-scale prototype and establish proof-of-principle of the proposed technology. In Phase II, novel designs for electrostatic collection of the charged aerosols will be explored and tested, which will be combined with the finalized ionizer design to form an integrated, automated air filtration system. The integrated systems will be refined for enhanced performance (ionization and removal efficiencies and ozone generation, energy consumption, and operating cost), ease of operation, and manufacturability. It will be extensively tested using composite biological sample matrix at various environmental and loading conditions. The final product will be a fully automated, continuous, safe air ionization and collection system with ready deployability in real environments.

* information listed above is at the time of submission.

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