You are here

DEVELOPMENT OF HYBRID MODEL FOR ASSESSING CONCENTRATIONS OF TOXIC EFFLUENT AT AIR FORCE INSTALLATIONS

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 12319
Amount: $49,976.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1990
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
1415 Blue Spruce Dr
Fort Collins, CO 80524
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Ronald L Petersen
 (303) 221-3371
Business Contact
Phone: () -
Research Institution
N/A
Abstract

PRESENT COMPUTER MODELS USED TO PREDICT VAPOR CLOUD LENGTH, CONCENTRATION AND DURATION AT AIR FORCE INSTALLATIONS DO NOT PROPERLY ACCOUNT FOR THE EFFECTS OF STRUCTURES. STRUCTURES CAN ACT TO TRAP THE CLOUD AND INCREASE THE CLOUD DIMENSIONS, THEREBY POSSIBLY REDUCING DOWNWIND CONCENTRATIONS AND INCREASING THE CLOUD'S LATERAL EXTENT. RECENT RESEARCH CONDUCTED BY CPP HAS SHOWN THAT THE TRAPPING AND INCREASED DISPERSION EFFECT VARIES SIGNIFICANTLY WITH SITE GEOMETRY. USE OF NUMERICAL MODELS ALONE WILL NOT LIKELY PROVIDE SUFFICIENTLY ACCURATE CONCENTRATION ESTIMATES. TO PROVIDE ACCURATE ESTIMATES, CPP IS PROPOSING TO DEVELOP A HYBRID MODELING APPROACH. THE HYBRID MODEL IS DEVELOPED USING WIND TUNNEL MODELING FOR NEARFIELD DISPERSION ESTIMATES AND STANDARD REGULATORY OR HEAVIOR-THANAIR MODELS FOR FARFIELD ESTIMATES. THE FARFIELD ESTIMATES ARE OBTAINED BY INITIALIZING THE NUMERICAL MODELS USING THE WIND TUNNEL MEASUREMENTS AT THE POINT WHERE THE CLOUD IS SIGNIFICANTLY LARGER THAN THE STRUCTURES ASSOCIATED WITH THE INSTALLATION.

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

US Flag An Official Website of the United States Government