Ultrasonic Detector for Carbon Dioxide

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$100,000.00
Award Year:
2002
Program:
SBIR
Phase:
Phase I
Contract:
DE-FG03-02ER83353
Award Id:
57130
Agency Tracking Number:
70042S02-I
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
17222 S. Golden Road, PO Box 288, Golden, CO, 80402
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
John Birks
(303) 492-7018
johnb@twobtech.com
Business Contact:
Mark Bollinger
70042
(303) 273-0559
markb@twobtech.com
Research Institution:
n/a
Abstract
70042 The quantification of sources and sinks of atmospheric carbon dioxide would be greatly facilitated by the development of a new detector for this important greenhouse gas. In particular a lightweight CO2 sonde, similar to the widely used ozonesonde, could be used to estimate landscape-scale fluxes of CO2 characteristic of ¿ 100 km2 from vertical profiles through the convective boundary layer. This project will develop a new CO2 detector based on the measurement of the speed of sound in air. In addition to its applicability to fixed ground-based and tower-based measurements, the new instrument will be sufficiently lightweight and inexpensive to be used as a release sonde. The ultrasonic detector will be highly selective for CO2 and have a precision of one part in 3000 or better, corresponding to a detection limit of 0.1 ppmv. In Phase I, the ultrasonic detector will be designed, constructed, and optimized for the sensitive detection of CO2 in air. The new instrument will be evaluated with respect to analytical figures of merit, including precision, accuracy, limit of detection, linear range and selectivity. Commercial Applications and Other Benefits as described by the awardee: The CO2 ultrasonic detector should have commercial applicability for a wide range of applications in addition to carbon cycling studies. These include the analysis of atmospheric gases for water vapor and compressed gas analysis for the semiconductor and natural gas industries.

* information listed above is at the time of submission.

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