An Instrument to Measure Aircraft Sulfate Particle Emissions

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$749,997.00
Award Year:
2012
Program:
SBIR
Phase:
Phase II
Contract:
NNX12CA70C
Award Id:
n/a
Agency Tracking Number:
105179
Solicitation Year:
2010
Solicitation Topic Code:
A2.02
Solicitation Number:
n/a
Small Business Information
45 Manning Road, Billerica, MA, 01821-3976
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
030817290
Principal Investigator:
Jay Peck
Principal Investigator
(978) 932-0277
jpeck@aerodyne.com
Business Contact:
George Wittreich
Business Official
(978) 932-0215
gnw@aerodyne.com
Research Institute:
Stub




Abstract
Aerodyne is developing a sulfate detection instrument, based on the Tunable Infrared Laser Differential Absorption Spectrophotometer (TILDAS) technology and therefore termed the "TILDAS-sulfate" instrument, for measurement of the size-resolved sulfate PM emissions of aircraft engine combustion. Over the past 10 years and through a series of NASA led efforts, the Aerodyne Research Inc emissions team has made a series of contributions to on-going NASA programs to characterize aircraft engine emissions. Despite progress, significant knowledge gaps exist?especially for combustion emissions of alternatives to petroleum jet fuel. During this SBIR effort, we tested instrument performance in the absence of interferences, in the presence of>20-fold excess sulfur dioxide interference, in the presence of a combustion gases containing nitrogen oxide and hydrocarbons as potential interferences, and for particles ranging in size from 100 to 300 nm. Instrument sensitivity was shown to be at least 600 ng per meter cubed (on a 1-sec cycle). In Phase II, we plan to: upgrade the instrument and incorporate improvements to Aerodyne's TILDAS technology to improve the detection limit to as low as 60 ng per meter cubed?on a 1-sec data acquisition cycle; test the upgraded instrument in the laboratory; demonstrate the instrument in the field for characterization of aircraft engine particle emissions.

* information listed above is at the time of submission.

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