You are here

Differential Photoacoustic Particle Absorption Monitor

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX13CL42P
Agency Tracking Number: 124103
Amount: $124,997.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: S1.08
Solicitation Number: N/A
Solicitation Year: 2012
Award Year: 2013
Award Start Date (Proposal Award Date): 2013-05-23
Award End Date (Contract End Date): 2013-11-23
Small Business Information
45 Manning Road
Billerica, MA 01821-3976
United States
DUNS: 030817290
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Zhenhong Yu
 Principal Investigator
 (978) 932-0265
Business Contact
 George Wittreich
Title: Business Official
Phone: (978) 932-0215
Research Institution

We propose to develop a highly sensitive and compact monitor to measure light absorption from particulate matters. The fundamental of the proposed device is based on differential photoacoustic absorption spectroscopy (DPAS). It will be able to be remotely controlled and operated at high altitude. Background interference from NO2 absorption and acoustic noise of aircraft engines will be significantly reduced due to a specific acoustic cell design.The Phase I project will provide a proof-of-concept demonstration. The ultimate goal of this study is to design and construct a portable PM absorption monitor for NASA's airborne measurement programs. The tasks of the proposal will include:1) Construction of a laboratory prototype DPAS PM absorption monitor;2) Development of an absorption calibration scheme;3) Comparative study on optical absorption of laboratory sootparticles with multi-angle absorption photometer (MAAP); and4) Performance evaluation at a variety of sampling pressure.This SBIR Phase study will be performed by Aerodyne Research, Inc., in collaboration with United Technologies Research Center (UTRC). Both companies have been major participants in past NASA/FAA-sponsored aircraft emissions programs with extensive experiences in the study of PM optical absorption as well as soot formation and evolution in the atmosphere.

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

US Flag An Official Website of the United States Government