MEASUREMENT OF COMBUSTION RADICALS USING VISIBLE/NEAR INFRARED DIODE LASERS

Award Information
Agency:
Department of Energy
Branch
n/a
Amount:
$499,042.00
Award Year:
1992
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
14524
Agency Tracking Number:
14524
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1570 Pacheco Street, Suite E-11, Santa Fe, NM, 87501
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Dr Joel A Silver
Principal Investigator
() -
Business Contact:
(505) 984-1322
Research Institution:
n/a
Abstract
TO ACHIEVE A DETAILED AND QUANTITATIVE UNDERSTANDING OF COMBUSTION CHEMISTRY, NEW DIAGNOSTIC METHODS THAT CAN QUANTIFY THE IMPORTANT REACTIVE SPECIES PRESENT IN A COMBUSTION SYSTEM ARE REQUIRED. MOST EXISTING LASER-BASED TECHNIQUES ARE UNABLE TO PROVIDE ABSOLUTE SPECIES NUMBER DENSITIES AND USUALLY REQUIRE VERY HIGH COST LASERS. THIS PROJECT STUDIES A NEW LASER-BASED COMBUSTION DIAGNOSTIC THATCOMBINES TWO RECENT TECHNOLOGICAL ADVANCES-THE USE OF INEXPENSIVE VISIBLE OR NEAR-INFRARED DIODE LASERS AND HIGH FREQUENCY WAVELENGTH MODULATION SPECTROSCOPY-TO ACHIEVE QUANTITATIVE, HIGHLY SENSITIVE, AND RAPID TIME RESPONSE DETECTION OF COMBUSTION REACTION INTERMEDIATES. PHASE I EXPERIMENTS FOCUS ON MEASURING THE KEY SPECTRAL PARAMETERS OF A REPRESENTATIVE SPECIES, THE FORMYL RADICAL (HCO), AND DETERMINING THE DETECTION LIMITS FOR THE RADICAL IN A COMBUSTION ENVIRONMENT. THE RESULTS WILL PROVIDE THE BASIS FOR DEVELOPING A PROTOTYPE INSTRUMENT FOR IN-SITU COMBUSTIONSTUDIES IN PHASE II.

* information listed above is at the time of submission.

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