FLOW AFTERGLOW DESIGN

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: N/A
Agency Tracking Number: 5833
Amount: $49,403.00
Phase: Phase I
Program: SBIR
Awards Year: 1987
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
Extrel Corp
Po Box 11512 - 240 Alpha Dr, Pittsburgh, PA, 15238
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 WADE L FITE
 (412) 782-3884
Business Contact
Phone: () -
Research Institution
N/A
Abstract
THIS PROPOSAL IS FOR THE CONSTRUCTION OF AN ADVANCED FLOWING AFTERGLOW APPARATUS WITH SUFFICIENT PUMPING SPEED TO HANDLE BOTH NEUTRAL-NEUTRAL AND ION-NEUTRAL REACTION RATE COEFFICIENT MEASUREMENTS. THREE NEUTRAL-NEUTRAL FLOW TUBES OF DIFFERENT DIAMETERS ARE PROVIDED TO BE ABLE TO ASSESS WALL EFFECTS. ONE GENERAL PURPOSE ION-MOLECULE FLOW TUBE IS PROVIDED. THE ION DETECTOR IS A TRIPLE QUADRUPOLE TANDEM MASS SPECTROMETER WHICH ALLOWS ABSOLUTE DETERMINATION OF THE CHEMICAL NATURE OF THE IONS OBSERVED. IN THE NEUTRAL-NEUTRAL EXPERIMENTS THE SAMPLE IS PRESENTED TO THE MS/MS IONIZER AS A MODULATED MOLECULAR BEAM TO DISTINGUISH IONS FORMED FROM MOLECULES IN THE BEAM FROM THOSE IN THE RESIDUAL GAS IN THE VACUUM CHAMBER. OPTICAL WINDOWS ALONG THE LENGTHS OF THE FLOW TUBES PERMIT DETECTION OF REACTANTS AND PRODUCTS BY SPECTROSCOPIC MEANS INCLUDING LASER ABW SORPTION AND FLUORESCENCE. THE INSTRUMENT IS HARDENED TO ALLOW ITS USE WITH CORROSIVE GASES. A GAS HANDLING SYSTEM IS PROVIDED TO ALLOW PRECISE MEASUREMENTS OF GAS FLOWS OVER THE WIDE RANGE REQUIRED FOR BOTH ION-NEUTRAL AND NEUTRAL-NEUTRAL REACTION STUDIES. AN IBM-PC BASED DATA SYSTEM IS PROVIDED.

* information listed above is at the time of submission.

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