Studies of elementary processes and coupling involved in the D/sub 2//F/sub 2/ chemical laser. Final report, 1 October 1984-31 December 1985
The performance of a H/sub 2//D/sub 2/ chemical laser is a function of the nascent-energy-disposal parameters for the F + H/sub 2/ (D/sub 2/) and H (D) + F/sub 2/ chemical reactions and the vibrational relaxation of HF (DF). Chemiluminescence Mapping (CM) in which chemical components are observed by their spectral and time resolution is a technique which is capable of providing fundamental information on both nascent energy distributions for bimolecular exchange reactions and vibrational relaxation. Knowledge of the reactants (atoms or ions) and residence times must be known in order to interpret the data. Using a double floating probe the ion content flowing from a microwave discharge of hydrogen was found to be <.0000018 of the total flow, thus ion molecule reactions are unimportant. The interpretation of CM experiments requires realistic modeling to deconvolute the experimental data. Both types of CM experiments provide nascent vibrational energy distributions. CM-LP experiments also provide total reaction rate constants and microscopic relaxation rate constants. In addition to the F + H/sub 2/(D/sub 2/) benchmark reactions, experimental results for H(D) + F/sub 2/, F + HBr, and F + CH/sub 2/C/sub 12/ are discussed and compared to other studies when available.
- Research Organization:
- Iowa Univ., Iowa City (USA). Dept. of Chemistry
- OSTI ID:
- 6712272
- Report Number(s):
- AD-A-175421/7/XAB; UI-CHEM-DCT-86
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420300* -- Engineering-- Lasers-- (-1989)
ATOMS
CHARGED PARTICLES
CHEMICAL LASERS
DEUTERIUM
DEUTERIUM COMPOUNDS
ELEMENTS
ENERGY SPECTRA
ENERGY TRANSFER
FLUORINE
HALOGENS
HYDROGEN
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
IONS
ISOTOPES
KINETICS
LASERS
LIGHT NUCLEI
MOLECULES
NONMETALS
NUCLEI
ODD-ODD NUCLEI
PROBES
REACTION KINETICS
RELAXATION
RESOLUTION
SPECTRA
STABLE ISOTOPES