Vibrational Energy Exchange and Deactivation Processes in the HF-DF, HR-CO and DF-CO Systems from 205°K to 675°K PDF Download
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Author: Roy Alan Lucht
Publisher:
ISBN:
Category : Energy transfer
Languages : en
Pages : 232
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Book Description
Author: Roy Alan Lucht
Publisher:
ISBN:
Category : Energy transfer
Languages : en
Pages : 232
Get Book Here
Book Description
Author: Roy Alan Lucht
Publisher:
ISBN:
Category : Energy transfer
Languages : en
Pages : 280
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Book Description
Author: Jeffrey Leonard Ahl
Publisher:
ISBN:
Category : Energy transfer
Languages : en
Pages : 150
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Book Description
Author: Mark A. Muyskens
Publisher:
ISBN:
Category :
Languages : en
Pages : 372
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Book Description
Author: J. F. Bott
Publisher:
ISBN:
Category :
Languages : en
Pages : 13
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Book Description
Water is often present as an impurity in HF chemical laser systems and can affect laser performance because of the large HF(1) - H2O deactivation rate coefficient. Diatomic molecules have been found to deactivate the higher vibrational levels of HF(v) with rate coefficients that scale with v as v superscript n where n = 2.7 when the deactivation process is exothermic. This scaling does not hold for HF(v) - H2 collisions in which the primary deactivation process is an endothermic V-V transfer with the endothermicity increasing with v. The room temperature (T = 295 K) deactivation rate of HF (v = 3) by H2O has been measured to be faster than the deactivation rate of HF(v = 1) by H2O by a factor of 3.9. On the basis of a previously reported measurement of the HF(v = 1) - H2O rate coefficient, the deactivation rate coefficient of HF(v = 3) by H2O is estimated to be 16 microseconds/Torr, which is a factor of 3 faster than the hard sphere collision rate. The theoretical implication of this fast-rate coefficient are reviewed. Keywords: Chemical kinetics; Vibrational deactivation.
Author: Jerry F. Bott
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Book Description
The V-V energy transfer rates from DF (v = 1) to HCl, HBr, DBr, D2, N2, O2, CO, and NO were measured at temperatures from 295 to 800K. The measurements were made behind reflected shock waves with the laser-induced fluorescence technique. Several rates of V-R, T deactivation by DF were also obtained. (Modified author abstract).
