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Shock Waves in Chemical Kinetics


Britton, John Doyle (1955) Shock Waves in Chemical Kinetics. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/Y16V-VY27.


NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document. The rates of dissociation of I[subscript 2] in N[subscript 2] and CO[subscript 2], and Br[subscript 2] in A were measured at temperatures around 1300[degrees]K by heating room temperature mixtures by means of shock waves and observing the subsequent reactions. The rates of recombination of both I[subscript 2] and Br[subscript 2] were found to decrease with increasing temperature. The results, combined with room temperature measurements seemed to be best expressed in the form K[subscript R] = A exp([...]/RT). Attempts to measure the efficiency of I[subscript 2] or Br[subscript 2] molecules as third bodies for the recombination gave only rather wide limits to the possible values. The experiments also showed that CO[subscript 2] is vibrationally relaxed at high temperatures in a time short compared to the reaction time of 20-200 microseconds. It was not possible to decide whether or not N[subscript 2] is vibrationally relaxed at this temperature in this short time. Extinction coefficients of I[subscript 2] and Br[subscript 2] were measured as a function of the temperature. They appeared to be dependent on the inert gas.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:(Chemistry and Mathematics)
Degree Grantor:California Institute of Technology
Division:Chemistry and Chemical Engineering
Major Option:Chemistry
Minor Option:Mathematics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Davidson, Norman R.
Thesis Committee:
  • Unknown, Unknown
Defense Date:1 January 1955
Record Number:CaltechETD:etd-11262003-143942
Persistent URL:
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4670
Deposited By: Imported from ETD-db
Deposited On:26 Nov 2003
Last Modified:10 Jul 2023 17:33

Thesis Files

PDF (Britton_jd_1955.pdf) - Final Version
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