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Electron recombination and diffusion in CO at elevated temperature
- Source :
- Canadian Journal of Physics. 47:1789-1795
- Publication Year :
- 1969
- Publisher :
- Canadian Science Publishing, 1969.
-
Abstract
- The electron time decay in an afterglow following a short pulsed d.c. discharge in CO has been investigated using microwave diagnostic techniques. The gas was heated to an average temperature of 775 °K. Two-body electron-ion recombination and ambipolar diffusion were found to be the only important electron removal mechanisms present in the pressure interval [Formula: see text] Torr with the rate constants αr = 3.9 × 10−7 cm3 s−1 and Dap0 = 372 cm2 s−1 Torr respectively. If we postulate a T−γ dependence for αr, comparison with room temperature results yields γ = 0.57. The diffusion coefficient appears to increase strongly with temperature based upon an estimated zero field mobility for CO+in CO at 273 °K found in the literature.
Details
- ISSN :
- 12086045 and 00084204
- Volume :
- 47
- Database :
- OpenAIRE
- Journal :
- Canadian Journal of Physics
- Accession number :
- edsair.doi...........829eecf7e177a8d331e6dffefd3a8683