Title :
Electrical breakdown in low-pressure propane-oxygen flames with SF 6 and air buffers
Author :
Little, C.E. ; Maìtland, A.
Author_Institution :
Dept. of Phys. & Astron., St. Andrews Univ., UK
fDate :
6/1/1990 12:00:00 AM
Abstract :
A technique is described for investigating electrical breakdown in gases added to the highly reactive, high-temperature (2500 to 2800 K) environments of C3H8/O2 flames at subatmospheric pressures. Some of the characteristics of low-pressure flames are mentioned, the flame apparatus is described, and measurements are presented of breakdown voltage as a function of pressure (and of the product of pressure and electrode separation) in C3H8 /O2 flames with SF6 and air as buffer gases. The measured results show that the dependence on electrode polarity is far stronger for the case of the SF6 buffer
Keywords :
electric breakdown of gases; flames; gaseous insulation; 2500 to 2800 K; O2; SF6; air buffers; breakdown voltage; buffer gases; electrical breakdown; electrode polarity; electrode separation; flame apparatus; low-pressure propane-oxygen flames; pressure; subatmospheric pressures; Atmosphere; Combustion; Electric breakdown; Fires; Fuels; Gas insulation; Gases; Ionization; Physics; Temperature;
Journal_Title :
Electrical Insulation, IEEE Transactions on
