THE SAWTOOTH COLUMN OF THE SUPERSONIC ELECTRIC ARC IN SULFUR HEXAFLUORIDE.

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Abstract:

A fine sawtooth structure is reported for the slanted supersonic electric arc in sulfur hexafluoride. This structure results in an apparent crossflow Mach number for the arc column which can be considerably higher than the actual crossflow Mach number. Experimental observations indicate that for arc Mach numbers from 1.3 to 5.4, the actual crossflow Mach number is very nearly equal to unity. Two models for the sawtooth column are considered. Agreement is found between the sawtooth models and experimental observations. Implications for the mechanism of column slanting are discussed. Author

Author(s):
Bond, Charles E.
Author Organization(s):
PURDUE UNIV LAFAYETTE IND PROJECT SQUID HEADQUARTERS
Descriptive Note:
Technical rept.,
Supplementary Note:
Prepared in cooperation with Illinois Univ., Urbana.
Pagination:
0031

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
SQUID-TR-ILL-20-PU
Contract/Grant Number(s):
N00014-67-A-0226-0005
Project Number(s):
NR-098-038
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
(*SULFUR COMPOUNDS, *ELECTRIC ARCS), (*GAS DISCHARGES, CONFIGURATION), FLUORIDES, MACH NUMBER, MAGNETOHYDRODYNAMICS, SUPERSONIC FLOW, PLASMAS(PHYSICS)
Field(s)/Group(s):
Plasma Physics and Magnetohydrodynamics
Keyword(s):
SULFUR HEXAFLUORIDE
Report Date:
1969 Dec 01