THE SEQUENTIAL SPARK TECHNIQUE: A TOOL FOR WAKE VELOCITY STUDIES IN BALLISTIC RANGES

Authors
  1. Lahaye, C.
  2. Leger, E.G.
  3. Dufresne, M.
  4. and others
Corporate Authors
Defence Research Establishment Valcartier, Valcartier QUE (CAN)
MONITOR AGENCY
Advanced Research Projects Agency, Washington DC(US)
Abstract
This report presents a comprehensive review of the sequential spark technique. A description is given of the equipment which has been designed to produce the sparks. A new technique developed to select and switch the position of the spark in an array of electrodes is also explained. This technique as applied to sphere wake measurements has permitted the production of multiple velocity profiles in the wake of the same projectile. The recording and data reduction method is described. Accuracy and resolution of the technique are discussed. Finally typical results are given and environmental conditions under which the sequential spark technique is applicable are outlined.
Report Number
646/71 — Paper presented at the 4th ICIASF Congress held at the Von Karman Institute, Rhode-Saint-Genese, Belgium, 21-23 June 1971 and was publishedin the ICIASF 1971 Record
Date of publication
15 Nov 1971
Number of Pages
28
DSTKIM No
72-00214
CANDIS No
12417
Format(s):
Hardcopy;Originator's fiche received by DSIS

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