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Published April 1, 1962 | public
Journal Article Open

Orifice plates in a shock tube


This note points out some interesting aspects of a recent study of the flow resulting from the use of area change near the diaphragm of a shock tube. (1) Earlier studies (2,3) have been directed toward the use of area change for increasing the available shock speed, and thus have considered geometries where A4/A1 > 1 and A*/A1 = 1 [see notation on Fig. 1(a)]. In the current work, shock tubes with arbitrary values of these parameters are considered over the complete range of Ms (the shock Mach number).

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©1962 The American Institute of Physics. Received November 1, 1961. The work discussed in this paper was carried out under the sponsorship and with the financial support of the Office, Chief of Ordnance, Army Ballistics Missile Agency, and the Office of Ordnance Research, U. S. Army.


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