The Visible Radiation from Helium in a Strong Shock Wave Page: 6
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Explosive Shock Tube
The explosive shock tube used here may be considered as a conven-
tional shock tube vlth the driver section and diaphragm replaced by a
block of high explosive. The details of the shock tube are shown sche-
matically in Fig. 1. It consisted of a cylindrical Pyrex tube with one
end closed by a flat Pyrex plate and the open end sealed to the explosive.
A 1/8" diameter hole was located in the side for pumping and filling.
The high explosive was also cylindrical In shape One end was coated vlth
a thin (^0.010") layer of a hard black plastic called Furane Adhesive
Type X-2* to provide a vacuum tight surface on the explosive and an opaque
layer In front of the explosive light. The surface of the Furane was
polished flat with grinding compound before being cemented to the Pyrex
tube to help in maintaining a plane shock wave. The reasons for requiring
a plane wave will be discussed below. The charge was cemented to the end
of the Pyrex tube vlth Armstrong A-l Cement.
The shock tube Just described grew out of several less successful
^Manufactured by Furane Plastics Incorporated, 719 West Broadway,
Glendale 4, California.
Manufactured by Armstrong Products Company, 455 Argonne Road,
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Seay, Glenn Emmett. The Visible Radiation from Helium in a Strong Shock Wave, report, January 1957; Los Alamos, New Mexico. (https://digital.library.unt.edu/ark:/67531/metadc502356/m1/13/: accessed July 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.