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Journal of the SMPTE ( Volume: 68, Issue: 3, March 1959)
[ACTIVE]

Photographic Method for Hypervelocity Measurements

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
J SMPTE
Volume
68, No. 3, pp. 149–151
Abstract
A slit camera has been designed to permit reliable velocity measurements in low-pressure chambers too small for ballistic pendulums. At two or more viewing ports along a horizontal trajectory, the shadow of the projectile is cast upon a vertical slit. A reduced image of each slit is focused on a film transported in a standard high-speed camera. Timing marks also are put on the film by means of a flashing strobe light. These, together with the measured displacement between projectile images, permit computation of the velocity. The system appears to be the most satisfactory means of attaining accurate hypervelocity measurements. It has been operated with excellent results over a variety of base lengths and gun sizes.
Publication Date
1959-03-01
DOI
10.5594/J14443
ISSN
Print: 0361-4573
Link
https://doi.org/10.5594/J14443
Author(s)
D. A. HallBallistics Branch, Mechanics Div., U.S. Naval Research Laboratory, Washington 25, D.C.
Copyright
© 1959 Society of Motion Picture and Television Engineers, Inc.
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D. A. Hall; Photographic Method for Hypervelocity Measurements, Journal of the SMPTE ( Volume: 68, Issue: 3, March 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J14443
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D. A. Hall; Photographic Method for Hypervelocity Measurements, Journal of the SMPTE ( Volume: 68, Issue: 3, March 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J14443

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D. A. Hall; Photographic Method for Hypervelocity Measurements, Journal of the SMPTE ( Volume: 68, Issue: 3, March 1959); SMPTE, 1959. Available at https://doi.org/10.5594/J14443
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<span class="citation">D. A. Hall; <cite>Photographic Method for Hypervelocity Measurements</cite>, Journal of the SMPTE ( Volume: 68, Issue: 3, March 1959); SMPTE, 1959. Available at <a href="https://doi.org/10.5594/J14443" target="_blank" rel="noopener">https://doi.org/10.5594/J14443</a></span>

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Preview:
D. A. Hall; Photographic Method for Hypervelocity Measurements, Journal of the SMPTE ( Volume: 68, Issue: 3, March 1959); SMPTE, 1959
doi: 10.5594/J14443
url: https://doi.org/10.5594/J14443
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<li>
D. A. Hall; <cite id="bib-10-5594-j14443">Photographic Method for Hypervelocity Measurements</cite>, Journal of the SMPTE ( Volume: 68, Issue: 3, March 1959); SMPTE, 1959
<span class="doi">10.5594/J14443</span>
</li>

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