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Journal of the SMPTE ( Volume: 74, Issue: 8, August 1965)
[ACTIVE]

The Double Knife-Edge Technique for Improved Schlieren Sensitivity in Low-Density Hypersonic Aerodynamic Testing

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
The double knife-edge modification of the classical “Z”-type Toepler schlieren system to provide a symmetrical double knife-edge cutoff at the schlieren image is illustrated and described. Experimental results of the use of this improved diagnostic technique for the visualization of low-density hypersonic flow field schlieren are included. Single and double knife-edge schlieren photographs made with the same schlieren system at similar low-density hypersonic flow field conditions are compared and the advantages and disadvantages of both techniques are discussed. The relationship of light-source image size to double knife-edge separation and its effect on schlieren photograph exposure quality are also illustrated and discussed.
Publication Date
1965-08-01
DOI
10.5594/J06018
Link
https://doi.org/10.5594/J06018
Author(s)
William A. Stolzenburg
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William A. Stolzenburg; The Double Knife-Edge Technique for Improved Schlieren Sensitivity in Low-Density Hypersonic Aerodynamic Testing, Journal of the SMPTE ( Volume: 74, Issue: 8, August 1965); SMPTE, 1965. Available at https://doi.org/10.5594/J06018
Snippet:
William A. Stolzenburg; The Double Knife-Edge Technique for Improved Schlieren Sensitivity in Low-Density Hypersonic Aerodynamic Testing, Journal of the SMPTE ( Volume: 74, Issue: 8, August 1965); SMPTE, 1965. Available at https://doi.org/10.5594/J06018

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William A. Stolzenburg; The Double Knife-Edge Technique for Improved Schlieren Sensitivity in Low-Density Hypersonic Aerodynamic Testing, Journal of the SMPTE ( Volume: 74, Issue: 8, August 1965); SMPTE, 1965. Available at https://doi.org/10.5594/J06018
Snippet:
<span class="citation">William A. Stolzenburg; <cite>The Double Knife-Edge Technique for Improved Schlieren Sensitivity in Low-Density Hypersonic Aerodynamic Testing</cite>, Journal of the SMPTE ( Volume: 74, Issue: 8, August 1965); SMPTE, 1965. Available at <a href="https://doi.org/10.5594/J06018" target="_blank" rel="noopener">https://doi.org/10.5594/J06018</a></span>

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Preview:
William A. Stolzenburg; The Double Knife-Edge Technique for Improved Schlieren Sensitivity in Low-Density Hypersonic Aerodynamic Testing, Journal of the SMPTE ( Volume: 74, Issue: 8, August 1965); SMPTE, 1965
doi: 10.5594/J06018
url: https://doi.org/10.5594/J06018
Snippet:
<li>
William A. Stolzenburg; <cite id="bib-10-5594-j06018">The Double Knife-Edge Technique for Improved Schlieren Sensitivity in Low-Density Hypersonic Aerodynamic Testing</cite>, Journal of the SMPTE ( Volume: 74, Issue: 8, August 1965); SMPTE, 1965
<span class="doi">10.5594/J06018</span>
</li>