Shadowgraph and schlieren methods have served to image shock waves for almost 150 years, but the traditional field-of-view of these instruments is often too small for large-scale experiments. On the other hand, optical methods to reveal shock waves in the field (e.g. background distortion and sunlight shadowgraphy) are often crude and weather-dependent. Between these extremes lie some useful but little-used optical approaches for large fields-of-view, two of which are exemplified here.
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Biss, M., Settles, G., Hargather, M., Dodson, L., Miller, J. (2009). High-speed digital shadowgraphy of shock waves from explosions and gunshots. In: Hannemann, K., Seiler, F. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-85168-4_13
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DOI: https://doi.org/10.1007/978-3-540-85168-4_13
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