AN account is given or the principle of a three‐dimensional shadowgraph recorder, its exemplification in the laboratory and its application to models in open and closed jets. Details are given of photographical, mechanical and graphical methods of reconstruction of the form of the shock wave from the records obtained, including correction for refraction due to thick glass walls of tunnels.
Lamplough, F.E. (1951), "Shock‐Wave Shadow Photography in Tunnel and in Flight: The Practical Application of Optical Principles to the Investigation of a Full‐Scale Aerodynamic Problem", Aircraft Engineering and Aerospace Technology, Vol. 23 No. 4, pp. 94-103. https://doi.org/10.1108/eb032019
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