Abstract
The principles of shadowgraph photography are described in this work together with a few examples of its utilisation in the study of free liquid surfaces. Shadowgraph photography is utilized in combination with high speed imaging and image analysis to study the behaviour of sub-millimetre and millimetre-sized droplets and jets. The temporal and physical scales of these examples cover operational ranges of industrial, commercial, and academic interest. The aim of this work is to summarize the necessary optical and illumination properties to design an appropriate shadowgraph imaging system.
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Acknowledgments
This work was partially supported by the UK EPSRC and industrial partners in the Innovation in Industrial Inkjet Technology project. JRCP acknowledges support from the Grupo Santander Academic Travel Fund of the University of Cambridge. The authors are grateful for the assistance of J. Waldmeyer during the recording of the CIJ stroboscopic images.
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Castrejón-Pita, J.R., Castrejón-García, R., Hutchings, I.M. (2013). High Speed Shadowgraphy for the Study of Liquid Drops. In: Klapp, J., Medina, A., Cros, A., Vargas, C. (eds) Fluid Dynamics in Physics, Engineering and Environmental Applications. Environmental Science and Engineering(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27723-8_8
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