Measurement of the slope of an unsteady liquid surface along a line by an anamorphic schlieren system

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We describe and test a simple quantitative schlieren method for measuring the slope of an unsteady free liquid surface along a straight segment. The optical system, based on an anamorphic element placed at the focal plane of a standard objective, forms a distorted image of the illuminated segment on...

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Detalles Bibliográficos
Autor principal: Thomas, L.
Otros Autores: Gratton, R., Marino, B., Betelú, Santiago Ignacio, Diez, Javier Alberto, Simon, J.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: Institute of Physics Publishing 1996
Acceso en línea:Registro en Scopus
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100 1 |a Thomas, L. 
245 1 0 |a Measurement of the slope of an unsteady liquid surface along a line by an anamorphic schlieren system 
260 |b Institute of Physics Publishing  |c 1996 
270 1 0 |m Thomas, L.; Inst. de Física Arroyo Seco, Facultad de Ciencias Exactas, Univ. Nac. Ctro. Provincia Buenos A., Pinto 399, Provincia de Buenos Aires, Argentina 
504 |a De Gennes, P.G., Wetting, static and dynamic (1985) Rev. Mod. Phys., 57, pp. 827-863 
504 |a Diez, J., Gratton, R., Thomas, L., Marino, B., Laplace pressure driven drop spreading (1993) Phys. Fluids, 6, pp. 24-33 
504 |a Diez, J., Gratton, R., Thomas, L., Marino, B., Laplace pressure driven drop spreading: Quasi self similar solution (1994) J. Colloid Interface Sci., 168, pp. 15-20 
504 |a Thomas, L., Gratton, R., Marino, B., Diez, J., Droplet profiles obtained from the intensity distribution of refraction patterns (1995) Appl. Opt., 34, pp. 5840-5848 
504 |a Thomas, L., Gratton, R., Marino, B., Simon, J., Measurements of free-surface profile in transient flow with a simple light-slicing method (1994) J. Appl. Opt., 33, pp. 2455-2458 
504 |a Vasil'ev, L.A., (1971) Schlieren Methods, , New York: Israel Program for Scientific Translations 
504 |a Merzkirch, W., (1987) Flow Visualisation 2nd Edn, , London: Academic 
504 |a McAdam, D.W., Hautmann, E.G., Optical measurements of liquid film profile and dynamic contact angle (1976) Appl. Opt., 14, pp. 1764-1765 
504 |a Svensson, H., Direkte photographische Aufnahme von Elektrophorese-Diagrammem (1939) Kolloid Z., 87, pp. 181-186 
504 |a Philpot, J.S.L., Direct photography of ultracentrifuge sedimentation curves (1938) Nature, 141, pp. 283-284 
504 |a Longsworth, L.G., A modification of the schlieren method for use in electrophoretic analysis (1939) J. Am. Chem. Soc., 61, pp. 529-530 
504 |a Knöös, S., (1968) Proc. 8th Int. Congress on High-Speed Photography, pp. 346-350. , New York: Academic 
504 |a Schmidt, H., Ruckle, B., Beam deviation method as a diagnostic tool for the plasma focus (1978) Appl. Opt., 17, pp. 1275-1279 
504 |a Camagni, M.C., Gratton, R., Pais, V., Szapiro, B., On a refractive optical probing method for density measurements in gases and plasma (1985) Ópt. Pura Apl., 18, pp. 153-158 
504 |a Brochard-Wyart, F., Hervet, H., Redon, C., Rondelez, F.J., Spreading of 'heavy' droplets (1991) Colloid Interface Sci., 142, pp. 518-527 
504 |a Levinson, P., Cazabat, A.M., Cohen Stuart, M.A., Heslot, F., Nicolet, S., The spreading of macroscopic droplets (1988) Rev. Phys. Appl., 23, pp. 1009-1016 
506 |2 openaire  |e Política editorial 
520 3 |a We describe and test a simple quantitative schlieren method for measuring the slope of an unsteady free liquid surface along a straight segment. The optical system, based on an anamorphic element placed at the focal plane of a standard objective, forms a distorted image of the illuminated segment on a screen. The abscissa of the resulting bright curve is proportional to the coordinate along the segment and the ordinate to the longitudinal slope at the corresponding coordinate, provided that the transverse slope component is negligible. The method is useful to probe axisymmetric flows along a diameter or flows in straight channels along the axis.  |l eng 
593 |a Inst. de Física Arroyo Seco, Facultad de Ciencias Exactas, Univ. Nac. Ctro. Provincia Buenos A., Pinto 399, Provincia de Buenos Aires, Argentina 
593 |a Laboratorio de Optica, Univ. de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
690 1 0 |a IMAGING TECHNIQUES 
690 1 0 |a LIGHT 
690 1 0 |a LIQUIDS 
690 1 0 |a MEASUREMENTS 
690 1 0 |a OPTICAL INSTRUMENT LENSES 
690 1 0 |a STANDARDS 
690 1 0 |a SURFACES 
690 1 0 |a ABSCISSA 
690 1 0 |a ANAMORPHIC ELEMENT 
690 1 0 |a ANAMORPHIC SCHLIEREN SYSTEM 
690 1 0 |a AXISYMMETRIC FLOWS 
690 1 0 |a LONGITUDINAL SLOPE 
690 1 0 |a STRAIGHT CHANNELS 
690 1 0 |a UNSTEADY LIQUID SURFACE 
690 1 0 |a SCHLIEREN SYSTEMS 
690 1 0 |a FLOW MEASUREMENT 
690 1 0 |a OPTICAL TECHNIQUES 
690 1 0 |a UNSTEADY FLOW 
700 1 |a Gratton, R. 
700 1 |a Marino, B. 
700 1 |a Betelú, Santiago Ignacio 
700 1 |a Diez, Javier Alberto 
700 1 |a Simon, J. 
773 0 |d Institute of Physics Publishing, 1996  |g v. 7  |h pp. 1134-1139  |k n. 8  |p Meas. Sci. Technol.  |x 09570233  |t Measurement Science and Technology 
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856 4 0 |u https://hdl.handle.net/20.500.12110/paper_09570233_v7_n8_p1134_Thomas  |x handle  |y Handle 
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