Search Results - "Pandolfini, P."

Surface dilational rheological properties in the nonlinear domain by Bykov, A.G., Liggieri, L., Noskov, B.A., Pandolfini, P., Ravera, F., Loglio, G.

“…The interfacial tension response to dilational deformation of interfacial area exhibits a (more or less) nonlinear behavior, depending on the amplitude of the…”
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Fast dynamic interfacial tension measurements and dilational rheology of interfacial layers by using the capillary pressure technique by Javadi, A., Krägel, J., Makievski, A.V., Kovalchuk, V.I., Kovalchuk, N.M., Mucic, N., Loglio, G., Pandolfini, P., Karbaschi, M., Miller, R.

“…[Display omitted] ► Fast dynamic interfacial tension measurements as short as 10−2s are achieved. ► Fast oscillating drop experiments for studies of dilational…”
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Drop and bubble micro manipulator (DBMM)—A unique tool for mimicking processes in foams and emulsions by Won, J.Y., Krägel, J., Makievski, A.V., Javadi, A., Gochev, G., Loglio, G., Pandolfini, P., Leser, M.E., Gehin-Delval, C., Miller, R.

“…•Description of a novel measuring technique for coalescence studies.•Coalescence behaviour of two single drops or bubbles as model for foams and…”
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Determination of the dilational viscoelasticity by the oscillating drop/bubble method in a capillary pressure tensiometer by Ravera, F., Loglio, G., Pandolfini, P., Santini, E., Liggieri, L.

“…The Capillary Pressure Tensiometry is an effective technique for dilational rheological investigations when it is used according to the oscillating drop/bubble…”
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Short time dynamic interfacial tension as studied by the growing drop capillary pressure technique by Javadi, A., Krägel, J., Pandolfini, P., Loglio, G., Kovalchuk, V.I., Aksenenko, E.V., Ravera, F., Liggieri, L., Miller, R.

“…For the characterisation of interfaces between two immiscible liquids, capillary pressure tensiometry is the most versatile method. To measure short time…”
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Capillary pressure studies under low gravity conditions by Kovalchuk, V.I., Ravera, F., Liggieri, L., Loglio, G., Pandolfini, P., Makievski, A.V., Vincent-Bonnieu, S., Krägel, J., Javadi, A., Miller, R.

“…For the understanding of short-time adsorption phenomena and high-frequency relaxations at liquid interfaces particular experimental techniques are needed. The…”
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Spherical cap-shaped emulsion films: thickness evaluation at the nanoscale level by the optical evanescent wave effect by Gabrieli, R., Loglio, G., Pandolfini, P., Fabbri, A., Simoncini, M., Kovalchuk, V.I., Noskov, B.A., Makievski, A.V., Krägel, J., Miller, R., Ravera, F., Liggieri, L.

“…Time evolution of the thickness for an emulsion film, constituted by SDS-aqueous solution (concentration c=0.02mol/dm3) in hydrocarbon matrix (n-decane). Blue…”
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Calibration parameters of the pendant drop tensiometer: assessment of accuracy by Loglio, G, Pandolfini, P, Makievski, A.V, Miller, R

“…A method is reported for verifying and controlling the accuracy of the calibration parameters, operating in image acquisition, for drop and bubble…”
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Film tension and dilational film rheology of a single foam bubble by Kovalchuk, V.I., Makievski, A.V., Krägel, J., Pandolfini, P., Loglio, G., Liggieri, L., Ravera, F., Miller, R.

“…The balance of normal and tangential forces in the liquid film of a foam bubble yields equations which describe the shape of bubbles under gravity conditions…”
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Measurements of interfacial properties with the axisymmetric bubble-shape analysis technique: effects of vibrations by Loglio, G., Pandolfini, P., Tesei, U., Noskov, B.

“…We studied the effects of perturbation by vibration on the surface tension and surface area data obtained with the bubble-profile fitting method, using a…”
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A software-driven apparatus designed for measuring geometrical and physical properties of a large bubble formed at a capillary tip by Loglio, G., Tesei, U., Pandolfini, P., Cini, R.

“…We describe the construction of a software-driven instrument for the measurement of the properties of gas-liquid interfaces under not-far-from-equilibrium…”
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Oscillating bubble tensiometer: application for studying the interfacial properties of clouds and aerosols by Loglio, G., Noskov, B., Pandolfini, P., Krägel, J., Tesei, U.

“…We illustrate functionality and performances of the oscillating bubble tensiometer, used for studying the influence of atmospheric organic carbon on the…”
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STS-107 OV-102 mission FAST experiment: Slow surface relaxation at the solution-air interface by Loglio, G, Pandolfini, P, Miller, R, Makievski, A, Krägel, J, Ravera, F, Liggieri, L

“…The experiments are aimed at the study of the interfacial dilational properties, under microgravity conditions. The examined systems are aqueous solutions of…”
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Dynamic properties of Span-80 adsorbed layers at paraffin-oil/water interface: Capillary pressure experiments under low gravity conditions by Pandolfini, P., Loglio, G., Ravera, F., Liggieri, L., Kovalchuk, V.I., Javadi, A., Karbaschi, M., Krägel, J., Miller, R., Noskov, B.A., Bykov, A.G.

“…[Display omitted] •Measurements by capillary pressure tensiometry, under microgravity conditions, are effective for providing a consistent set of reliable data…”
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Perturbation–response relationship in liquid interfacial systems: non-linearity assessment by frequency–domain analysis by Loglio, Giuseppe, Pandolfini, Piero, Miller, Reinhard, Makievski, Alexander V., Krägel, Jürgen, Ravera, Francesca, Noskov, Boris A.

“…Fourier series analysis is utilised to quantitatively evaluate the linearity limits and characterise the non-linearity of the perturbation–response…”
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Dynamic interfacial properties of drops relevant to W/O-emulsion-forming systems: A refined measurement apparatus by Del Gaudio, L., Pandolfini, P., Ravera, F., Krägel, J., Santini, E., Makievski, A.V., Noskov, B.A., Liggieri, L., Miller, R., Loglio, G.

“…Detailed construction is presented for a refined instrument designed for the accurate measurement of dynamic interfacial tension, both in the frequency domain…”
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Capillary pressure studies under low gravity conditions: Physico-chemical and flow behaviour of droplet based systems by KOVALCHUK, V. I, RAVERA, F, LIGGIERI, L, LOGLIO, G, PANDOLFINI, P, MAKIEVSKI, A. V, VINCENT-BONNIEU, S, KRÄGEL, J, JAVADI, A, MILLER, R

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Dynamic interfacial properties of drops relevant to W/O-emulsion-forming systems : A refined measurement apparatus by DEL GAUDIO, L, PANDOLFINI, P, RAVERA, F, KRÄGEL, J, SANTINI, E, MAKIEVSKI, A. V, NOSKOV, B. A, LIGGIERI, L, MILLER, R, LOGLIO, G

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A softwarre-driven apparatus designed for measuring geometrical and physical properties of a large buble formed at a capillary tip by LOGLIO, G, TESEI, U, PANDOLFINI, P, CINI, R

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