Search Results - "Sobolik, V."

Kinematics of helical flow between concentric cylinders with axial through flow by Hassan, M. El, Sobolik, V., Chamkha, A., Kristiawan, M.

“…•The kinematic parameters of the helices and their imprint on the wall in term of shear rate.•The reason why the right-handed helices are seen to be stationary…”
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Axial Flow Effect on the Stability of Circular Couette Flow by Belkadi, H, Laghouati, Y, Sobolik, V, Oualli, H, Bouabdallah, A

“…We investigate the effect of an axial Poiseuille annular flow on the stability of Taylor vortices via numerical simulation using CFD Ansys Fluent software. The…”
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Structure expansion of green coffee beans using instantaneous controlled pressure drop process by Kamal, Ibtisam M., Sobolik, V., Kristiawan, Magdalena, Mounir, Sabah M., Allaf, K.

“…Since 1988, when the first experiments with the Instantaneous Controlled Pressure Drop (DIC) process were performed, a lot of investigations have been carried…”
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Effect of pressure-drop rate on the isolation of cananga oil using instantaneous controlled pressure-drop process by Kristiawan, M., Sobolik, V., Al-Haddad, M., Allaf, K.

“…The isolation of Indonesian cananga oil was carried out by a new process, instantaneous controlled pressure drop (DIC). Dry cananga flowers ( Cananga odorata…”
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Electrodiffusion detection of the near-wall flow reversal in liquid films at the regime of solitary waves by TIHON, J, TOVCHIGRECHKO, V, SOBOLIK, V, WEIN, O

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Interaction between the Ekman layer and the Couette–Taylor instability by Sobolı́k, V., Izrar, B., Lusseyran, F., Skali, S.

“…The finite aspect ratio effect on Couette–Taylor flow was studied by means of three-segment electrodiffusion probes. The geometry of the Couette apparatus was…”
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Local flow direction measurements using tri-segmented microelectrode in packed beds by Dumas, T., Lesage, F., Sobolik, V., Latifi, M.A.

“…An electrodiffusion measurement system has been developed and used in a packed bed with single phase liquid flow. It is based on a tri-segmented microelectrode…”
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Electrochemical analysis of Taylor vortices by Wouahbi, F, Allaf, K, Sobolik, V

“…Steady Taylor vortices in the annular gap between coaxial cylinders were studied using the electrodiffusion method. The cylinders had an aspect ratio of 17.7…”
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Diagnostics of the fluctuating wall shear rate components using an uncalibrated three-segment electrodiffusion sensor by Lamarche-Gagnon, M.-É., Sobolík, V., Vétel, J.

“…An inverse problem is used to significantly improve the frequency response of a three-segment electrodiffusion (ED) sensor subjected to strong inertial effects…”
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Wall Shear Rates in Taylor Vortex Flow by Sobolik, V, Jirout, T, Havlica, J, Kristiawan, M

“…Wall shear rate and its axial and azimuthal components were evaluated in stable Taylor vortices. The measurements were carried out in a broad interval of…”
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Calibration of electrodiffusion friction probes using a voltage-step transient by SOBOLIK, V, TIHON, J, WEIN, O, WICHTERLE, K

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Viscosity and electrical conductivity of concentrated solutions of soluble coffee by Sobolı́k, V., Žitný, R., Tovcigrecko, V., Delgado, M., Allaf, K.

“…Viscosity of concentrated aqueous solutions ( ω=0.5–0.8) of soluble coffee was measured in the temperature range 25–95°C. After some time of the shear…”
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Analysis of wave modes in liquid film falling down a vertical oscillating plate by Drahoš, J., Tihon, J., Sobolík, V., Hasal, P., Schreiber, I., Marek, M.

“…The stability of periodic two-dimensional waves on a liquid film falling down a vertical oscillating plate was studied experimentally using the aqueous…”
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Impact of seed structure modification on the rate of supercritical CO2 extraction by Rochová, K., Sovová, H., Sobolík, V., Allaf, K.

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Study of Taylor-Couette flow using a three-segment electrodiffusion probe by SOBOLIK, V, BENABES, B, COGNET, G

“…The axial and azimuthal components of the shear rate on the wall of the outer fixed cylinder of a pair of concentric cylinders with the inner cylinder rotating…”
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Film flow of pseudoplastic liquids along an oscillating wall by SOBOLIK, V

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Study of mass transfer in viscoelastic liquids by segmented electrodiffusion velocity probes by SOBOLIK, V, MARTEMYANOV, S, COGNET, G

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Sensitivity of three-segment electrodiffusion probes to eddy shedding by SOBOLIK, V, TIHON, J, PAULI, J, ONKEN, U

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A three-segment electrodiffusion probe in axisymmetric flow with stagnation and separation by BALERAS, F, DESLOUIS, C, TRIBOLLET, B, SOBOLIK, V

“…Calculation is presented of the influence of the normal velocity component on the directional characteristics of a three-segment electrochemical probe in the…”
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Simultaneous wall shear rate measurements by a three segmented electrodiffusion probe and laser-Doppler-anemometry by BEWERSDORFF, H.-W, GYR, A, HOYER, K, SOBOLIK, V

“…In a fully developed turbulent channel flow, the instantaneous wall shear gradient was measured simultaneously by an electrodiffusion (ED) probe and by LDA…”
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