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Flow Resistance in Skimming Flows and its Modelling [PDF]
, 2002 Dams and weirs must be equipped with adequate flood release facilities for a safe dissipation of the kinetic energy of the flow. With stepped spillway design, it is essential to predict accurately the flow resistance associated with the steps. The authors investigate the flow resistance of skimming flows and associated form losses.
Chanson, Hubert +2 more
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Characteristics of Skimming Flow over Stepped Spillways
Journal of Hydraulic Engineering, 1999The discusser wishes to congratulate the authors for their authoritative paper. He believes that the work is a necessary addition to the topic of stepped spillway flow. The paper presents a true systematic study of skimming flow. Despite the outstanding insights of the study, the discusser wishes to point two weaknesses: an inadequate analysis of the ...
M. R. Chamani, N. Rajaratnam
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Alternating skimming flow over a stepped spillway
Environmental Fluid Mechanics, 2016The study of stepped spillways in laboratory scales has been essentially focused on two separated sub-regimes within skimming flow. In this paper we investigate the appearance of an unclassified alternating skimming flow regime in a 0.5 m wide stepped spillway which does not fit on these earlier definitions, and which does not occur in a 0.3 m wide ...
Pedro Lopes +3 more
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Developing flow in skimming flow regime on embankment stepped spillways
Journal of Hydraulic Research, 2011In hydraulic engineering, stepped spillways are effective structures in regard to both energy dissipation and re-aeration processes. It is well known that flow depths and flow velocities generally depend on the spillway geometry in terms of slope and step-induced macro-roughness height on the one hand and the discharge on the other hand.
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Flow properties of freeze-concentrated skim milk
Journal of Food Engineering, 1997Abstract The flow properties of freeze-concentrated skim milk, determined with a concentric cylinder viscometer, were well described by the simple power-law rheological model over the temperature range from — 3.4 to + 20 °C. High-total-solids freeze-concentrated skim milk (35–40% total solids) exhibited non-Newtonian behaviour, while lower ...
Yi-Huang Chang, Richard W. Hartel
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OIL LAYER FLOW AROUND SKIMMING VESSELS
International Oil Spill Conference Proceedings, 1989ABSTRACT The flow of an oil layer around an advancing skimming vessel was investigated theoretically on the following assumptions: (1) the oil layer is so thin that the velocity distribution is uniform over the depth; (2) there is no shear and tension at the oil-water interface; and (3) the density difference between oil and water is so ...
Isao Suzuki +4 more
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Study on the Flow Behavior in the Low Flow Region of Skim Milk Solutions [PDF]
広島大学生物生産学部紀要, 1980 The flow equations of liquid foods are important for the designing and controlling of various apparatuses. In this paper, we studied the flow behavior of skim milk solutions under low concentration at various temperatures. For measuring the flow behavior, we used a capillary tube viscometer operated under various pressures.
Kubota, Kiyoshi +3 more
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Flow Characteristics of Skimming Flows in Stepped Channels
2006Ohtsu et al. must be congratulated for their systematic study of skimming flows on stepped channels with different slopes and step heights. Their experimental data provide a solid database that might lead to better and improved design criteria. Important outcomes include some estimate of friction factors for skimming flows and a design flow chart for ...
Gonzalez, Carlos A., Chanson, Hubert
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Numerical Simulation of Skimming Flow over Mild Stepped Channel
Journal of Hydrodynamics, 2006zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dong, Zhi-Yong, Lee, Joseph Hun-Wei
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Skimming of microspheres in vitro: implications for measurement of intrarenal blood flow
American Journal of Physiology-Heart and Circulatory Physiology, 1981Skimming could result in erroneous estimation of renal cortical blood flow distribution as measured by microspheres. Skimming of microspheres with diameters 10, 12, and 15 micrometers and red blood cells was therefore studied in a model in which an interlobular artery and its first arteriolar branch were simulated by 80- and 30-micrometers-wide slits ...
E S, Ofjord, G, Clausen, K, Aukland
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