counter-rotating
Directional fluid transport along artificial ciliary surfaces with base-layer actuation of counter-rotating orbital beating patterns
... cilia and their mutual interaction via viscous coupling. In the slow forward motion part of the orbital cycle, the fluid is pushed forward due to a squeezing effect. The gap between the neigh- boring cilia rows left and ...
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A Numerical Prediction of Tip Vortices from Tandem Propellers in the Counter Rotating Type Tidal Stream Power Unit
... can counter-rotate have been designed to generate electric power effectively from a tidal ...and counter-rotating type tandem propellers and estimated the performance efficiency using RANS (Reynolds ...
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Experimental Study Of Counter Rotating Wind Turbine (Full Scale, R = 1.5 M) With Single Generator Using Gearbox
... In Figure 5 it can be seen that, for wind speeds of 4.87 m/s the electric power produced does not yet exist and for wind speeds of 5.01 m / s electric power starts to be produced even though it is not large, which is ...
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Counter Rotating Type Horizontal Axis Bidirectional Propellers for Tidal Stream Power Unit
... with counter-rotating type horizontal-axis bidirec- tional propellers is proposed in this ...the counter-rotating type propellers has no swirling component, though the single propeller ...
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Spitzer microlensing parallax for OGLE 2017 BLG 0896 reveals a counter rotating low mass brown dwarf
... a counter-rotating population of low-mass objects. Counter- rotating stellar disk populations have been detected in other galaxies ( ...the counter-rotating component can range ...
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Experimental research on the counter-rotating electrochemical machining of 304 stainless steel and Inconel 718 alloy
... In Electrochemical machining (ECM), anodic dissolution process is strongly affected by the electrochemical behavior of the target metal. This study aims to improve the counter-rotating electrochemical ...
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Elaboration of nanostructured polyurethane foams / OMMT using a twin-screw extruder in counter-rotating mode
... The main goal of the present study consisted in the preparation of nanostruc- tured foam polyurethane/OMMT with enhanced mechanical and flame-retardant properties. In order to incorporate the grafted polyols into the ...
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Formation of a Convex Structure During the Counter-Rotating Electrochemical Machining of TC4 Titanium Alloy in NaCl Solution
... Because of its outstanding properties, titanium alloy is a very important material in the aerospace industry. However, the machining of titanium alloy poses many challenges for conventional mechanical methods. The aim of ...
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Power Stabilization System with Counter Rotating Type Pump Turbine Unit for Renewable Energy
... a counter-rotating type pump-turbine unit is devel- oped for providing instantaneously the constant output to the grid ...also counter-rotate at the same torque. In the pumping mode, the ...
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Link Resource Allocation in Counter Rotating Seam of Low Orbit Satellite Network
... the counter-rotating seam can effectively alle- viate the throughput problem of cross-slot ...the counter-rotation seam to improve the link throughput, so that it no longer be- comes a limitation of ...
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A Counter Rotating Impulse Turbine for Wave Energy Conversion
... The counter-rotating impulse turbine for wave energy converter with oscillating water column (OWC) was proposed by ...the counter-rotors rotate uni-directionally by the air flow from either ...of ...
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Instability patterns between counter-rotating disks
... The counter-rotating case appears to be much richer: in addition to boundary layer instabilities, it has been recently recognized that the counter-rotating flow at high enough ro- tation ratio ...
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MUSE observations of the counter-rotating nuclear ring in NGC 7742
... The MUSE data also bring out much more clearly the kine- matic presence of the newly-formed stars in the ring, and pos- sibly also in the disk regions. As these new stars rotate in an opposite direction to that of the ...
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Research into the effect of counter rotating propellers, for the propulsion of a vertical take off and landing ducted fan UAV, on the flow pattern
... A suggestion for improvement is related to symmetry. The numerical model created for the purpose of this internship project can be simplified by making use of symmetry. The UAV and the control volume surrounding it can ...
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Analyze of the Counter-Rotating Vortices Pair Stability under the External Turbulence Influence
... An important objective of this study consists in the research of the influence of the external turbulence field on a pair of longitudinal contra-rotating vortices. For that we achieved a procedure of generating a ...
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Concentrating Energy by Measurement
... the counter-rotating terms in the atom-cavity interaction Hamiltonian as well as to the effect of the environment onto the surrounding free radiation ...
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Effect of Magnetic Field on the Rotating Flow in a Similar Czochralski Configuration
... in rotating flow generated by the co/counter rotating end disks of the enclosed cylinder have never been studied, except for the case treated recently by Mahfoud and Bessaih [25], but with axial ...
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Origin of the Local Group satellite planes
... a counter-rotating peak often contains a significant amount of material, especially for the ...Sculptor counter- rotates within the plane preferred by most MW satellites (Piatek et ...a ...
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Convection in a rotating cavity
... W hen heating and cooling were initiated at the two end walls, warm and cold boundary currents formed on either side of the cavity. The currents initially propagated under an along-shore inertial-buoyancy balance and a ...
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Flow visualisation and wake characterisation of a sliding bubble using particle image velocimetry
... The PIV results, in a plane perpendicular to the surface, indicate that the bubble passing through the measurement plane leads to the formation of two counter-rotating vortices in its immediate wake. For ...
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