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RISTransient Starting Flow in a Cylinder With Counter-Rotating Endwall Disks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Spin-up from rest in a cylinder with top and bottom endwall disks rotating in opposite directions (ΩT and ΩB are the respective rotation rate, but S[≡ ΩT /ΩB ] < 0) is investigated. The ...
Flow in an Open Tank With a Free Surface Driven by the Spinning Bottom
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An investigation is made of flows of a viscous incompressible fluid inside a circular cylindrical tank. The flow is driven by the spinning bottom endwall disk of the tank. Numerical solutions ...
Spin-Up From Rest of a Two-Layer Liquid in a Cylinder
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical and analytical study is made of spin-up from rest of a two-layer liquid in a rapidly rotating cylinder. The overall system Ekman number is small. The density of the top layer ...
Numerical Simulation of Flows Driven by a Torsionally Oscillating Lid in a Square Cavity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical studies were made of the flow of a viscous fluid in a two-dimensional square container. The flows are driven by the top sliding wall, which executes sinusoidal oscillations. Numerical ...
Numerical Simulations of Three-Dimensional Flows in a Cubic Cavity With an Oscillating Lid
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical studies are made of three-dimensional flow of a viscous fluid in a cubical container. The flow is driven by the top sliding wall, which executes sinusoidal oscillations. Numerical ...
Axisymmetric Inertial Oscillations in Transient Rotating Flows in a Cylinder
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical study is made of axisymmetric inertial oscillations in a fluid-filled cylinder. The entire cylinder undergoes a spin-up process from rest with an impulsively started rotation rate ...
Flow Driven by a Torsionally-Oscillating Shrouded Endwall Disk
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A study is made of time-dependent flow of a viscous fluid driven by an oscillating shrouded disk in finite geometry. Numerical solutions to the Navier-Stokes equations are obtained for the ...
Propagation of the Velocity Shear Front in Spin-up From Rest in a Cut-Cone
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The behavior of the dominant azimuthal velocity field during spin-up from rest of a homogeneous fluid in a cut-cone is investigated. The fundamental mechanism of spin-up process is recapitulated. ...
Discrete Vortex Simulation of Pulsating Flow Behind a Normal Plate
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical study is made of the separated flow behind a flat plate. The plate is placed normal to the direction of the approach flow. The oncoming freestream velocity contains a pulsating ...
Transient Free Surface Shape in an Abruptly Rotating, Partially Filled Cylinder
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation has been made to depict the transient free surface shape in spin-up from rest of a liquid in a partially filled cylinder. The rotational Reynolds number is large ...