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RISImproving Startup Behavior of Fluid Couplings Through Modification of Runner Geometry: Part I—Fluid Flow Analysis and Proposed Improvement
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For the use as a startup device the characteristic of a hydrodynamic coupling has to be steep at the nominal high speed operation condition and flat in the range of lower speed ratios. The ...
Numerical Analysis of Turbulent Flow in Fluid Couplings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical simulation of three-dimensional unsteady turbulent flows in fluid couplings was carried out by numerically solving Navier-Stokes equations in a rotating coordinate system. The standard ...
Improving Startup Behavior of Fluid Couplings Through Modification of Runner Geometry: Part II—Modification of Runner Geometry and Its Effects on the Operation Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In Part I of this paper, we analyzed the turbulent flow structure and the torque transport characteristics of a fluid coupling. The results suggested certain modifications of the geometry which ...
Comparison of Numerical and Experimental Results for a Turbulent Flow Field With a Longitudinal Vortex Pair
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical simulation of a three-dimensional turbulent flow with longitudinal vortices embedded in the boundary layer on a channel wall is presented. The flow is described by the unsteady ...