Journal of Fluids Engineering: Recent submissions

Now showing items 6521-6540 of 9024

    • Freestream Nuclei and Traveling-Bubble Cavitation 

      R. S. Meyer; M. L. Billet; J. W. Holl (The American Society of Mechanical Engineers (ASME), 1992)
      Traveling-bubble cavitation inception tests were conducted in a 30.48 cm water tunnel with a Schiebe headform. A computer code was developed to statistically model cavitation inception on a ...

    • Dynamical Interactions in a Multi-Bubble Cloud 

      Georges L. Chahine; Ramani Duraiswami (The American Society of Mechanical Engineers (ASME), 1992)
      Results of studies on the dynamics of “clouds” of bubbles via both an analytical technique using asymptotic expansions, and via numerical simulation using a three-dimensional boundary element ...

    • Turbulent Diffusion of Heavy-Particles in Turbulent Jets 

      A. A. Mostafa (The American Society of Mechanical Engineers (ASME), 1992)
      The turbulent dispersion of heavy suspended particles in turbulent shear flows is analyzed when crossing trajectory effects are important. A semiempirical expression for particle diffusion coefficient ...

    • Particle Dispersion by Vortex Structures in Plane Mixing Layers 

      F. Wen; N. Kamalu; J. N. Chung; C. T. Crowe; T. R. Troutt (The American Society of Mechanical Engineers (ASME), 1992)
      The dispersion of particles in a plane mixing layer between two air streams is investigated using experimental and numerical techniques. The results show that large-scale spanwise vortices strongly ...

    • LDV Measurements in a Centrifugal Slurry Pump: Water and Dilute Slurry Flows 

      T. Cader; O. Masbernat; M. C. Roco (The American Society of Mechanical Engineers (ASME), 1992)
      A two-component LDV system was used to investigate single and two-phase flow in a representative section at the impeller outlet of a centrifugal slurry pump. Measurements were performed at Qn ...

    • Optimization of the Parameters for a Rotating, Mixed-Phase Reactor 

      J. G. Cleland; D. M. Kornfeld (The American Society of Mechanical Engineers (ASME), 1992)
      The motion of small, monodisperse particles in fluid was studied in a horizontal, cylindrical container rotating about its axis. One instigation for the study was the common requirement for ...

    • Rotating Wakes in Vaneless Diffusers 

      Robert C. Dean; Yasutoshi Senoo (The American Society of Mechanical Engineers (ASME), 1960)
      Experimental investigations have shown that the flow discharged from a centrifugal compressor or pump impeller into a diffuser is often unsteady and axially asymmetric. A theory based upon a ...

    • Prediction of Rotor Dynamic Destabilizing Forces in Axial Flow Compressors 

      J. Colding-Jorgensen (The American Society of Mechanical Engineers (ASME), 1992)
      It has been shown by Thomas (1958) and Alford (1965), that axial flow turbo-machinery is subject to rotor dynamic destabilizing gas forces produced by the circumferential variation of blade-tip ...

    • Low Area Ratio Aircraft Fuel Jet-Pump Performances With and Without Cavitation 

      M. Marini; A. Massardo; A. Satta; M. Geraci (The American Society of Mechanical Engineers (ASME), 1992)
      The experimental analysis performed on several small size low area ratio aircraft fuel jet pumps in JP4 is outlined. The variables investigated were area ratio, nozzle and throat diameters, ...

    • Some Unsteady Fluid Forces on Pump Impellers 

      R. S. Miskovish; C. E. Brennen (The American Society of Mechanical Engineers (ASME), 1992)
      Spectral analyses of all the forces and moments acting on a typical centrifugal pump impeller/volute combination are presented. These exhibit shaft frequencies, blade passing frequencies, and beat ...

    • Three-Dimensional Calculation of Bubble Growth and Drop Ejection in a Bubble Jet Printer 

      A. Asai (The American Society of Mechanical Engineers (ASME), 1992)
      The three-dimensional Navier-Stokes equation for the motion of ink both inside and outside the nozzle of a bubble jet printer is numerically solved, for the first time, to predict the bubble ...

    • Non-Darcy Couette Flow in a Porous Medium Filled With an Inelastic Non-Newtonian Fluid 

      A. Nakayama (The American Society of Mechanical Engineers (ASME), 1992)
      Newtonian and non-Newtonian Couette flows through inelastic fluid saturated porous media due to a moving plate boundary have been investigated analytically. The momentum equation which includes ...

    • Flow Instability in a Curved Duct of Rectangular Cross Section 

      A. Belaidi; J. A. C. Humphrey; M. W. Johnson (The American Society of Mechanical Engineers (ASME), 1992)
      An experimental investigation has been carried out in a curved duct of rectangular cross section in order to study the development of flow instability in such geometries. Hot wire anemometry ...

    • A Power-Law Formulation of Laminar Flow in Short Pipes 

      M. Sherman (The American Society of Mechanical Engineers (ASME), 1992)
      In the quantification of air flow through penetrations in buildings, it is necessary to be able to characterize the flow without detailed knowledge of the geometry of the paths. At the ...

    • Secondary Flow and Hydraulic Losses Within Sinuous Conduits of Rectangular Cross Section 

      Yukimaru Shimizu; Yoshiki Futaki; C. Samuel Martin (The American Society of Mechanical Engineers (ASME), 1992)
      This paper describes the relationship between hydraulic losses and secondary flow within sinuous conduits with complicated bends. It has been found that the nature of secondary flow present in ...

    • Nonlinear Response of Planar Laminar Flow Over a Flat Plate Vibrating in Different Modes 

      N. Kolluru Venkat; Malcolm Spaulding (The American Society of Mechanical Engineers (ASME), 1992)
      A computer model developed by Venkat and Spaulding (1991a) for unsteady flows over vibrating bodies is used to investigate the nonlinear characteristics of external flow over a flat plate, a ...

    • Experimental Investigation of a Three-Dimensional Boundary Layer Flow in the Vicinity of an Upright Wall Mounted Cylinder (Data Bank Contribution) 

      J. H. Agui; J. Andreopoulos (The American Society of Mechanical Engineers (ASME), 1992)
      The flow of a three-dimensional boundary layer approaching an upright wall mounted circular cylinder has been experimentally investigated by means of instantaneous flow visualization techniques ...

    • The Development of a Turbulent Junction Vortex System (Data Bank Contribution) 

      F. J. Pierce; J. Shin (The American Society of Mechanical Engineers (ASME), 1992)
      The growth and development of a horseshoe vortex system in an incompressible, three-dimensional turbulent junction flow were investigated experimentally. A streamlined cylinder mounted with its ...

    • Some Characteristics of Counter Flowing Wall Jets 

      R. Balachandar; L. Robillard; A. S. Ramamurthy (The American Society of Mechanical Engineers (ASME), 1992)
      Experimental results related to the interaction between a uniform flow and a two-dimensional counter flowing wall jet are presented for various ratios of the jet velocity to the freestream ...

    • Perspective: On the Near Wall Similarity of Three-Dimensional Turbulent Boundary Layers (Data Bank Contribution) 

      M. S. Ölçmen; R. L. Simpson (The American Society of Mechanical Engineers (ASME), 1992)
      The possible existence of a “law-of-the-wall” similarity velocity profile for 3-D boundary layers was investigated using nine different proposed relations with the data from nine experiments carried ...