Journal of Fluids Engineering: Recent submissions

Now showing items 7001-7020 of 9024

    • Drying of an Initially Saturated Fractured Volcanic Tuff 

      A. J. Russo; D. C. Reda (The American Society of Mechanical Engineers (ASME), 1989)
      The isothermal drying of an initially saturated welded tuffaceous rock was studied experimentally. Gamma-beam densitometry was used to measure the material’s effective porosity distribution prior ...

    • Visualizing the Connectivity of Vortex Systems for Pitching Wings 

      P. Freymuth (The American Society of Mechanical Engineers (ASME), 1989)
      The global visualization of vortex systems of pitching wings is explored. The topological law that vortex strands need to be connected aids in comprehending the visualized vortex systems and ...

    • Comparison of a Cavitation Susceptibility Meter and Holography for Nuclei Detection in Liquids 

      L. d’Agostino; T. Pham; S. Green (The American Society of Mechanical Engineers (ASME), 1989)
      This work compares the results obtained from a Cavitation Susceptibility Meter (CSM) and from direct holographic observations for the detection of cavitation nuclei in tap water samples. The CSM ...

    • Mean Flow Downstream of Two-Dimensional Roughness Elements 

      E. Logan; P. Phataraphruk (The American Society of Mechanical Engineers (ASME), 1989)
      The response of a fully developed pipe flow to wall mounted roughness elements of rectangular cross section was investigated experimentally using a probe with a single hot-wire. Four heights ...

    • The Law of the Wall for Swirling Flow in Annular Ducts 

      R. J. Kind; F. M. Yowakim; S. A. Sjolander (The American Society of Mechanical Engineers (ASME), 1989)
      Expressions for the logarithmic portion of the law of the wall are derived for the axial and tangential velocity components of swirling flow in annular ducts. These expressions involve new ...

    • Fully Developed Flow in Curved Channels of Square Cross Sections Inclined 

      Tay-Yueh Duh; Yaw-Dong Shih (The American Society of Mechanical Engineers (ASME), 1989)
      The fully developed viscous flow in curved channels of obliquely oriented square cross section with angle of inclination is analyzed for an incompressible fluid. A nonorthogonal helical coordinate ...

    • Measurements in Two-Dimensional Plumes in Crossflow 

      B. R. Ramaprian; H. Haniu (The American Society of Mechanical Engineers (ASME), 1989)
      The mean-flow and turbulent properties of two-dimensional buoyant jets discharged vertically upward into a crossflowing ambient have been measured in a hydraulic flume, using laser velocimetry and ...

    • Experimental Study of the Aerodynamic Interaction Between an Enclosed-Wheel Racing-Car and Its Rear Wing 

      J. Katz; R. Largman (The American Society of Mechanical Engineers (ASME), 1989)
      A quarter-scale model of an enclosed wheel racing car was tested using the elevated ground plane wind tunnel technique. To increase the aerodynamic down force, two longitudinal underbody channels ...

    • Measurements of the Flow and Turbulence Characteristics of Round Jets in Crossflow 

      S. A. Sherif; R. H. Pletcher (The American Society of Mechanical Engineers (ASME), 1989)
      Measurements of the velocity and turbulence characteristics of a round turbulent jet in crossflow are reported. The experiments were conducted in a water channel, 8.53 m long, 0.61 m wide, and ...

    • Flow Structure in the Wake of an Oscillating Cylinder 

      Y. Lecointe; J. Piquet (The American Society of Mechanical Engineers (ASME), 1989)
      The numerical solution of the unsteady two-dimensional Navier-Stokes equations is used to investigate the vortex-shedding characteristics behind a circular cylinder immersed in a uniform stream and ...

    • A Modified Form of the Betz’ Wind Turbine Theory Including Losses 

      A. Dyment (The American Society of Mechanical Engineers (ASME), 1989)
      The aim of this brief paper is to present a variant of the classical Betz’ theory concerning the flow through a wind turbine. The new model includes losses and gives more realistic maximum ...

    • A New Model for Leakage Prediction in Shrouded-Impeller Turbopumps 

      E. A. Baskharone; S. J. Hensel (The American Society of Mechanical Engineers (ASME), 1989)
      The swirling secondary flow in the shroud-to-housing passage of a turbopump stage is analyzed. The flow model is based on the weighted-residual finite-element method to solve the axisymmetric ...

    • George Friedrich Wislicenus 

      Unknown author (The American Society of Mechanical Engineers (ASME), 1989)

    • Determination of Surface Pressure Distributions for Axisymmetric Bluff Bodies 

      D. A. Nelson; D. M. O’Donnell; E. J. Morgan; L. W. Evers (The American Society of Mechanical Engineers (ASME), 1989)
      The conditions governing liquid droplet breakup are particularly important to the process of fuel atomization for spark-ignition engines. A proper mathematical description of the problem requires ...

    • Flow About a Circular Cylinder in and Near a Turbulent Plane Mixing Layer 

      M. Kiya; H. Tamura (The American Society of Mechanical Engineers (ASME), 1989)
      This paper deals with an experimental study of the fluid forces, surface pressure, and vortex-shedding frequency of a circular cylinder placed in and near a turbulent plane mixing layer with ...

    • Studies of Flow Patterns in a Diffuser Designed to Generate Longitudinal Vortices 

      L. N. Goenka; R. L. Panton; D. G. Bogard (The American Society of Mechanical Engineers (ASME), 1989)
      This paper describes flow visualization studies on a three-dimensional diffuser that generates two longitudinal vortices. The premise is that the three-dimensional flow patterns of this diffuser ...

    • The Use of a Photoelastic Method to Study the Effects of Bubble Collapse on Surfaces 

      E. Nienaltowska (The American Society of Mechanical Engineers (ASME), 1989)
      A photoelastic technique using two laser beams and high acquisition rate (20 MHz) has been used to investigate the dynamics of a single bubble in a fluid at rest. The bubbles are spark-generated ...

    • A Portable Slurry Wear Test for the Field 

      B. W. Madsen (The American Society of Mechanical Engineers (ASME), 1989)
      A new portable slurry wear test apparatus developed by the Bureau of Mines, U.S. Department of the Interior, makes it possible to gather materials wear and corrosion data at a mineral processing ...

    • Drag of Bodies of Revolution in Supercavitating Flow 

      W. P. Wolfe; C. E. Hailey; W. L. Oberkampf (The American Society of Mechanical Engineers (ASME), 1989)
      The drag of bodies of revolution at zero degree angle of attack in supercavitating flow has been calculated. The potential flow about the body and cavity is calculated using an axial distribution ...

    • Mean Drop Sizes From Fan Spray Atomizers 

      H. E. Snyder; D. W. Senser; A. H. Lefebvre (The American Society of Mechanical Engineers (ASME), 1989)
      The drop size distributions produced by two geometrically similar fan spray nozzles were measured over an injection pressure range from 1.38 to 10.34 MPa (200 to 1500 psi). The fluids employed ...