Journal of Fluids Engineering: Recent submissions

Now showing items 4381-4400 of 9024

    • Guest Editorial 

      Dennis A. Siginer (The American Society of Mechanical Engineers (ASME), 2004)
      The papers included in this special section of the Journal of Fluids Engineering are drawn from those presented at the IMECE 2002 in New Orleans in the Symposia on the “Rheology and Fluid ...

    • Understanding Magnetic Field Gradient Effect From a Liquid Metal Droplet Movement 

      Donghong Gao; Neil B. Morley; Vijay Dhir (The American Society of Mechanical Engineers (ASME), 2004)
      A two-dimensional liquid metal droplet moving into magnetic field gradient regions in a vacuum space in the absence of gravity has been simulated in VOF-CSF method. The general one-fluid VOF ...

    • Flow Through a Finite Packed Bed of Spheres: A Note on the Limit of Applicability of the Forchheimer-Type Equation 

      Agnès Montillet (The American Society of Mechanical Engineers (ASME), 2004)
      The variation of the pressure drop measured as a function of the fluid velocity through a packed bed of spheres is presented and discussed in the range of particle Reynolds number 30–1500. ...

    • Oil Sands Slurry Flow in Flexible Pipe 

      Samuel Frimpong; Oluropo Rufus Ayodele; Jozef Szymanski (The American Society of Mechanical Engineers (ASME), 2004)
      Production cost and efficiency optimization for the Athabasca oil sands is a key to securing North America’s energy supply. Current oil sands production cost is about $13/bbl compared with ...

    • Low-Reynolds Number Turbulence Models: An Approach for Reducing Mesh Sensitivity 

      Jonas Bredberg; Lars Davidson (The American Society of Mechanical Engineers (ASME), 2004)
      This study presents a new near-wall treatment for low-Reynolds number (LRN) turbulence models that maintains accuracy in ‘coarse’ mesh predictions. The method is based on a thorough examination ...

    • Multi-Modal Forcing of the Turbulent Separated Shear Flow Past a Rib 

      P. K. Panigrahi; S. Acharya (The American Society of Mechanical Engineers (ASME), 2004)
      Experiments have been conducted to study the development of flow behind a surface mounted rib under different phase controlled excitation. Single mode excitation and multi-mode excitation with ...

    • Compressibility Effects on the Extended Crocco Relation and the Thermal Recovery Factor in Laminar Boundary Layer Flow 

      B. W. van Oudheusden (The American Society of Mechanical Engineers (ASME), 2004)
      The relation between velocity and enthalpy in steady boundary layer flow is known as the Crocco relation. It describes that for an adiabatic wall the total enthalpy remains constant throughout ...

    • Unsteadiness of the Port Feed and Jet Flows Within a Gas Turbine Combustion System 

      N. J. Hughes; Research Associate; J. F. Carrotte; RR Lecturer in Aerospace Propulsion (The American Society of Mechanical Engineers (ASME), 2004)
      This paper describes an experimental investigation on a gas turbine combustor geometry that is typical of current aerospace applications. The isothermal investigation has concentrated on the flow ...

    • Analysis of the Influence of Diesel Nozzle Geometry in the Injection Rate Characteristic 

      J. Benajes; J. V. Pastor; R. Payri; A. H. Plazas (The American Society of Mechanical Engineers (ASME), 2004)
      An experimental research study was carried out to analyze the influence of different orifice geometries (conical and cylindrical) on the injection rate behavior of a Common-Rail fuel injection ...

    • Three-Dimensional Turbulent Flow in the Exit Head Section of a Heat Exchanger 

      J. H. Nie; W. Q. Tao; Q. W. Wang; B. F. Armaly (The American Society of Mechanical Engineers (ASME), 2004)
      Measurements of three-dimensional turbulent flow in the exit head section of a shell-and-tube heat exchanger were performed using three-component laser Doppler velocimeter. The test geometry is ...

    • An Experimental Study of Unsteady Partial Cavitation 

      Jean-Baptiste Leroux; Jacques André Astolfi; Jean Yves Billard (The American Society of Mechanical Engineers (ASME), 2004)
      Unsteady partial cavitation can cause damage to hydraulic machinery and understanding it requires knowledge of the basic physics involved. This paper presents the main results of a research ...

    • Flow at the Centrifugal Pump Impeller Exit With Circumferential Distortion of the Outlet Static Pressure 

      Soon-Sam Hong; Shin-Hyoung Kang (The American Society of Mechanical Engineers (ASME), 2004)
      The effects of circumferential outlet distortion of a centrifugal pump diffuser on the impeller exit flow were investigated. A fence with sinusoidal width variation was installed at the vaneless ...

    • Analysis of Two-Phase Homogeneous Bubbly Flows Including Friction and Mass Addition 

      Marat Mor; Alon Gany; Lena and Ben Fohrman Chair in Aeronautical Engineering Mem. ASME (The American Society of Mechanical Engineers (ASME), 2004)
      The present work is a theoretical investigation of two-phase bubbly flows. The main objective is to get a better insight of the basic phenomena associated with such flows through nozzles via ...

    • Rotating Choke in Cavitating Turbopump Inducer 

      Yury A. Semenov; Akira Fujii; Yoshinobu Tsujimoto (The American Society of Mechanical Engineers (ASME), 2004)
      During the development stage of the liquid hydrogen turbopump for the main engine LE-7A of the H-IIA rocket, a new type of cavitation instability was observed. This instability occurs at lower ...

    • Circular Dynamic Stereoscopy and Its Application for Fluid Measurement 

      Kikuhito Kawasue; Yuichiro Oya; Takakazu Ishimatsu (The American Society of Mechanical Engineers (ASME), 2004)
      By attaching a refractor to the lens of a Video Capture Device (e.g., CCD Video Camera) it is possible to record optical displacements from the original position of any object (tracer particle) ...

    • On the Leak Through a Spiral-Groove Metallic Static Ring Gasket 

      S. Geoffroy; M. Prat (The American Society of Mechanical Engineers (ASME), 2004)
      The diffusive and viscous leaks through a model spiral groove static ring gasket are studied analytically. This system is characterized by a transition from a leak through radial passages to ...

    • A Phase-Averaged Analysis of Droplet Dispersion in the Wake of a Square Cylinder in a Uniform Stream 

      S. Fohanno; R. J. Martinuzzi (The American Society of Mechanical Engineers (ASME), 2004)
      Time-averaged and phase-averaged size and velocity distributions of water droplets in the turbulent wake of a square cross-section cylinder, measured with a phase-Doppler anemometer, are presented ...

    • Isentropic Compressible Flow for Non-Ideal Gas Models for a Venturi 

      Kenneth C. Cornelius; Kartik Srinivas (The American Society of Mechanical Engineers (ASME), 2004)
      The non-ideal gas equations and mathematical formulation developed in this work using the compressibility factor in the equation of state closely resemble the derivations used for the ideal gas ...

    • Closely Spaced Circular Cylinders in Cross-Flow and a Universal Wake Number 

      David Sumner (The American Society of Mechanical Engineers (ASME), 2004)
      To investigate the effectiveness of a universal wake number for groups of closely spaced bluff bodes, staggered cylinder configurations with center-to-center pitch ratios of P/D=1.125 and 1.25, ...

    • The Effect of Wake Passing on a Flow Separation in a Low-Pressure Turbine Cascade 

      Michael J. Brear; Howard P. Hodson (The American Society of Mechanical Engineers (ASME), 2004)
      This paper describes an investigation into the effect that passing wakes have on a separation bubble that exists on the pressure surface and near the leading edge of a low-pressure turbine ...