Journal of Fluids Engineering: Recent submissions
Now showing items 5961-5980 of 9024
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Measuring Unsteady Velocity Profiles and Integral Parameters Using Digital Image Processing of Hydrogen Bubble Timelines
(The American Society of Mechanical Engineers (ASME), 1995)To aid in the investigation of artificially generated turbulent spots a technique was developed to make instantaneous measurements of full velocity profiles in an unsteady water boundary layer. ... -
Capsule Transport in Coal Slurry Medium
(The American Society of Mechanical Engineers (ASME), 1995)The use of coal slurry instead of water in a coal log pipeline (CLP) is investigated for the first time. This investigation reveals significant differences and possible benefits by using coal ... -
On the Roughness Reynolds Number Transition Criterion
(The American Society of Mechanical Engineers (ASME), 1995)The theoretically validated Fage’s transition criterion for predicting transition in flow over a single roughness element is used to show that in the widely used roughness Reynolds number (Rek ... -
Flow Patterns and Pressure Drop in Air/Water Two-Phase Flow in Horizontal Helicoidal Pipes
(The American Society of Mechanical Engineers (ASME), 1995)An experimental investigation is conducted for air/water two-phase flow in horizontal helicoidal pipes. The helicoidal pipes are constructed of 25.4 mm I.D. Tygon tubing wrapped around cylindrical ... -
Simulation of Paint Transfer in an Air Spray Process
(The American Society of Mechanical Engineers (ASME), 1995)A methodology for simulating drop transport and deposition in air-spray, paint-application processes is presented. Simulation of the complex physical phenomena involved is made possible through a ... -
Freon Bubble Rise Measurements in a Vertical Rectangular Duct
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Numerical Simulation of the Effects of Rotor-Stator Spacing and Wake/Blade Count Ratio on Turbomachinery Unsteady Flows
(The American Society of Mechanical Engineers (ASME), 1995)A two-dimensional time-accurate Navier-Stokes solver for incompressible flows is used to simulate the effects of the axial spacing between an upstream rotor and a stator, and the wake/blade count ... -
Phase-Resolved Surface Pressure and Heat-Transfer Measurements on the Blade of a Two-Stage Turbine
(The American Society of Mechanical Engineers (ASME), 1995)Phase-resolved surface pressure, and unsteady pressure measurements are reported for the first-stage blade row of the Space Shuttle Main Engine two-stage fuel-side turbine. Measurements were made ... -
The Ducted Tip—A Hydrofoil Tip Geometry With Superior Cavitation Performance
(The American Society of Mechanical Engineers (ASME), 1995)A novel hydrofoil design, consisting of a small diameter flow-through duct affixed to the tip, has been studied. The tip vortex cavitation inception index, σi , of this hydrofoil geometry is ... -
High-Frequency Heat Flux Sensor Calibration and Modeling
(The American Society of Mechanical Engineers (ASME), 1995)A new method of in-situ heat flux gage calibration is evaluated for use in convective facilities with high heat transfer and fast time response. A Heat Flux Microsensor (HFM) was used in a ... -
Multigrid Computations of Unsteady Rotor-Stator Interaction Using the Navier-Stokes Equations
(The American Society of Mechanical Engineers (ASME), 1995)A Navier-Stokes time-accurate solver has been extended to the analysis of unsteady rotor-stator interaction. In the proposed method, a fully-implicit time discretization is used to remove stability ... -
Free Surface Flow Profile and Fluctuations of a Circular Hydraulic Jump Formed by an Impinging Jet
(The American Society of Mechanical Engineers (ASME), 1995)A fine wire probe was used to make quantitative measurements of the free surface profile and surface fluctuations around the hydraulic jump formed by a normally impinging free liquid jet. ... -
The Introduction of Micro Cells to Treat Pressure in Free Surface Fluid Flow Problems
(The American Society of Mechanical Engineers (ASME), 1995)A new method of calculating the pressure field in the simulation of two-dimensional, unsteady, incompressible, free surface fluid flow by use of a marker and cell method is presented. A critical ... -
Capillary Instability of a Liquid Film on a Wire
(The American Society of Mechanical Engineers (ASME), 1995)Capillary instability of a liquid film on a wire in another fluid (gas or liquid) is investigated. The liquid film is found to be unstable whenever the wavelength of the surface disturbance ... -
Predictions of the Structure of Turbulent, Highly Underexpanded Jets
(The American Society of Mechanical Engineers (ASME), 1995)A mathematical model capable of predicting the shock and flow structure of turbulent, underexpanded jets is described. The model is based on solutions of the fluid flow equations obtained using ... -
The Interaction Between a Jet and a Flat Plate—An Inviscid Analysis
(The American Society of Mechanical Engineers (ASME), 1995)The problem of jet-plate interaction has been examined. It is shown that the problem of this type is governed by the mechanisms of inviscid interaction. The method of hodograph transformation ... -
Mass Flow and Thrust Performance of Nozzles With Mixed and Unmixed Nonuniform Flow
(The American Society of Mechanical Engineers (ASME), 1995)The calculated thrust and mass flow rate of a nozzle depend on the uniformity of the entering flow. The one-dimensional flow equations are extended to arrive at analytic expressions for the ... -
Three-Dimensional Boundary Layers Over an Infinite Swept Bump and Free Wing
(The American Society of Mechanical Engineers (ASME), 1995)Three-dimensional laminar boundary layers past an infinite swept bump and free wing were investigated numerically using the fractional step method. The objective of the work was to study the ... -
Tumbling Flow in Loop-Scavenged Two-Stroke Engines
(The American Society of Mechanical Engineers (ASME), 1995)A multidimensional calculation procedure is used to investigate the flow in loop-scavenged two-stroke engine with curved cylinder heads. Five different cylinder heads are considered. The curvature ... -
Theoretical and Experimental Study of Development of Two-Dimensional Steady and Unsteady Wakes Within Curved Channels
(The American Society of Mechanical Engineers (ASME), 1995)Development of steady and periodic unsteady wake flows downstream of stationary and rotating cylindrical rods within a curved channel under zero longitudinal pressure gradient is theoretically and ...