Journal of Fluids Engineering: Recent submissions
Now showing items 7121-7140 of 9024
-
Exploration of the Iceformation Method Applied to a Diffuser
(The American Society of Mechanical Engineers (ASME), 1988)The design of optimum flow surfaces has been a challenging task for fluid dynamicists ever since the concept of fluid drag was realized. This paper will serve to introduce another method of ... -
Mean Flow and Turbulence Measurements of Annular Swirling Flows
(The American Society of Mechanical Engineers (ASME), 1988)This paper presents the results of a detailed experimental investigation of swirling flows in a cylindrical annulus. Flows having nominal swirl angles of 0, 15, 30, and 45 degrees were measured. ... -
Turbulence Measurements With Symmetrically Bent V-Shaped Hot-Wires. Part 1: Principles of Operation
(The American Society of Mechanical Engineers (ASME), 1988)A new anemometry technique has been developed for turbulence measurements near the wall, where the conventional X-wire method is subject to large errors due to aerodynamic disturbances caused ... -
Studies of Power Station Feed Pump Loss of Suction Pressure Incidents
(The American Society of Mechanical Engineers (ASME), 1988)Open cycle feed systems featuring a deaerator followed by the boiler feed pumps have been subject to unexpected loss in net positive suction head during transient operation. This has been ... -
Details of the Computed Flowfield Over a Circular Cylinder at Reynolds Number 1200
(The American Society of Mechanical Engineers (ASME), 1988)The application of an upwind-biased implicit approximate factorization Navier-Stokes algorithm to the unsteady impulsive start-up flow over a circular cylinder at Reynolds number 1200 is described. ... -
Discussion: “Erosion Due to Impingement of Cavitating Jet” (Yamaguchi, A., and Shimizu, S., 1987, ASME J. Fluids Eng., 109)
(The American Society of Mechanical Engineers (ASME), 1988) -
Very Low Reynolds Number Flow Through Screens
(The American Society of Mechanical Engineers (ASME), 1988) -
Unified Equation of Motion (UEM) Approach as Applied to S1 Turbomachinery Problems
(The American Society of Mechanical Engineers (ASME), 1988)Incompressible, blade-to-blade (SI surface) flow solutions for stators and rotors of turbomachines are obtained utilizing an approach which combines the equations of motion into a single elliptic, ... -
Adiabatic and Diabatic Flow Studies by Shear Stress Measurements in Annuli With Inner Cylinder Rotation
(The American Society of Mechanical Engineers (ASME), 1988)The shear stress, occurring at the outer surface of a vertical annular gap formed by a stationary outer cylinder and a rotatable inner cylinder, was measured for a wide range of conditions, ... -
The Mean Flow Structure Around and Within a Turbulent Junction or Horseshoe Vortex—Part II. The Separated and Junction Vortex Flow
(The American Society of Mechanical Engineers (ASME), 1988)The mean flow structure upstream, around, and in a turbulent junction or horseshoe vortex are reported for an incompressible, subsonic flow. This fully documented, unified, comprehensive, and ... -
Measurement and Prediction of the Effects of Nonuniform Surface Roughness on Turbulent Flow Friction Coefficients
(The American Society of Mechanical Engineers (ASME), 1988)The status of prediction methods for friction coefficients in turbulent flows over nonuniform or random rough surfaces is reviewed. Experimental data for friction factors in fully developed pipe ... -
Potential Core of a Submerged Laminar Jet
(The American Society of Mechanical Engineers (ASME), 1988)This study is intended to clarify the flow pattern in the flow developing region of an axisymmetric laminar water jet issuing into the surrounding calm water. The jet, initially having a ... -
The Mean Flow Structure Around and Within a Turbulent Junction or Horseshoe Vortex—Part I: The Upstream and Surrounding Three-Dimensional Boundary Layer
(The American Society of Mechanical Engineers (ASME), 1988)The mean flow structure upstream, around, and in a turbulent junction or horseshoe vortex is reported for an incompressible, subsonic flow. This fully documented, unified, comprehensive, and ... -
Symmetric and Asymmetric Turbulent Flows in a Rectangular Duct With a Pair of Ribs
(The American Society of Mechanical Engineers (ASME), 1988)Laser-Doppler velocimetry (LDV) measurements are presented of mean velocity and turbulence intensity for turbulent flows past a pair of ribs in a rectangular duct of aspect ratio 2. The Reynolds ... -
Predictions of the Laminarization Phenomena in an Axially Rotating Pipe Flow
(The American Society of Mechanical Engineers (ASME), 1988)Numerical predictions are compared with the experiments of swirling turbulent flows in a pipe where the swirl is driven by the pipe wall rotating around the pipe axis. The laminarization ... -
Measurement and Prediction of Rough Wall Effects on Friction Factor—Uniform Roughness Results
(The American Society of Mechanical Engineers (ASME), 1988)The results of an experimental investigation of the effects of surface roughness on turbulent pipe flow friction factors are presented and compared with predictions from a previously published ... -
Determination of Incompressible Flow Friction in Smooth Circular and Noncircular Passages: A Generalized Approach Including Validation of the Nearly Century Old Hydraulic Diameter Concept
(The American Society of Mechanical Engineers (ASME), 1988)It has been demonstrated conclusively that the widely observed differences in data for frictional pressure coefficient between circular and noncircular passages derive from the inseparably connected ... -
Laser Velocimeter Measurements in a Model Propeller Flowfield
(The American Society of Mechanical Engineers (ASME), 1988)The objective of this work was to demonstrate the usability of a laser velocimeter data acquisition and reduction techniques for ensemble-averaged velocity measurements near and between rotating ... -
Radial and Axial Turbulent Flow Measurements With an LDV in an Axisymmetric Sudden Expansion Air Flow
(The American Society of Mechanical Engineers (ASME), 1988)Radial velocity component measurements in cylindrical tubes have been difficult to make because of optical aberrations introduced by the curved tube wall. This is particularly troublesome in gas ... -
Experimental and Numerical Study of the Response of an Axial Compressor to Distorted Inlet Flow
(The American Society of Mechanical Engineers (ASME), 1988)A model representing the response of fixed or rotating axial compressor blade-rows is coupled to a 3-D numerical simulation of the flow outside the blade rows. The code can be used to study ...