Journal of Fluids Engineering: Recent submissions
Now showing items 4821-4840 of 9024
-
Structure Inclination Angle in a Turbulent Adverse Pressure Gradient Boundary Layer
(The American Society of Mechanical Engineers (ASME), 2002)The effect of a strong adverse pressure gradient on the turbulent structure in an equilibrium boundary layer was studied using two-point space-time correlations. The ρuu correlations from the ... -
Cavitation in Hydraulic Tools Based on Thermodynamic Properties of Liquid and Gas
(The American Society of Mechanical Engineers (ASME), 2002)The simulation of cavitation phenomena plays an important role for development of modern hydraulic tools and injection systems. Cavitation leads to a reduction of mass flow and influences the ... -
Turbulence Control With Particle Image Velocimetry in a Backward-Facing Step1
(The American Society of Mechanical Engineers (ASME), 2002)A new concept of particle image velocimetry (PIV) for turbulence control is introduced. The PIV method is used to measure the flow and supply information on the turbulence quantities on-line ... -
Visualization of Shear Stress With Micro Imaging Chip and Discrete Wavelet Transform
(The American Society of Mechanical Engineers (ASME), 2002)The two-dimensional low-speed structure of a turbulent boundary layer has been clearly visualized by a combination of a shear stress sensor using micro electro mechanical systems and the discrete ... -
Effect of Swirl on Rotordynamic Forces Caused by Front Shroud Pump Leakage
(The American Society of Mechanical Engineers (ASME), 2002)Unsteady forces generated by fluid flow through the impeller shroud leakage path of a centrifugal pump were investigated. The effect of leakage path inlet swirl (pump discharge swirl) on the ... -
Discussion: “The Effect of Mean Stress on Fatigue Crack Propagation in Plates Under Extension and Bending” (Roberts, R., and Erdogan, F., 1967, ASME J. Basic Eng., 89, pp. 885–892)
(The American Society of Mechanical Engineers (ASME), 1968) -
Mach Number Influence on Reduced-Order Models of Inviscid Potential Flows in Turbomachinery
(The American Society of Mechanical Engineers (ASME), 2002)An unsteady inviscid flow through a cascade of oscillating airfoils is investigated. An inviscid nonlinear subsonic and transonic model is used to compute the steady flow solution. Then a small ... -
Thermal Damping in Cavitating Nozzle Flows
(The American Society of Mechanical Engineers (ASME), 2002)Recent investigations of bubbly cavitating nozzle flows using the polytropic law for the partial gas pressure have shown flow instabilities that lead to flashing flow solutions. Here, we investigate ... -
Reduced-Order Modeling of Unsteady Flows About Complex Configurations Using the Boundary Element Method
(The American Society of Mechanical Engineers (ASME), 2002)An approach to developing a general technique for constructing reduced-order models of unsteady flows about three-dimensional complex geometries is presented. The boundary element method along with ... -
Multidimensional Diagnostics of Turbine Cavitation1
(The American Society of Mechanical Engineers (ASME), 2002)A novel technique for vibro-acoustical diagnostics of turbine cavitation is introduced and its use demonstrated on a Francis turbine. The technique enables identification of different cavitation ... -
Turbulence and Phase Distribution in Bubbly Pipe Flow Under Microgravity Condition
(The American Society of Mechanical Engineers (ASME), 2002)The role of the turbulence in the void fraction distribution in bubbly pipe flow under microgravity condition is evaluated on the basis of numerical simulations using a Eulerian-Eulerian two-fluid ... -
Effect of Gap Size on Tip Leakage Cavitation Inception, Associated Noise and Flow Structure
(The American Society of Mechanical Engineers (ASME), 2002)This paper focuses on the onset of tip-leakage cavitation on a fixed hydrofoil. The objectives are to investigate the effect of gap size on the flow structure, conditions of cavitation inception, ... -
Discussion: “Frequency Dependent Friction in Transient Pipe Flow” (Zielke, W., 1968, ASME J. Basic Eng., 90, pp. 109–115)
(The American Society of Mechanical Engineers (ASME), 1968) -
Modeling and Direct Simulation of Velocity Fluctuations and Particle-Velocity Correlations in Sedimentation
(The American Society of Mechanical Engineers (ASME), 2002)In this paper we present direct numerical simulations of monodisperse and polydisperse suspensions of non-Brownian particles sedimenting at low Reynolds number. We describe a scheme to generate ... -
Discussion: “Distributed System Simulation With Bilated Delay-Line Models” (Auslander, D. M., 1968, ASME J. Basic Eng., 90, pp. 195–200)
(The American Society of Mechanical Engineers (ASME), 1968) -
Discussion: “Confined-Jet Amplifier” (Mayer, E. A., 1968, ASME J. Basic Eng., 90, pp. 103–108)
(The American Society of Mechanical Engineers (ASME), 1968) -
Discussion: “A Study of the Notch Effect and of Specimen Design and Loading on the Fatigue Properties of Cast Steel” (Wallace, J. F., Vishnevsky, C., and Briggs, C. W., 1968, ASME J. Basic Eng., 90, pp. 51–57)
(The American Society of Mechanical Engineers (ASME), 1968) -
Discussion: “An Experimental Study of the Turbulent-Flow Boundary-Layer Development in Smooth Annuli” (Okiishi, T. H., and Serovy, G. K., 1967, ASME J. Basic Eng., 89, pp. 823–836)
(The American Society of Mechanical Engineers (ASME), 1968) -
Discussion: “Jet Impact and Cavitation Damage” (Canavelis, R., 1968, ASME J. Basic Eng., 90, pp. 355–366)
(The American Society of Mechanical Engineers (ASME), 1968) -
Discussion: “Transient Effects in the Discharge of Compressed Air From a Cylinder Through an Orifice” (Deckker, B. E. L., and Chang, Y. F., 1968, ASME J. Basic Eng., 90, pp. 333–341)
(The American Society of Mechanical Engineers (ASME), 1968)