Browsing Journal of Fluids Engineering by Issue Date
Now showing items 1-20 of 8892
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Numerical and Experimental Investigation of Streamlines for Tandem Impeller in a Centrifugal Pump
(The American Society of Mechanical Engineers (ASME), 1/13/2023 )Radial fluid machines with conventional impeller often lead to flow separation in the blade passage in case of high flow deflection. Tandem blades can be used to counteract this problem. Due to their properties, a new thin ... -
Prediction and Validation of Flow Properties in Porous Lattice Structures
(The American Society of Mechanical Engineers (ASME), 1/25/2023 )High-porosity metal foams have been extensively studied as an attractive candidate for efficient and compact heat exchanger design. With the advancements in additive manufacturing, such foams can be manufactured with ... -
Flow State at Impeller Inlet: Optimization of Conical Frustum Section of Elbow Inlet Conduit in Large Low-Lift Pump Station
(The American Society of Mechanical Engineers (ASME), 1/4/2023 1)In large low-lift pump stations, the pump assembly comprises an inlet conduit, a pump, and an outlet conduit. A short conical frustum section that connects the elbow section with the impeller inlet directly affects the ... -
On the Unsteady Rotationally Symmetric Flow Between a Stationary and a Finite Rotating Disk With a Given Change in the Axial Velocity
(The American Society of Mechanical Engineers (ASME), 1/4/2023 1)We consider the scenario of an unsteady viscous flow between two coaxial finite disks, one stationary and the other rotating with an axial velocity changing impulsively from zero to a constant value. The three-dimensional ... -
Erratum: “Symmetric and Asymmetric Disturbances in the Rayleigh Zone of an Air-Assisted Liquid Sheet: Theoretical and Experimental Analysis,” ASME J. Fluid Eng., 2020, 142(7), p. 071302, DOI: 10.1115/1.4045998
(The American Society of Mechanical Engineers (ASME), 11/23/2022)An error occurs on Page 071302–3. The independent variable associated with the derivative of Ø1and Ø2 in Eqs. (6) and (7) is not described correctly.The right expressions for Eqs. (6) and (7) are (6)−(U1+∂Ø1∂x)∂η∂x+∂Ø1∂z ... -
Computational Fluid Dynamics Modeling of Gaseous Cavitation in Lubricating Vane Pumps: On Metering Grooves for Pressure Ripple Optimization
(The American Society of Mechanical Engineers (ASME), 12/21/2022)This paper addresses the topic of balanced vane pump simulations for pressure ripple optimization by means of metering grooves at the leading edge of delivery ports. It presents a computational fluid dynamics case study ... -
Numerical and Theoretical Investigation of the Gap Flow in Centrifugal Fans for Design and Off-Design Conditions
(The American Society of Mechanical Engineers (ASME), 12/21/2022)Industrial turbomachines, such as fans and blowers for drying, venting, cooling or conveying tasks, are often used in industrial applications and frequently are large energy consumers. Thus, there is a need for further ... -
A New Approach to Linear Filtering and Prediction Problems
(The American Society of Mechanical Engineers (ASME), 1960)The classical filtering and prediction problem is re-examined using the Bode-Shannon representation of random processes and the “state-transition” method of analysis of dynamic systems. New results ... -
Theoretical and Experimental Analysis of Hydrostatic Thrust Bearings
(The American Society of Mechanical Engineers (ASME), 1960)This paper presents theoretical and experimental analysis of two types of circular hydrostatic thrust bearings, using incompressible lubricants. Design equations for load-carrying capacity, stiffness, ... -
Discussion: “Steady Creep of a Tube Under Combined Bending and Internal Pressure” (Finnie, Iain, 1960, ASME J. Basic Eng., 82, pp. 462–464)
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Discussion: “Effect of Wall Thickness on Stress-Rupture Life of Tubular Specimens” (Tucker, Jr., J. T., Coulter, E. E., and Kooistra, L. F., 1960, ASME J. Basic Eng., 82, pp. 465–473)
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Discharge Coefficients and Steady-State Flow Forces for Hydraulic Poppet Valves
(The American Society of Mechanical Engineers (ASME), 1960)Experiments were run on a poppet valve operating in hydraulic oil. The experimental values of the flow forces and discharge coefficients were about 25 per cent below the predicted theoretical ... -
Discussion: “Cyclic Operation of Pressure Piping With γ Heating” (Merckx, K. R., 1960, ASME J. Basic Eng., 82, pp. 447–451)
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Discussion: “Design of Pressurized Cylinders for High-Temperature Applications” (Traexler, J. F., 1960, ASME J. Basic Eng., 82, pp. 477–481)
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Crossover Systems Between the Stages of Centrifugal Compressors
(The American Society of Mechanical Engineers (ASME), 1960)The location and orientation of vanes in an annulus are established on the basis of two principles which result from a discussion of simple elbows. These principles are incorporated into a ... -
Discussion: “Dynamics of Heat Exchangers and Their Models” (Thal-Larsen, Herman, 1960, ASME J. Basic Eng., 82, pp. 489–500)
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Separation Prediction for Conical Diffusers
(The American Society of Mechanical Engineers (ASME), 1960)A method of incompressible turbulent boundary-layer analysis based on the D parameter introduced by D. Ross is applied to conical-diffuser flow. The separation conditions are shown to depend on ... -
Flow Parameters in Hydrostatic Lubrication for Several Bearing Shapes
(The American Society of Mechanical Engineers (ASME), 1960)In the case of hydrostatic lubrication the designer of thrust bearings has to make decisions regarding the shape of pads, location of oil holes, and configuration of oil grooves. In this paper ... -
On Cathodic Protection in Cavitation Damage
(The American Society of Mechanical Engineers (ASME), 1960)An experimental procedure has been developed which makes possible accurate and reproducible determinations of cavitation damage. This procedure has been applied to a study of the effect of ... -
Precise Measurement of Clothes Insulation During Controlled Operation of the Human
(The American Society of Mechanical Engineers (ASME), 1960)It has been demonstrated that it is possible to measure the resistance of clothing as an ohmic relation between time-averaged equilibrium values of the flux of power (metabolism) and the ...