Journal of Fluids Engineering: Recent submissions

Now showing items 3181-3200 of 9024

    • A Method of Measuring Relaxation of Stress for Aluminum Alloys 

      Marshall Holt; K. O. Bogardus; P. H. Jacobus (The American Society of Mechanical Engineers (ASME), 1970)
      A method of measuring stress relaxation by the use of stressing frames, wherein a constant strain is maintained on the specimen, is discussed. The elastic strain introduced into the specimen ...

    • Mechanisms of Metal Removal by Impacting Dust Particles 

      C. E. Smeltzer; M. E. Gulden; W. A. Compton (The American Society of Mechanical Engineers (ASME), 1970)
      This is a two-part paper, which stresses the materials science approach to understanding dust erosion mechanisms. The first part is an experimental phase, studying the effects upon solid-particle ...

    • Stress-Corrosion Cracking and the Interaction Between Crack-Tip Stress Field and Solute Atoms 

      H. W. Liu (The American Society of Mechanical Engineers (ASME), 1970)
      Based on the elastic interaction between a solute atom and a tensile crack-tip stress field, a mechanism of stress-corrosion cracking was proposed and analyzed. This elastic interaction provides ...

    • Relaxation of Compression Springs at High Temperatures 

      M. J. Siegel; D. P. Athans (The American Society of Mechanical Engineers (ASME), 1970)
      An analysis is developed to determine the relaxation of cylindrical compression springs at temperatures where creep is predominantly steady state and the effect of transient creep and anelastic ...

    • Similarities and Differences in the Erosion Behavior of Materials 

      G. L. Sheldon (The American Society of Mechanical Engineers (ASME), 1970)
      A discussion is presented on the behavior of materials during erosion. A rigorous analysis must make an assumption as to the mechanism of material removal, i.e., either ductile or brittle. One ...

    • Parameter Representation of Dynamic Equilibrium in Creep and Fatigue 

      B. R. Gain; G. M. Sinclair (The American Society of Mechanical Engineers (ASME), 1970)
      In this study, a set of two parameters was used to describe the state of dynamic equilibrium for hardening and softening behavior in a variety of metallic materials, subjected to cyclic and ...

    • Measurement of Red Cell Modulus of Elasticity by in-Vitro and Model Cell Experiments 

      T. W. Hoeber; R. M. Hochmuth (The American Society of Mechanical Engineers (ASME), 1970)
      Because of the small size of the human red blood cell, it is difficult to measure the elasticity of the cell membrane. Previous techniques of measuring membrane elasticity involve high stress ...

    • An Analytical Investigation of the Cavitation Hypothesis of Brain Damage 

      J. V. Benedict; E. H. Harris; D. U. von Rosenberg (The American Society of Mechanical Engineers (ASME), 1970)
      An analytic investigation of the cavitation hypothesis of brain injury is performed by designing a mathematical model of the skull and brain subjected to an impact load. The skull is characterized ...

    • The Management of Pressure and Other External Factors in the Prevention of Ischemic Ulcers 

      P. H. Newell; J. D. Thornburgh; W. C. Fleming (The American Society of Mechanical Engineers (ASME), 1970)
      The primary external causes of ischemic ulcers or bedsores are (a) pressure, (b) abrasion with associated shear deformations, (c) moisture, and (d) lack of cleanness. These disturbances perturb ...

    • Calculations of the Flow of Natural Gas Through Critical Flow Nozzles 

      R. C. Johnson (The American Society of Mechanical Engineers (ASME), 1970)
      The mass flow rate of methane and 19 natural gas mixtures through critical flow nozzles has been calculated. The calculation assumes the flow to be one-dimensional and isentropic. The pressure ...

    • Cavitation Erosion Studies With Venturi and Rotating Disk in Water 

      B. C. Syamala Rao; N. S. Lakshmana Rao; K. Seetharamiah (The American Society of Mechanical Engineers (ASME), 1970)
      A study of the cavitation erosion behind blunt bodies with varying hydrodynamic factors of flow, such as, the test time, length of cavity, velocity, and pressure; the geometrical parameters of ...

    • The Natural Frequency of a Bubble Oscillating in a Viscous Compressible Liquid 

      A. Shima (The American Society of Mechanical Engineers (ASME), 1970)
      The natural frequency of a spherical gas-filled bubble oscillating in a viscous compressible liquid is derived. Surface tension is also included in this solution, but gravity, gas diffusion and ...

    • Laminar and Turbulent Incompressible Boundary Layers on Slender Bodies of Revolution in Axial Flow 

      T. Cebeci (The American Society of Mechanical Engineers (ASME), 1970)
      The boundary-layer equations for both laminar and turbulent incompressible flows over slender bodies of revolution in axial flow are solved by an implicit finite-difference method. The Reynolds ...

    • Mean Flow Calculations Behind Arbitrarily Spaced Cylinders 

      G. M. Bragg; H. S. Kohli; B. V. Seshagiri (The American Society of Mechanical Engineers (ASME), 1970)
      A finite array of arbitrarily spaced parallel rods is considered. It is assumed that momentum deficit may be superposed locally. The momentum deficit is computed behind each cylinder—considering ...

    • A Finite-Difference Method for Calculating Compressible Laminar and Turbulent Boundary Layers 

      T. Cebeci; A. M. O. Smith (The American Society of Mechanical Engineers (ASME), 1970)
      This paper presents a finite-difference method for solving laminar and turbulent-boundary-layer equations for incompressible and compressible flows about two-dimensional and axisymmetric bodies and ...

    • The Breakup of Superheated Liquid Jets 

      John H. Lienhard; James B. Day (The American Society of Mechanical Engineers (ASME), 1970)
      Observed average breakup lengths are presented for free orifice jets of superheated water and liquid nitrogen, and subcooled water. Dimensionless, semiempirical expressions are developed for both ...

    • Stability of Plane Channel Flow With Viscous Heating 

      K. C. Sahu; O. K. Matar (The American Society of Mechanical Engineers (ASME), 2010)
      The linear stability analysis of pressure-driven flow undergoing viscous heating through a channel is considered. The walls of the channel are maintained at different constant temperatures and ...

    • Liquid Sheet Breakup in Gas-Centered Swirl Coaxial Atomizers 

      V. Kulkarni; T. J. Tharakan; D. Sivakumar; C. Oommen (The American Society of Mechanical Engineers (ASME), 2010)
      The study deals with the breakup behavior of swirling liquid sheets discharging from gas-centered swirl coaxial atomizers with attention focused toward the understanding of the role of central ...

    • Modeling Blockage of Particles in Conduit Constrictions: Dense Granular-Suspension Flow 

      A. J. Parry; O. Millet (The American Society of Mechanical Engineers (ASME), 2010)
      This paper presents a numerical simulation study of dense granular-suspension flow in a conduit with constriction. An empirical function of solid concentrations and Reynolds number prescribes the ...

    • Effect of Grooves on Cavitation Around the Body of Revolution 

      Yongjian Li; Haosheng Chen; Jiadao Wang; Darong Chen (The American Society of Mechanical Engineers (ASME), 2010)
      Cavitation occurs widely in hydraulic machines, water and underwater vehicles, and lots of other equipments operating with liquids. Much research has been carried out to find out the factors ...