Journal of Fluids Engineering: Recent submissions

Now showing items 6941-6960 of 9024

    • The Role of Atmosphere in the Creep-Rupture Behavior of 80 Ni-20 Cr Alloys 

      Robert Widmer; Nicholas J. Grant (The American Society of Mechanical Engineers (ASME), 1960)
      The microstructure of several 80 Ni-20 Cr alloys was studied after creep at 1500 and 1800 F with respect to the influence of atmosphere. In particular the propagation of intercrystalline cracks ...

    • Resonance in Bersimis No. 2 Piping System 

      E. B. Wylie; V. L. Streeter (The American Society of Mechanical Engineers (ASME), 1965)
      A condition of resonance in a large hydroelectric development is analyzed and the reasons the plant vibrated at selected frequencies and with definite pressure and discharge amplitudes are ...

    • System Oscillations Associated With Cavitating Inducers 

      L. E. Sack; H. B. Nottage (The American Society of Mechanical Engineers (ASME), 1965)
      The nature and inception of pressure and flow-rate oscillations associated with a high-speed cavitating inducer have been investigated by nonlinear analog computer simulation. The favorable accord ...

    • Plane-Strain Fracture Toughness of High-Strength Aluminum Alloys 

      C. M. Carman; D. F. Armiento; H. Markus (The American Society of Mechanical Engineers (ASME), 1965)
      The plane-strain fracture toughness of precipitation-hardening aluminum alloys of 7000 and 2000 series and a strain-hardening alloy 5456 have been determined at both room temperature and −320 F ...

    • An Approximate Analysis of Deflections of Beams in Creep Bending 

      H. R. Meck (The American Society of Mechanical Engineers (ASME), 1965)
      A method is developed for estimating deflections in beams subjected to creep bending. Many structures which require lengthy calculations when solved by conventional methods can be analyzed easily ...

    • An Elastic-Plastic Curved Bar Analysis 

      I. S. Tuba (The American Society of Mechanical Engineers (ASME), 1965)
      A simple approach is given for the analysis of stress and strain in curved bars when the tangential stress and strain are related by Neuber’s law.

    • An Engineering Basis for Establishing Radiographic Acceptance Standards for Porosity in Steel Weldments 

      H. Greenberg (The American Society of Mechanical Engineers (ASME), 1965)
      Radiographic acceptance standards, such as those found in the ASME Unfired Pressure Vessel Code are critically reviewed. Limits on the size and distribution of porosity in steel welds are ...

    • The Interaction Effect of Neighboring Holes or Cavities, With Particular Reference to Pressure Vessels and Rocket Cases 

      R. E. Peterson (The American Society of Mechanical Engineers (ASME), 1965)
      The problem treated in this paper is the following: If the strength of a member is reduced a certain amount by the presence of a single hole (or cavity), how close can a second hole (or ...

    • Stress-Rupture of Metals Under Increasing Stress 

      G. H. Rowe; H. R. Meck (The American Society of Mechanical Engineers (ASME), 1965)
      The prediction of rupture life of several high temperature alloys (Hastelloy X, Type 316 stainless steel, Cb-1 Zr) was investigated analytically and experimentally for the case of linearly ...

    • A Behavioral Model for the Fracture of Surface Hardened Components 

      L. J. Ebert; F. T. Krotine; A. R. Troiano (The American Society of Mechanical Engineers (ASME), 1965)
      An analytical model has been developed which shows that the fracture of surface hardened components initiates at the subsurface interface because of the triaxial stress-state developed at this location.

    • Uranium-Molybdenum Alloy for Use in a Prompt-Burst Reactor 

      F. Rienecker; W. H. Moran (The American Society of Mechanical Engineers (ASME), 1965)
      A large prompt-burst nuclear reactor, “Super Kukla,” required a core of material that would withstand unusually high stress levels resulting from rapid thermal expansion and inertia loads. An ...

    • Survey of Various Special Tests Used to Determine Elastic, Plastic, and Rupture Properties of Metals at Elevated Temperatures 

      F. Garofalo (The American Society of Mechanical Engineers (ASME), 1960)
      Testing techniques employed in determining the elastic moduli, that is, Young’s modulus, shear modulus, and Poisson’s ratio, at room and elevated temperatures are described. These techniques depend ...

    • Push-Pull Fatigue Strength of Mild Steel at Very High Frequencies of Stress Up to 100 kc/s 

      M. Kikukawa; K. Ohji; K. Ogura (The American Society of Mechanical Engineers (ASME), 1965)
      Previous investigations of frequency on fatigue strength are briefly reviewed in this paper. New resonant-type push-pull fatigue testing machines at 50 and 100 kc/s were also developed by using ...

    • Plastic Strain Fatigue in Air and Vacuum 

      D. E. Martin (The American Society of Mechanical Engineers (ASME), 1965)
      The plastic strain-life relation for several ductile materials is examined in both air and vacuum and interpreted in light of the well-known plastic strain (ΔξP ) life (N) relation, N1/2 ΔξP ...

    • Torque Produced by Misalignment in Short Lubricated Bearings 

      L. Galletti-Manacorda; G. Capriz (The American Society of Mechanical Engineers (ASME), 1965)
      The torque due to the lubricant, and acting on a journal in a short cylindrical bearing, is derived in the special, and particularly simple, case of a journal whirling and rocking in the ...

    • An Investigation of Self-Acting Foil Bearings 

      J. T. S. Ma (The American Society of Mechanical Engineers (ASME), 1965)
      Experimental results on the interior and the exit region film-thickness measurements of self-acting foil bearings are presented and discussed. These measurements were made with capacitive sensors ...

    • The Theory of the Infinitely Wide, Perfectly Flexible, Self-Acting Foil Bearing 

      A. Eshel; H. G. Elrod (The American Society of Mechanical Engineers (ASME), 1965)
      The differential equations applicable to the film thickness beneath an infinitely wide, perfectly flexible self-acting tape are derived in this paper. Accurate numerical solutions are obtained for ...

    • Thermal Wedge Lubrication of Parallel Surface Thrust Bearings 

      I. G. Currie; C. A. Brockley; F. A. Dvorak (The American Society of Mechanical Engineers (ASME), 1965)
      The parallel surface thrust bearing has been studied both theoretically and experimentally. The general equations governing the laminar flow of a Newtonian fluid are presented and suitably reduced ...

    • Hydromagnetic Squeeze Films Between Two Conducting Surfaces 

      J. B. Shukla; R. Prasad (The American Society of Mechanical Engineers (ASME), 1965)
      This paper gives an analytical investigation of the hydromagnetic theory for squeeze films between two conducting surfaces. It is shown that increase in load capacity, pressure, and time of ...

    • Plane-Contact Problem of Thermoelasticity During Quasi-Stationary Heat Generation on the Contact Surfaces 

      M. V. Korovchinski (The American Society of Mechanical Engineers (ASME), 1965)
      When determining the surface temperature on the contact of two rubbing bodies employing the widely used method offered by Block, it is assumed that the distribution of pressure in the contact ...