Now showing items 421-440 of 9024

    • Application of the Equivalent Markov Motion Model in Solving Solid Particle Erosion and Droplet Deposition 

      Zhang, Ri;Wang, Yumiao (The American Society of Mechanical Engineers (ASME), 2022)
      The equivalent Markov motion model (EMMM) is used to improve the probability model for solid particle erosion and droplet deposition. When calculating the solid particle erosion, the probability density distribution of ...
    • Analysis of Flow Maldistribution in Compact Heat Exchangers 

      Strobel, M.;Mortean, M. V. V. (The American Society of Mechanical Engineers (ASME), 2022)
      Most theoretical models related to thermal performance and the evaluation of pressure drop on compact heat exchangers, consider that the mass flow rate is constant and equal in all core channels. However, this hypothesis ...
    • Flow Over a Square Cylinder at Intermediate Reynolds Numbers 

      Sharma, K. R.;Dutta, S. (The American Society of Mechanical Engineers (ASME), 2022)
      This study experimentally investigates the flow over a stationary square cylinder in the test section of a subsonic wind tunnel. Hotwire anemometry (CTA type), particle image velocimetry (2C-PIV), and flow visualization ...
    • General Solution for Self-Similar Mixing Layers 

      DeVoria, A. C. (The American Society of Mechanical Engineers (ASME), 2022)
      In this note, a longstanding indeterminacy in the solution of self-similar planar mixing layers is resolved. It is shown that the boundary condition that offers the largest set of self-similar solutions is the specification ...
    • Flow Around Curved Tandem Cylinders 

      Aasland, Tale E.;Pettersen, Bjørnar;Andersson, Helge I.;Jiang, Fengjian (The American Society of Mechanical Engineers (ASME), 2022)
      The flow around curved tandem cylinders of equal diameter has been investigated for the first time, by means of direct numerical simulations. A convex configuration was used. The nominal gap ratio was L/D = 3.0 and a ...
    • Propulsive Effect of Wall Vibrations 

      Haq, N. N.;Floryan, J. M. (The American Society of Mechanical Engineers (ASME), 2022)
      Propulsion generated by wall vibrations in the form of traveling waves was investigated. A model problem consisting of two parallel plates free to move with respect to each other was used. Vibration of one of these plates ...
    • Aerodynamics of Sweep in a Tandem-Bladed Subsonic Axial Compressor Rotor 

      Kumar, Amit;John, Jerry T.;Chhugani, Hitesh;Kumar, Akshay;Pradeep, A. M. (The American Society of Mechanical Engineers (ASME), 2022)
      The present numerical investigation aims to understand the effect of the chordwise sweep on the performance of a tandem rotor. In a tandem compressor rotor, diffusion is achieved through two smaller airfoils, which are ...
    • Flow Control for a Submerged Inlet 

      Xie, Wenzhong;Zeng, Cheng;Wang, Zhenyu;Guo, Shengmin (The American Society of Mechanical Engineers (ASME), 2022)
      Submerged inlets have the advantages of low drag, clean outer profile, and excellent stealth performance. Previous studies indicate that the zones of large total-pressure loss, located at the bottom and top regions of the ...
    • Optimization of Exhaust Covers in Marine Scrubbers 

      Poulsen, Mathias;Sørensen, Kim;Condra, Thomas (The American Society of Mechanical Engineers (ASME), 2022)
      The number of marine scrubbers installed in industry has been on the rise over the past decade and is expected to continue in the coming years. Therefore, it is essential to ensure that the design of the scrubbers enables ...
    • Stagnation Point and Meniscus of Low Inertia Free Drag-Out of Liquid by Thin Strip 

      Ahmed, Rubel;Kosasih, Buyung;Johnstone, Andrew D. (The American Society of Mechanical Engineers (ASME), 2022)
      The time-averaged film thickness of the coating on a smooth strip from a bath can be predicted by the Landau-Levich (LL), and Derjaguin theory for low inertia and low Capillary number, Ca. Using the smoothed particle ...
    • In Memoriam: Frank M. White (1933–2022) 

      Majdalani, Joseph (The American Society of Mechanical Engineers (ASME), 2022)
      Frank M. White, Editor-in-Chief of the ASME Journal of Fluids Engineering (1979–1990)An ASME Fellow and former Editor-in-Chief of the ASME Journal of Fluids Engineering (1979–1990), Frank M. White, Jr. passed away on March ...
    • Analytical Solution for Laminar Water Hammer With Frequency-Dependent Friction 

      Brühl, Martin (The American Society of Mechanical Engineers (ASME), 2022)
      An analytic solution for the classical water hammer problem for unsteady laminar pipe flow involving Zielke's frequency-dependent friction model is derived. By means of separation of variables, the solution of the initial ...
    • Assessment of an Improved Delayed X-LES Hybrid Model for the Study of Off-Design Conditions in Centrifugal Pumps 

      Fracassi, A.;De Donno, R.;Ghidoni, A.;Noventa, G. (The American Society of Mechanical Engineers (ASME), 2022)
      Centrifugal pumps work in a wide range of conditions, often far from the design condition. The flow field can be characterized by large separations, vortex dynamics, and, in general, unsteady turbulent phenomena. Strongly ...
    • Couette–Poiseuille Flow in Semi-Elliptic Channels 

      Lopes, A. v. B.;Siqueira, I. R. (The American Society of Mechanical Engineers (ASME), 2022)
      We present a novel analytical solution for Couette flows of incompressible Newtonian fluids in channels with a semi-elliptical cross section. The flow is steady, unidirectional, satisfies the no-slip condition at the ...
    • A Compound Droplet Undergoing Thermocapillary Migration Passing Through a Constricted Tube 

      Nguyen, Vinh T.;Vu, Truong V.;Nguyen, Phan H.;Nguyen, Hoe D.;Pham, Binh D.;Vu, Hung V. (The American Society of Mechanical Engineers (ASME), 2022)
      In this paper, we numerically investigate the dynamics of a compound droplet driven by surface tension variation induced by a thermal gradient in a sinusoidal constriction tube. Initially, the compound droplet with a ...
    • Two-Phase Flow Simulations of Liquid/Gas Transport in Radial Centrifugal Pumps With Special Emphasis on the Transition From Bubbles to Adherent Gas Accumulations 

      Hundshagen, Markus;Rave, Kevin;Nguyen, Bich-Diep;Popp, Sebastian;Hasse, Christian;Mansour, Michael;Thévenin, Dominique;Skoda, Romuald (The American Society of Mechanical Engineers (ASME), 2022)
      In recent optical flow experiments on a transparent volute-type radial centrifugal pump, an accumulation of air bubbles to adherent gas pockets within the impeller blade channels was observed. A transition of unsteady ...
    • Reviewer's Recognition 

      Unknown author (The American Society of Mechanical Engineers (ASME), 2022)
      The Reviewers of the Year Award is given to reviewers who have made an outstanding contribution to the journal in terms of the quantity, quality, and turnaround time of reviews completed during the past 12 months. The prize ...
    • Cavitation Characterization of Fluid Machinery Based on Cyclostationary Analysis: Part 2—Cavity Development Evaluation by Modulation Intensity 

      Wu, Kelin;Wu, Chengshuo;Wu, Peng;Cao, Linlin;Ye, Haojie;Wu, Dazhuan;Antoni, Jérôme (The American Society of Mechanical Engineers (ASME), 2022)
      In the previous paper, the high potential of the spectral correlation to identify cavity type has been demonstrated. This paper dedicates its efforts to cavity development evaluation and shows how the proposed modulation ...
    • Curvature-Sensitive Transition Model Application to Flow Around a Smooth Circular Cylinder 

      Hafez; Ahmed M.;Abd El-Rahman; Ahmed I.;Khater; Hany A. (The American Society of Mechanical Engineers (ASME), 2022)
      Transition modeling in complex flow situations including adverse pressure gradient, streamline curvature, and massive flow separation represents one of the key challenges in computational fluid dynamics that greatly affects ...
    • Investigation on Heat Transfer Characteristics of Rectangular Channels With Internal Rough Surface Naturally Formed by Selective Laser Melting Three-Dimensional Printing 

      Deng; Yipan;Fu; Lei;Liu; Yinshui;Jiang; Xin;Cui; Yan;Wu; Defa (The American Society of Mechanical Engineers (ASME), 2022)
      As a metal three-dimensional (3D) printing technology, selective laser melting (SLM) has been extensively applied to manufacture complex-shaped parts in industries. It is well known that the naturally formed surface by SLM ...