Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 6. Journal of fluids engineering (Transactions of the ASME) - Juin 2009
| Titre : | Transactions of the ASME . Journal of fluids engineering, Vol. 131 N° 6. Journal of fluids engineering (Transactions of the ASME) - Juin 2009 |
| Type de document : | Bulletin |
| Paru le : | 29/09/2009 |
Dépouillements
Article : texte imprimé
Allan Carlsson, Auteur ;
Fredrik Lundell, Auteur ;
L. Daniel Söderberg, Auteur
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Three errors have been detected in a further analysis of the data.The first error is that the reported frame rate of the camera is incorrect. This means that the velocities of the fibers should be divided by two. Another consequence is that the [...]
Article : texte imprimé
Andrew W. Chen, Auteur ;
Ephraim M. Sparrow, Auteur
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Two geometric modalities were investigated to determine their effects on the degree of uniformity of the flow issuing from a manifold through a discrete set of exit ports. The goal of the investigation was to demonstrate how these geometric para[...]
Article : texte imprimé
Jonas Ask, Auteur ;
Lars Davidson, Auteur
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The case investigated is the flow past a generic side mirror mounted on a flat plate at the Reynolds number of ReD=5.2×105 based on the mirror diameter. The present work studies both flow and acoustic sources by evaluating two second-order advec[...]
Article : texte imprimé
The exit flow patterns of an axial flow fan widely used in electronics cooling are experimentally characterized both in free exit and in the presence of a flat impingement plate. The axial fan is rotated with 12.0 V input from a dc power supply,[...]
Article : texte imprimé
Shin-Hyoung Kang, Auteur ;
Su-Hyun Ryu, Auteur
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This paper studies the effect of the Reynolds number on the performance characteristics of a small regenerative pump. Since regenerative pumps have low specific speeds, they are usually applicable to small devices such as micropumps. As the oper[...]
Article : texte imprimé
Nhan T. Nguyen, Auteur
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This paper describes a modeling method for closed-loop unsteady fluid transport systems based on 1D unsteady Euler equations with nonlinear forced periodic boundary conditions. A significant feature of this model is the incorporation of dynamic [...]
Article : texte imprimé
Auro Ashish Saha, Auteur ;
Sushanta K. Mitra, Auteur
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A two-dimensional numerical simulation of flow in patterned microchannel with alternate layers of different sizes of hydrophilic and hydrophobic surfaces at the bottom wall is conducted here. The effect of specified contact angle and working flu[...]
Article : texte imprimé
Atakan Avci, Auteur ;
Irfan Karagoz, Auteur
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In this paper, we propose a novel explicit equation for friction factor, which is valid for both smooth and rough wall turbulent flows in pipes and channels. The form of the proposed equation is based on a new logarithmic velocity profile and th[...]
Article : texte imprimé
E.- S. Zanoun, Auteur ;
M. Kito, Auteur ;
C. Egbers, Auteur
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The present paper reports observations on some aspects regarding the dependence of the transition Reynolds number and flow development on the inlet flow conditions and the entrance length in circular and rectangular ducts for Rem≤106×103, where [...]
Article : texte imprimé
G. F. K. Tay, Auteur ;
D. C. S. Kuhn, Auteur ;
M. F. Tachie, Auteur
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This paper reports an experimental investigation of the effects of wall roughness and favorable pressure gradient on low Reynolds number turbulent flow in a two-dimensional asymmetric converging channel. Flow convergence was produced by means of[...]
Article : texte imprimé
A. Sahaya Grinspan, Auteur ;
R. Gnanamoorthy, Auteur
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Compressive residual stresses that improve fatigue strength of material are obtained by peening the surface. Unlike traditional processes, a novel process of oil cavitation jet peening was developed. The process is based on implosion generated b[...]
Article : texte imprimé
Keiichi Ishiko, Auteur ;
Naofumi Ohnishi, Auteur ;
Kazuyuki Ueno, Auteur
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For the aim of computing compressible turbulent flowfield involving shock waves, an implicit large eddy simulation (LES) code has been developed based on the idea of monotonically integrated LES. We employ the weighted compact nonlinear scheme ([...]
Article : texte imprimé
Mitsuo Kurata, Auteur ;
Yoshiaki Ueda, Auteur
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The flow past a rectangular cylinder with small cut-corners at the front-edge is investigated to discuss a relation between drag reduction and the cutout dimension. The rectangular shape is selected in eleven kinds of the length-to-breadth ratio[...]
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