Force coefficients and Strouhal numbers of four cylinders in cross flow

K Lam, JY Li, RMC So - Journal of Fluids and Structures, 2003 - Elsevier
This paper presents the measurements of force coefficients and Strouhal numbers (St) on
four cylinders in a square configuration at subcritical Reynolds numbers (Re) using a piezo …

Effect of the third body layer formed at different temperature on fretting wear behavior of 316 stainless steel in the composite fretting motion of slip and impact

S Zhang, L Liu, X Ma, G Zhu, W Tan - Wear, 2022 - Elsevier
Abstract 316 SS is a commonly used material for steam generator tube. The object of this
investigation is to study the influence of temperature, which is 95° C and 250° C, on the …

Effects of a fully submerged boulder within a boulder array on the mean and turbulent flow fields: Implications to bedload transport

AN Papanicolaou, CM Kramer, AG Tsakiris, T Stoesser… - Acta Geophysica, 2012 - Springer
The objective of this coupled experimental and numerical study is to provide insight into the
mean and turbulent flow fields within an array of fully submerged, isolated, immobile …

Impact-sliding fretting tribocorrosion behavior of 316L stainless steel in solution with different halide concentrations

X Ma, W Tan, R Bonzom, X Mi, G Zhu - Friction, 2023 - Springer
Impact-sliding caused by random vibrations between tubes and supports can affect the
operation of heat exchangers. In addition, a corrosive environment can cause damage …

Symmetric vortex shedding in the near wake of a circular cylinder due to streamwise perturbations

E Konstantinidis, S Balabani - Journal of Fluids and Structures, 2007 - Elsevier
Symmetric perturbations imposed on cylinder wakes may result in a modification of the
vortex shedding mode from its natural antisymmetric, or alternating, to a symmetric one …

CFD simulation and flow-induced vibration evaluation of PWR steam generator U tubes

X Guangming, W Yipeng, L Teng, G Kai… - Progress in Nuclear Energy, 2021 - Elsevier
For new types of steam generators (SG) for pressurized water reactors (PWRs), the flow-
induced vibration (FIV) of U tubes is one of the most important potential failure modes. The …

Flow dynamics and azimuthal behavior of the self-excited acoustic modes in axisymmetric shallow cavities

M Abdelmwgoud, M Shaaban, A Mohany - Physics of Fluids, 2020 - pubs.aip.org
Self-excitation of acoustic resonance in axisymmetric cavities can lead to a complex flow–
acoustic coupling, which may result in severe noise generation. In this work, a large eddy …

Large eddy simulation of cross-flow through a staggered tube bundle at subcritical Reynolds number

C Liang, G Papadakis - Journal of Fluids and Structures, 2007 - Elsevier
The Large Eddy Simulation (LES) technique is used to study the vortex shedding
characteristics inside a staggered tube array consisting of six rows with intermediate …

Flow-excited acoustic resonance of two tandem cylinders in cross-flow

A Mohany, S Ziada - Journal of Fluids and Structures, 2005 - Elsevier
The aeroacoustic response of two tandem cylinders in cross-flow is investigated
experimentally. Eleven spacing ratios between the cylinders, in the range of L/D= 1.2–4.5 …

Effect of tube spacing on the vortex shedding characteristics of laminar flow past an inline tube array: a numerical study

C Liang, G Papadakis, X Luo - Computers & Fluids, 2009 - Elsevier
The effect of tube spacing on the vortex shedding characteristics and fluctuating forces in an
inline cylinder array is studied numerically. The examined Reynolds number is 100 and the …