[PDF] Top 20 The second frequencies in the wake behind two circular cylinders

... A wake behind one or more circular cylinders in different configurations and settings is a topic in the field of fluid mechanics, which has been given a lot of attention for decades, yet it is ... See full document

... wider wake for the downstream cylinder (-1 ≲ y/D ≲ 2) compare with a single cylinder (-1 ≲ y/D ≲ 1), see ...are two cylinders in smooth flow, the vortices are suppressed and broken into smaller ... See full document

... considering two important ...effect. Second, vortices washed from the leading cylinder buffet the trailing ...the wake force becomes dominant at very large spacings ( �/� ... See full document

... plates behind two side-by-side square cylinders (with center-to-center distance equal ...square cylinders were highly synchronized and coherent spanwise, allowing effective sound reduction ... See full document

... of two flexibly-mounted circular cylinders arranged in tandem and subject to fluid cross flows has been presented and ...by two different semi- empirical wake oscillator models based on ... See full document

... of two side-by-side circular cylinders with a splitter plate in shallow ...the wake structure downstream of each of the cylinders was narrow and ...the cylinders for L/D ...the ... See full document

... a circular cy- linder verifying Japan Society of Mechanical Engineers Standard S012-1998, Guideline for Evaluation of Flow-induced Vibration of a Cylindrical Struc- ture in a Pipe , are summarized and discussed in ... See full document

... the wake behind two cylinders positioned closely ...spaced cylinders form strong and organized vortices, through the extended body and reattachment flow regimes, that drive the Kármán ... See full document

... Figure 6(a) demonstrates that the boundary integral formulation yields results close to those obtained using multiple scattering theory for an array of horizontal cylinders above acoustically-rigid ground. In case ... See full document

... between two vertical concentric circular cylinders governed by a Navier-Stokes equation by utilizing slip boundary condition and toexaminethe effect of slip length and the radius of the gap between  ... See full document

... street behind the main cylinder at low Reynolds ...control cylinders on the main ...the circular cylinder which is oscillating in the direction of flow using the flow visualization technique based on ... See full document

... both cylinders are rotating with different velocities about a common axis and the cylinders are in relative motion along the ...a second order fluid is allowed to flow in the annulus under constant ... See full document

... over two cylinders is a topic of prime scientific interest with many engineering and real life ...on two cylinders were concerned with two rotating and non- rotating cylinders of ... See full document

... homogenous, two-dimensional Newtonian fluid flow past bluff ...In two dimensions these discrete vortices, also known as vortex blobs, induce a velocity on each other and are allowed to move with the fluid ... See full document

... Abstract: This paper aims to highlight the wind tunnel testing techniques and the Computational Fluid Dynamics (CFD) studies on a scaled-down microlight model for its aerodynamic characteristics. The wind tunnel testing ... See full document

... In order to estimate the drag generated by the body alone [parasite drag (e.g. Pennycuick, 1989; Pennycuick, 2008)], the out-of-plane (x) velocity defect behind the body was measured. When plotting the streamwise ... See full document

... the circular transcriptome speci fi c for EC as determined by RNA sequencing and found that the abundance of circRNAs was lower in the grade 1 – 2 EC than in adjacent non- cancerous endometrial ... See full document

... disorganized wake may sometimes be ...the wake behind tail 2, flapping at its resonant frequency, showed very little structure in the far wake ... See full document

... Renewable energy sources are increasingly popular for their emission-free power generation. The tremendous increase in the wind turbine installation is expected to continue in the future with the current worldwide ... See full document

... with second-order accuracy in space and time, and paral- lelized with a message passing interface (MPI), in which the domain is divided into unstructured blocks of struc- tured ... See full document