Experimental investigation of vortex streets
WebAug 23, 2024 · Five groups of vortex streets were captured, and each group was observed by two satellite images within one hour. Based on the displacement and change in the vortex street within one hour, we found that the formation time … WebAug 5, 2015 · In the context of dam breaks, tsunami, and flash floods, it is paramount to quantify the time-history of forces by the rapidly transient flow to vertical structures and the characteristics of the induced flow patterns. To resemble on-land tsunami-induced flow, a free-surface-piercing structure is exposed to long leading depression waves in a tsunami …
Experimental investigation of vortex streets
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Websubchannels, the individual vortex streets across each narrow gap are coupled and form a rod bundle vortex network [1]. A thorough historical overview of early misconceptions … WebVortex streets behind circular cylinders and fiat plates were investigated experimentally in a water tank. Photography and hot-wire techniques were used. The important points …
WebSemantic Scholar extracted view of "Discussion: “Experimental Investigation of the Vortex Street Generated by a Plane Jet in a Counter Flow” (Robillard, L., and Ramamurthy, A. S., 1974, ASME J. Fluids Eng., 96, pp. 43–48)" by R. Curtet WebMar 29, 2006 · Durgin, W. W. 1970 An experimental and analytical investigation of the mechanism causing the phenomenon of vortex street breakdown. Ph.D. Thesis, Brown …
WebVortex streets behind circular cylinders and fiat plates were investigated experimentally in a water tank. Photography and hot-wire techniques were used. The important points resulting from the investigation are as follows. (1) Walls increase the stability of the wake. (2) Two parallel walls have a compressing effect on the vortex street. WebApr 13, 2024 · Our results reveal that when the rods spun with sufficiently large angular velocities, the (non-Kármán) vortex street was progressively organized and the part of the wake associated ... employed a similar approach for an experimental investigation of floating bluff bodies in a water channel. B. Definition of rotation rates. The angular ...
WebAn experimental investigation of Strouhal number (St), time-mean, and fluctuating forces on, and flow structures around, two identical circular cylinders at stagger angle α = 0°-180° and gap-spacing ratio T/D. 43 Nonlinear evolution of two vortex sheets moving separately in uniform shear flows with opposite direction C. Matsuoka Physics
WebThe Verification of the Origins of Rotation in Tornadoes Experiment (or VORTEX) are field experiments that study tornadoes.VORTEX1 was the first time scientists completely … biokaasun hinta tänäänWebJul 9, 2014 · Experimental investigation of flow development and gap vortex street in an eccentric annular channel. Part 1. Overview of the flow structure Journal of Fluid … biokaasun jakeluvelvoiteWebJan 14, 2024 · Results of an experimental investigation related to near-field wing tip vortices are presented. The measurements were carried out using a PIV-system in T-1K wind tunnel of KNRTU-KAI.... biokaasun hintaWebFeb 8, 2013 · By a series of experiments with a cylinder mounted on a base without springs we verify that such wake stiffness is not only strong enough to sustain oscillatory motion, but can also dominate over the structural stiffness of the system. biokaasun tankkausasematWebApr 12, 2024 · In order to solve the shortcomings of traditional TLDs (tuned liquid dampers), such as their narrow frequency bands and their occupation of large amounts of space, … biokaari forssa elokuvatWebExperimental Investigation of Swirling Vortex Motion in Jets. Experiments have been carried out in a series of axisymmetric free turbulent jets with degrees of swirl covering … biokaiserWebApr 12, 2024 · The experiment uses a single-story shear-type frame structure model (32 cm in length, 11 cm in width, 50 cm in height) with two columns made of steel plates (2 mm in thickness) on both sides and a floor slab made of Plexiglas (3 mm in thickness). The dynamic characteristics are shown in Table 1. Table 1. Structural dynamic characteristics. biokaasun tuotanto