Flow-induced vibration of piggyback cylinders

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WebT1 - Towing tank experiment on flow-induced vibration of piggyback circular cylinders. AU - Ma, Bowen. AU - Srinil, Narakorn. AU - Zanganeh, Hossein. AU - Day, A H. PY - 2014/7. Y1 - 2014/7. N2 - This paper discussed towing tank experiment on flow-induced vibration of piggyback circular cylinders. WebJun 1, 2014 · For free vibrations of two side-by-side cylinders in a cross-flow, the system modal damping ratio and the natural frequency were found to be dependent on the spacing ratio [15]. Assi et al. [16] investigated the mechanism of wake-induced vibrations (WIV) of a pair of cylinders in a tandem arrangement. It was indicated that, different from the ...

Flow-induced vibrations of a rotating cylinder - Cambridge Core

WebApr 12, 2024 · Based on the two-dimensional hydrodynamic model of the finite volume method and structured multigrid, the flow characteristics around a square cylinder with boundary constraint are analysed. The gap ratio G/D (G is the distance from the cylinder to the channel boundary, and D is the side length of the square cylinder) does not change … WebMar 7, 2024 · Flexible cylinders, such as marine risers, often experience sustained vortex-induced vibrations (VIVs). Installing helical strakes on a riser is the most widely used technique to mitigate VIVs. This study was inspired by the giant Saguaro Cacti which can withstand strong wind with a shallow root system. In this study, numerical simulations of … in what county is flowery branch ga

Vortex-induced vibrations of piggyback pipelines near

WebJan 25, 2024 · FIVs of circular cylinders include vortex-induced vibrations (VIVs) and wake-induced vibrations (WIVs), and they have been the center of the fluid-structure … WebJun 8, 2024 · As a fundamental fluid-structure interaction (FSI) phenomenon, vortex-induced vibrations (VIVs) of circular cylinders have been the center of the FSI … in what county is fullerton ca

Wake dynamics and flow-induced vibration of a freely rolling …

Vortex-induced vibrations of piggyback pipelines near the …

WebOct 2, 2024 · The amplitudes of the flow-induced vibrations remain small over the entire parameter range, which can be attributed to the value of the added-mass force … WebFeb 6, 2014 · The flow-induced vibrations of a circular cylinder, free to oscillate in the cross-flow direction and subjected to a forced rotation about its axis, are analysed by means of two- and three-dimensional numerical simulations. The impact of the symmetry breaking caused by the forced rotation on the vortex-induced vibration (VIV) mechanisms is ... in what county is gaithersburg mdWebTowing tank experiment on flow-induced vibration of piggyback circular cylinders. 2014. Paper presented at ICMT 2014, Glasgow, United Kingdom. Paper presented at ICMT … only the brave gary cooper

"WebFlexNARA Team. MUFFINS: Modelling of transient slug flow-induced vibrations [ J Padrino ]*. MUFFINS: Modelling of phenomenological slug liquid-gas flows [ V Kurushina ]*. Wake dynamics of 3-D curved cylinder … " - Flow-induced vibration of piggyback cylinders

Flow-induced vibration of piggyback cylinders

Steady current induced vibration of near-bed piggyback pipeline…

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Web2 Vortex-induced three-degree-of-freedom vibration of a piggyback circular cylinder system. 来源：APPL OCEAN RES( P 0141-1187 E 1879-1549 ) 发表时间: 2024/06. 类型：期刊论文为本人加分 WebApr 7, 2024 · When the structural natural frequency is close to the vortex shedding frequency, large vibration amplitudes are observed, and this phenomenon is called the “lock-in” or “synchronization” (Govardhan and Williamson, 2000 13.Govardhan, R. and Williamson, C., “ Modes of vortex formation and frequency response of a freely vibrating …

WebJan 5, 2024 · Flow-induced vibration (FIV) of four separately mounted cantilever cylinders are experimentally investigated in a water flume. The four cylinders with top ends screwed vertically into a turntable platform are subjected to uniform flows with Reynolds number ranging from 3840 to 16520. A non-intrusive measurement with high-speed cameras is … WebNov 1, 1986 · AbstractThe flow field around a pair of rigid circular cylinders is very complex and has been studied extensively. When either one or both cylinders vibrate, the flow …

WebAug 18, 2024 · Till now, little information is available on the flow-induced vibration (FIV) of multiple flexible cylinders with unequal diameters. Some FIV characteristics of unequal-diameter cylinders can be predicted based on the knowledge of equal-diameter cylinders, while there are still other features remaining unrevealed. In this paper, the FIV … WebOct 3, 2024 · Abstract. This paper numerically investigates the flow-induced vibration of a circular cylinder attached with front and/or rear splitter plates at a low Reynolds number of Re = 120. The effects of plate length and plate location on the hydrodynamic coefficient, vibration response, and flow wake are examined and discussed in detail. The results …

WebOct 1, 2024 · Lin, J. Wang, H. Zheng, and Y. Sun, “ Numerical investigation of flow-induced vibrations of two cylinders in tandem arrangement with full wake interference,” Phys. …

WebJan 25, 2024 · ABSTRACT. In this paper, we conducted a selective review on the recent progress in physics insight and modeling of flexible cylinder flow-induced vibrations (FIVs). FIVs of circular cylinders include vortex-induced vibrations (VIVs) and wake-induced vibrations (WIVs), and they have been the center of the fluid-structure … in what county is glendale caWebJan 1, 2024 · The piggyback cylinder configurations are widely used in engineering. ... Two degree-of-freedom (2-DoF) flow-induced vibrations (FIV) of two rigidly coupled … in what county is gahanna ohWebDec 6, 2013 · Vibration Induced by Cross-Flow. 2.1 Single circular cylinder. 2.2 Two circular cylinders in cross-flow. 2.3 Multiple circular cylinders. 2.4 Bodies of rectangular and other cross-section shapes. 2.5 Acoustic resonance in tube bundles. 2.6 Prevention of FIV. References. Chapter 3. Vibration Induced by External Axial Flow. 3.1 Single … in what county is hendersonville tnWebApr 11, 2024 · It is very important to suppress vortex-induced vibration of the flow field in a valve by optimizing the valve trim structure. In this paper, a multistage pressure-reducing valve is proposed, and the flow fields in the valve with the lightweight, flat bottom, circular truncated cone and cylinder valve plug are simulated using the ANSYS Workbench. in what county is glendora ca located inWebApr 13, 2024 · Bluff bodies are prone to vortex-induced vibration (VIV), a phenomenon that causes these structures to obey a cyclic motion, both in the direction of the incoming flow and (more intensely) in the transverse direction (Williamson and Govardhan, 2004 55.Williamson, C. H. K. and Govardhan, R., “ Vortex-induced vibrations,” Annu. Rev. … in what county is greensboro ncWebVortex-induced vibrations of piggyback pipelines near the horizontal plane wall in the upper transition regime. ... The flow structures around the cylinders are investigated to explain the variations in observed structural responses. Depending on the angular position (α) of the small cylinder, the lock-in regime is narrower (α = 0°) or ... in what county is greensburg paWebJan 1, 2024 · Steady current induced vibration of near-bed piggyback pipelines: configuration effects on VIV suppression. Appl Ocean Res, 46 (2014) ... Detached eddy … in what county is greenwood in