Academic literature on the topic 'Rankin Vortex'

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Journal articles on the topic "Rankin Vortex"

1

KONDOU, Shuuji, Hiroshi YAMASHITA, Masahisa SHINODA, and Kazuhiro YAMAMOTO. "A Numerical Study on Effect of Vortex Core Radius on Premixed Flame Propagation in Rankin Vortex Flow." Transactions of the Japan Society of Mechanical Engineers Series B 74, no. 747 (2008): 2387–92. http://dx.doi.org/10.1299/kikaib.74.2387.

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2

Wood, Vincent T., and Luther W. White. "A Parametric Wind–Pressure Relationship for Rankine versus Non-Rankine Cyclostrophic Vortices." Journal of Atmospheric and Oceanic Technology 30, no. 12 (2013): 2850–67. http://dx.doi.org/10.1175/jtech-d-13-00041.1.

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Abstract A parametric tangential wind profile model is presented for depicting representative pressure deficit profiles corresponding to varying tangential wind profiles of a cyclostrophic, axisymmetric vortex. The model employs five key parameters per wind profile: tangential velocity maximum, radius of the maximum, and three shape parameters that control different portions of the profile. The model coupled with the cyclostrophic balance assumption offers a diagnostic tool for estimating and examining a radial profile of pressure deficit deduced from a theoretical superimposing tangential win
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3

GORSHKOV, KONSTANTIN A., LEV A. OSTROVSKY, and IRINA A. SOUSTOVA. "Perturbation theory for Rankine vortices." Journal of Fluid Mechanics 404 (February 10, 2000): 1–25. http://dx.doi.org/10.1017/s0022112099007211.

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A perturbation scheme is constructed to describe the evolution of stable, localized Rankine-type hydrodynamic vortices under the action of disturbances such as density stratification. It is based on the elimination of singularities in perturbations by using the necessary orthogonality conditions which determine the vortex motion. Along with the discrete-spectrum modes of the linearized problem which can be kept finite by imposing the orthogonality conditions, the continuous-spectrum perturbations play a crucial role. It is shown that in a stratified fluid, a single (monopole) vortex can be des
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4

Kuo, Hung-Chi, Wayne H. Schubert, Chia-Ling Tsai, and Yu-Fen Kuo. "Vortex Interactions and Barotropic Aspects of Concentric Eyewall Formation." Monthly Weather Review 136, no. 12 (2008): 5183–98. http://dx.doi.org/10.1175/2008mwr2378.1.

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Abstract Concentric eyewall formation can be idealized as the interaction of a tropical cyclone core with nearby weaker vorticity of various spatial scales. This paper considers barotropic aspects of concentric eyewall formation from modified Rankine vortices. In this framework, the following parameters are found to be important in concentric eyewall formation: vorticity strength ratio, separation distance, companion vortex size, and core vortex skirt parameter. A vorticity skirt on the core vortex affects the filamentation dynamics in two important ways. First, the vorticity skirt lengthens t
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5

Roy, Anubhab, and Ganesh Subramanian. "Linearized oscillations of a vortex column: the singular eigenfunctions." Journal of Fluid Mechanics 741 (February 20, 2014): 404–60. http://dx.doi.org/10.1017/jfm.2013.666.

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AbstractIn 1880 Lord Kelvin analysed the linearized inviscid oscillations of a Rankine vortex as part of a theory of vortex atoms. These eponymously named neutrally stable modes are, however, exceptional regular oscillations that make up the discrete spectrum of the Rankine vortex. In this paper, we examine the singular oscillations that make up the continuous spectrum (CS) and span the entire base state range of frequencies. In two dimensions, the CS eigenfunctions have a twin-vortex-sheet structure similar to that known from earlier investigations of parallel flows with piecewise linear velo
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6

Jayavel, S., Pratish P. Patil, and Shaligram Tiwari. "Interaction of a skewed Rankine vortex pair." Physics of Fluids 20, no. 8 (2008): 083601. http://dx.doi.org/10.1063/1.2969115.

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7

Wang, Lifeng, Ruifeng Hu, Jun Zhang, and Yunpeng Ma. "On the Vortex Detection Method Using Continuous Wavelet Transform with Application to Propeller Wake Analysis." Mathematical Problems in Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/242917.

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The method based on the continuous wavelet transformation to detect and characterize two-dimensional vortex is analyzed for a synthetic flow and applied to vortex detection of propeller wake. The characteristics of a vortex, such as center location, core radius, and circulation, are extracted based on the Lamb-Oseen and Rankine vortex models, the latter of which is a novel attempt. The effects of various factors such as the difference scheme, the grid and scale discretization, transform variable, and vortex model on vortex detection have been investigated thoroughly. The method is further appl
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8

Gorecki, Piotr, and Rathinam Panneer Selvam. "Rankine combined vortex interaction with a rectangular prism." International Journal of Computational Fluid Dynamics 29, no. 1 (2015): 120–32. http://dx.doi.org/10.1080/10618562.2015.1010524.

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9

Ali, Md Shahjahan, Takashi Hosoda, and Ichiro Kimura. "Unsteady RANS and LES Simulation of an Ideal Rankine Vortex Decay." Advances in Civil Engineering 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/523839.

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The 3D numerical simulation was carried out for an idealized Rankine vortex using nonlineark-εmodel (one kind of RANS model) and large eddy simulation (LES) techniques. In this 3D simulation, the vortex flow field was given to rotate with the vertical axis in a free surface rectangular domain. In order to investigate the predictability of standard (linear) and non-lineark-εmodels, the decay of a trailing vortex was simulated and compared with previous DNS data. The governing equations for mean velocities and turbulent flows were discretized with the finite volume method based on a staggered gr
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10

Zhou, Kai, and Chao Zhou. "Effects of upstream Rankine vortex on tip leakage vortex breakdown in a subsonic turbine." Aerospace Science and Technology 99 (April 2020): 105776. http://dx.doi.org/10.1016/j.ast.2020.105776.

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