Hierarchical vortex regions in swirling flow

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WebHierarchical Vortex Regions in Swirling Flow. View/ Open. v28i3pp0863-0870.pdf (9.710Mb) Date 2009. Author. Petz, Christoph. Kasten, Jens. Prohaska, Steffen. Hege, Hans-Christian. Pay-Per-View via TIB Hannover: Try if this item/paper is available. Metadata Show full item record. Abstract. WebExemplary, an application based on the Rankine vortex model is presented. We apply our method to several CFD datasets and compare our results to existing approaches. en_US: dc.publisher: The Eurographics Association and Blackwell Publishing Ltd. en_US: dc.title: Hierarchical Vortex Regions in Swirling Flow: en_US: dc.description.seriesinformation

Hierarchical Vortex Regions in Swirling Flow

WebHierarchical Vortex Regions in Swirling Flow. View/ Open. v28i3pp0863-0870.pdf (9.710Mb) Date 2009. Author. Petz, Christoph. Kasten, Jens. Prohaska, Steffen. Hege, … WebAbstract We propose a new criterion to characterize hierarchical two-dimensional vortex regions induced by swirling motion. Central to the definition are closed loops that … dhr maryland portal

Generalized streak lines in the flow past a cuboid. The streak line ...

Web29 de mar. de 2006 · Mager, A. 1971 Incompressible viscous swirling flow through a nozzle A.I.A.A. J. 9, 649 – 655. Google Scholar Migay , V. K. & Golubev , L. K. 1970 Friction and heat transfer in turbulent swirl flow with a variable swirl generator in a pipe Heat Transfer, Sov. Res. 2 , 68 – 73 . Web15 de ago. de 2024 · The vortex T-mixer flow is characterized by a single dominant vortex, the stability of which is closely coupled to the appearance of vortex breakdown. Specifically, at a Reynolds number of Re≈ 90, a first vortex breakdown region appears in the steady-state solution, rendering the vortex pulsatively unstable. WebTwo-Dimensional Time-Dependent Vortex Regions Based on the Acceleration Magnitude. Jens Kasten. Zuse Institute Berlin, Jan Reininghaus. Zuse Institute Berlin, Ingrid Hotz. ... Hierarchical vortex regions in swirling flow. C. Petz. Zuse Institute Berlin, Germany, J. Kasten. Zuse Institute Berlin, Germany, S. Prohaska. cincinnati anesthesiology residency

Hierarchical Vortex Regions in Swirling Flow - Academia.edu

Experiments on swirling turbulent flows. Part 1. Similarity in swirling ...

Web19 de abr. de 2011 · A key approach to visualizing a flow field is to emphasize regions with significant ... Prohaska, S., Hege, H.C.: Hierarchical vortex regions in swirling flow. … Web10 de mar. de 1999 · They are the following: a rectilinear vortex; a composite columnar vortex; helical vortices screwed on the right or on the left; a vortex with changing helical … dhr.maryland.gov loginWebAbstract. We present feature-extraction techniques for numerical and experimental data of complex fluid flows. Focus is placed on efficient analysis and visualization of coherent … cincinnati anesthesia residency

"WebJ. Fluid Mech. (1990).vol. 221, pp. 533-552 Printed in Great Britain 533 Axisymmetric vortex breakdown Part 1. Confined swirling flow By J. M. LOPEZ Aeronautical Research … " - Hierarchical vortex regions in swirling flow

Hierarchical vortex regions in swirling flow

Swirling Flow - an overview ScienceDirect Topics

WebCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We propose a new criterion to characterize hierarchical two-dimensional vortex regions induced by … Web2 de dez. de 2024 · The basic layout building blocks in the Layout Control and Data Layout Control are layout items. These elements display embedded controls along with optional …

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Web16 de ago. de 2024 · A cost-effective technique to dissipate the energy in hydropower systems is the formation of a swirling flow within a tunnel. In such flows, an air core with a significant cross section usually occurs. To reveal the air-core features in the horizontal tunnel of a high-head shaft spillway, laboratory tests, numerical modeling, and prototype … Web10 de mar. de 1999 · They are the following: a rectilinear vortex; a composite columnar vortex; helical vortices screwed on the right or on the left; a vortex with changing helical symmetry; a double helix – two entangled vortex filaments of the same sign. Type. Research Article. Information. Journal of Fluid Mechanics , Volume 382 , 10 March 1999 …

WebSwirling Flow Instabilities: Pipes and Open Jets Ph.D. Course on Vorticity, VorticalFlows and Vortex-Induced Vibrations Technical University of Denmark, Copenhagen, Denmark vortex.compute.dtu.dk August 26-30, 2024 Kerry Hourigan Fluids Laboratory for Aeronautical and Industrial Research Monash University, Melbourne, Australia Web14 de jun. de 2024 · A region near the basepoint was positively correlated and was surrounded by negatively correlated regions. ... Foroutan, H., and Yavuzkurt, S., “ A …

Web27 de jul. de 2009 · We propose a new criterion to characterize hierarchical two-dimensional vortex regions induced by swirling motion. Central to the definition are … Web23 de ago. de 2003 · 4 Flow structure. The dynamics of swirling jet flows are examined for three different configurations: the outer flow rotating only case (OFRO), the inner-jet rotating only case (IJRO) and the reference case. For all four configurations, the Reynolds number and the velocity ratio are maintained equal to Re =2000 and ζ =2.5.

WebIntroduction. Many fluid machinery applications involve swirling flow. Devices in which swirl phenomena have a strong influence include combustion chambers, turbomachines and their associated ducting, and cyclone separators. In this chapter, we examine five aspects of swirling flows: (i) an introductory description of pressure and velocity ...

http://vortex.compute.dtu.dk/coursematerial/KERRY/Copenhagen-KH-Lecture-7.pdf dhrm bonus guidanceWebHierarchical Vortex Regions in Swirling Flow: Computer Graphics Forum, 28(3), pp. 863-870, 2009: BibTeX: 2008: Christoph Petz, Steffen Prohaska, Leonid Goubergrits, Ulrich Kertzscher, Hans-Christian Hege: Near-Wall Flow Visualization in … dhrm benefits at a glanceWebHierarchical Vortex Regions in Swirling Flow. × Close Log In. Log in with Facebook Log in with Google. or. Email. Password. Remember me on this computer. or reset password. Enter the email address you signed up with and we'll email you a reset link. Need an account? Click here to sign up. Log In Sign Up. Log In; Sign Up; more; Job ... dhr mcallen hospitalWebHierarchical Vortex Regions in Swirling Flow (PDF) Hierarchical Vortex Regions in Swirling Flow Hans-Christian Hege - Academia.edu Academia.edu no longer supports Internet … cincinnatian hotel curio collectionhttp://vortex.compute.dtu.dk/coursematerial/KERRY/Copenhagen-KH-Lecture-7.pdf cincinnatian hiltonWebVortex detection for surface flow field is a challenging issue in feature visualization. ... Hierarchical Vortex Regions in Swirling Flow. Computer Graphics Forum, Vol. 28, No. 1 (2009), pp.863-870. DOI: 10.1111/j.1467-8659.2009.01463.x [4] Xu Huaxun, Li Sikun, Zeng Liang and Cai Xun. Feature-based ... dhrm civility policyWebHierarchical vortex regions in swirling flow. Pages 863–870. Previous Chapter Next Chapter. ABSTRACT. We propose a new criterion to characterize hierarchical two … dhrm carryover