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 … 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 Request PDF
WebVortex 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 ... 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. … dynamic mass redistribution assay
Rotation Invariant Vortices for Flow Visualization
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. 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 … Web8 de nov. de 2024 · In this paper, we investigate the flow structures and pressure fields of a free annular swirling jet flow undergoing vortex breakdown. The flow field is analyzed by means of time-resolved tomographic particle image velocimetry measurements, which enable the reconstruction of the three-dimensional time-resolved pressure fields using … dutch brand hot beef polish sausage