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http://hdl.handle.net/10397/88664
Title: | Vortex identification and evolution of a jet in cross flow based on rortex | Authors: | Zhan, JM Chen, ZY Li, CW Hu, WQ Li, YT |
Issue Date: | 2020 | Source: | Engineering applications of computational fluid mechanics, . . 2020, , v. 14, no. 1, p. 1237-1250 | Abstract: | Jet in cross flow is an important issue in engineering practice, for example, it is used to improve turbine efficiency in film cooling. In this study, the large eddy simulation and the spectrum analysis are employed to analyze the vortices in a jet in cross flow. The results show that the Rortex method more accurately identifies the vortex structures than other methods. In the analysis of the evolution of the spatial vortex structures, it is affirmed that the spectrum analysis using the Rortex value can effectively identify the characteristic vortex structures in a jet in cross flow. | Keywords: | Vortex Rortex Spectrum analysis Dominant frequency Jet in cross flow |
Publisher: | Hong Kong Polytechnic University, Department of Civil and Structural Engineering | Journal: | Engineering applications of computational fluid mechanics | ISSN: | 1994-2060 | EISSN: | 1997-003X | DOI: | 10.1080/19942060.2020.1816496 | Rights: | © 2020 The Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The following publication Jie-min Zhan , Zhi-ya Chen , Chi-wai Li , Wen-qing Hu & Yu-tian Li (2020). Vortex identification and evolution of a jet in cross flow based on Rortex, Engineering Applications of Computational Fluid Mechanics, 14:1, 1237-1250 is available at https://dx.doi.org/10.1080/19942060.2020.1816496 |
Appears in Collections: | Journal/Magazine Article |
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Zhan_Vortex_Identification_Evolution.pdf | 5.7 MB | Adobe PDF | View/Open |
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