Engineering Application of an Identification Method to Shock-Induced Vortex Stability in the Transonic Axial Fan Rotor by Yan Xue, Ning Ge

“…It is found that three vortical structures such as tip leakage vortex (TLV), shock-induced vortex (SIV), tip separation vortex (TSV) in addition the tip leakage vortex-induced vortex (TLV-IV, which only occurs when the TLV strength increases to a certain extent) frequently exist near the blade tip and then abstracted as a tip vortex model. …”
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Understanding Confusion: A Case Study of Training a Machine Model to Predict and Interpret Consensus From Volunteer Labels by Ramanakumar Sankar, Kameswara Mantha, Cooper Nesmith, Lucy Fortson, Shawn Brueshaber, Candice Hansen-Koharcheck, Glenn Orton

“…We use data from Jovian Vortex Hunter, a citizen science project to study vortices in Jupiter’s atmosphere, and find that the latent space from the model helps effectively identify different sources of image-level features that lead to low volunteer consensus. …”
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Influence and optimization of building opening configurations on the performance of enhanced roof ventilation units (ERU): a numerical and orthogonal study by Lei Tian, Zu-An Liu, You Li, Jiawen Hou, Yuling Xiao, Fan Fei, Yueqiu Xia, Wanxiang Yao, Hiroatsu Fukuda

“…The findings reveal that: (1) For volume flow rate, the influence ranking is O > C > B > D > G > A, while for outlet average air age and volume air age, the rankings are O > G > A > D > C > B and O > A > G > C > D > B; (2) The indoor combinatorial ventilation efficiency under optimal configuration is 9.75 %, the flow purification rate and air exchange efficiency are 20.21 % and 48.27 %; (3) The percentage dissatisfied (PDT and PDD) under optimal configuration are 0.31 %; (4) Local vortices can lead to poor ventilation performance, but indoor circulation can bring the air exchange efficiency approaching the ideal 50 %. (5) The opening configurations focus on building orientation and dominant wind direction. (6) Appropriate opening configurations are more conducive to ventilation than increasing the area openings. …”
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Catastrophic and violent tornadoes: a detailed review of physical-mathematical models by Sergey A. Arsen’yev, Lev V. Eppelbaum

“…As an alternative, the authors also proposed a model for the emergence of a tornado from a thundercloud filled with highly rotating mesoscale vortices. In this case, the theory of mesoscale turbulence is used, which allows for the phenomenon of the red turbulent cascade: the energy transfer from smaller turbulent eddies to the region of large scales. …”
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Ionospheric Current Variations Induced by the Solar Flares of 6 and 10 September 2017 by Charles Owolabi, Jiuhou Lei, O. S. Bolaji, Dexin Ren, Akimasa Yoshikawa

“…Even though both flares happened in equinox, the current vortices are nearly symmetric. There were significant hemispheric changes in the focus position leading to the hemispheric asymmetry. …”
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Experimental Investigations of Self-adjusting Bionic Flaps on Low-aspect Ratio Wings by A. Verma, V. Kulkarni, S. Shinde

“…However, the aerodynamic characteristics of a high AR wing are completely different from the lower one due to wingtip vortices. Therefore, in the present work, this flap is tested on a S5010 profiled wing of two different low ARs, 2.0 and 1.0, in the Re range of MAVs application. …”
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Study on Flow Structure Characteristics Along the Latticework Duct Subchannels and Classification Boundary Prediction by Minlong Li, Huishe Wang, Ke Yang, Rongguo Yu, Jingze Ton

“…The longitudinal vortex was mainly formed by one turning vortex and two detached vortices. The narrowing of the turning channel will cause the turning vortex to induce a secondary longitudinal vortex. …”
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Simulation Study of Carbon Extraction from Coal Gasification Fine Slag by Airflow Classification Based on CFD-DEM by LI Xiangyang, ZHANG Qian, LI Le, BAI Hui, HUANG Wei

“…The tangential air inlet leads to the generation of secondary vortices in the grading zone and elution zone that interfere with each other, affecting the separation efficiency of carbon and ash particles. …”
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Numerical simulation and theoretical study on the impact of wind-sand flow of high-speed trains in long tunnel space by Shiqun Li, Sihui Dong, Yonghua Li, Liping Zhou

“…Secondly, both flows show asymmetric intrusion into the cabin due to the asymmetrical tunnel arrangement, but the sand particles in the wind-sand flow are affected by the vortices and tunnel walls, resulting in more asymmetric flow and some particles being trapped in the grids or filters, leading to outflow ρ Q  < inflow ρ Q . …”
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Thermocapillary convection in superimposed fluids confined within superhydrophobic surfaces of a microchannel by Radi A. Alsulami, Kanchathan Wasuwatthanakul, Kannan Premnath, Mutabe Aljaghtham, Saad Adam

“…In particular, it is shown that thermo-capillarity generates convective currents with nominally a pair of counter-rotating vortices in each fluid, which is sometimes increased and accompanied by a change in their sense of rotation and the magnitude of the peak velocities by variations in the dimensionless slip coefficient. …”
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A multi‐tagged SAR ocean image dataset identifying atmospheric boundary layer structure in winter tradewind conditions by Chen Wang, Justin E. Stopa, Doug Vandemark, Ralph Foster, Alex Ayet, Alexis Mouche, Bertrand Chapron, Peter Sadowski

“…Twelve tags define roll vortices, convective cells, mixed rolls and convective cells, fronts, rain cells, cold pools and low winds. …”
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Control of giant orbital angular momentum bursts of structured Laguerre-Gaussian beams in a medium with general astigmatism by A.V. Volyar, E.G. Abramochkin, M.V. Bretsko, S.I. Khalilov, Ya.E. Akimova

“…Since degenerate ring dislocations are formed by optical vortices with opposite topological charges, but with equal weights, their destruction is accompanied by appearing of vortex pairs in the form of topological dipoles (their number is equal to the radial number n). …”
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Assessment of RANS Models for Milli-Channel Turbulent Flow in Drip Irrigation Emitter by Qi Feng, Qingzheng Li, Yaojun Li, Xuefeng Qiu, Jiandong Wang, Xingfa Huang

“…The SST and BSL models, which employ IYPT, captured induced vortices at channel corners; however, they underestimated emitter flow rates. …”
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Numerical investigation of combined convective heat transfer using fractal barriers in a circular cavity filled with nanofluid by Reza Mougouei, Ali B.M. Ali, Omid Ali Akbari, Gholamreza Ahmadi, Soheil Salahshour, Sh Baghaei

“…The results of this research show that the presence of an obstacle with a special shape causes the components of the flow paths, creates weaker vortices in parts of the cavity and finally increases the contact of the fluid with hot surfaces. …”
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Tropical Cyclone Size Prediction and Development of An Error Correction Method by Guo Ruichen, Xu Jing, Wang Yuqing

“…The analysis indicates that, despite the accurate initial center position and intensity, CMA-TYM model's initial vortices display substantial errors in both inner-core and outer-core sizes. …”
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Effects of Low Reynolds Number on Wake-Generated Unsteady Flow of an Axial-Flow Turbine Rotor by Matsunuma Takayuki, Tsutsui Yasukata

“…The regions of high turbulence intensity due to the wake and the secondary vortices were increased dramatically with the decreasing Reynolds number. …”
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Proof of concept for multirotor systems with vortex-generating modes for regenerative wind energy: a study based on numerical simulations and experimental data by F. Avila Correia Martins, A. van Zuijlen, A. van Zuijlen, C. Simão Ferreira

“…These ABL-control devices generate vortical flow structures that enhance vertical momentum flux from the flow above the wind farm into the wind farm flow, thereby accelerating the wake recovery process. …”
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Three-dimensional aortic arch geometry and blood flow in neonates after surgical repair for aortic coarctation by Katrin Fricke, Katrin Fricke, Lea Christierson, Lea Christierson, Lea Christierson, Einar Heiberg, Einar Heiberg, Pia Sjöberg, Pia Sjöberg, Erik Hedström, Erik Hedström, Erik Hedström, Erik Hedström, Kristoffer Steiner, Constance G. Weismann, Constance G. Weismann, Constance G. Weismann, Johannes Töger, Johannes Töger, Petru Liuba, Petru Liuba

“…Patients who developed re-CoA had more left-handed helical flow in systole (p = 0.045), more right-handed helical flow in diastole (p = 0.02), and less vortical flow (p = 0.05).ConclusionSubtle changes in aortic arch geometry and flow pattern early after neonatal CoA repair may contribute to the risk of re-CoA.…”
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