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Comparative flow visualization

Vivek Verma, A. Pang
2004 IEEE Transactions on Visualization and Computer Graphics  
There is therefore a need for comparative visualization tools to help analyze the differences. This paper focuses on comparative visualization tools for analyzing flow or vector data sets.  ...  There are many situations where one needs to compare two or more data sets.  ...  In the next section, we describe the different levels of comparative visualizations and present the context of the comparative methods for flow data.  ... 
doi:10.1109/tvcg.2004.39 pmid:15527044 fatcat:eqkh6edqvzamnmwju6fq3ussje

Streamline pair selection for comparative flow field visualization

Shoko Sawada, Takayuki Itoh, Takashi Misaka, Shigeru Obayashi, Tobias Czauderna, Kingsley Stephens
2020 Visual Computing for Industry, Biomedicine, and Art  
Streamline is a curved line, which represents a wind flow.  ...  This leads to a generation of large amounts of results, which are difficult to compare.  ...  Many comparative visualizations for scalar fields have been already presented. However, comparative visualization for flow fields still remains an open issue.  ... 
doi:10.1186/s42492-020-00056-8 pmid:32851564 fatcat:au6hwkjtpvgedopehzfnxe47fe

Comparative Visualization of User Flows in Voice Portals [chapter]

Björn Zimmer, Dennie Ackermann, Manfred Schröder, Andreas Kerren, Volker Ahlers
2011 Lecture Notes in Computer Science  
This work presents flow-map-based techniques for the comparative visualization of user flows at different time frames, in order to enable dialog designers to analyze and improve the user interaction with  ...  Comparing User Flows The user flow in a voice portal within a specific time frame corresponds to a weighted graph, where dialogs are represented by nodes and user flows by weighted edges.  ... 
doi:10.1007/978-3-642-18469-7_43 fatcat:cfsmllvkf5cdrl7szt4qaqrafy

Quantitative Flow Visualization: Toward a Comprehensive Flow Diagnostic Tool

M. Gharib
2002 Integrative and Comparative Biology  
Quantitative flow visualization has many roots and has taken several approaches.  ...  The advent of digital image processing has made it possible to practically extract useful information from every kind of flow image.  ...  SUMMARY In this paper we seek to present some recent advances in the field of quantitative flow visualization and demonstrate their utility in better understanding both synthetic and biological flows.  ... 
doi:10.1093/icb/42.5.964 pmid:21680377 fatcat:tzatp43opnd3fpgwhrkgjyn3ki

Conserved spatio-temporal patterns of suction-feeding flows across aquatic vertebrates: a comparative flow visualization study

Corrine N. Jacobs, Roi Holzman
2018 Journal of Experimental Biology  
Using a high-speed flow visualization technique, we characterized the spatio-temporal patterns in the flow fields produced during feeding in 14 species of aquatic suction feeders.  ...  Yet, it is unclear how variable suction flows are across species, and whether variation in suction flows supports trophic diversity.  ...  C.N.J. thanks Center for Life in the Flow for financial support. Data availability Data are available from figshare (Jacobs and Holzman, 2018) : 6084/m9.figshare.5923114.  ... 
doi:10.1242/jeb.174912 pmid:29511070 fatcat:wgp2foyz4rcupoodvq7enzztum

Computational fluid dynamics simulation of a supersonic rocket thruster flow compared with experimental data

Farhad Davoudzadeh, Nan-Suey Liu
2004 Journal of Visualization  
Navier-Stokes numerical simulations showing the supersonic flow field induced by a H2-O2 rocket thruster with an attached panel, under a variety of operating conditions.  ...  The evolving of the coherent vortex structures in the flow-field and the corresponding particle dispersion patterns are visualized as Fig. 1 .  ...  Visualizing numerical results of simulation are important to grasp a phenomenon intuitively. We show some numerical results of a two-phase flow.  ... 
doi:10.1007/bf03181626 fatcat:duskmqv6fzfk7jfpbo63dwa45a

Comparative flow visualization of turbulent structure near the wall

Hirofumi OHNARI, Takanori SAGA, Takashi SAITOU
Fig.l A plan view of "Comparative flow visualization  ... 
doi:10.3154/jvs1981.3.285 fatcat:fqjqz3zduzhkfftruuznwrdxou

A comparative study of the PIV and LDV measurements on a self-induced sloshing flow

T. Saga, H. Hu, T. Kobayashi, S. Murata, K. Okamoto, S. Nishio
2000 Journal of Visualization  
The PIV measurement result was compared with LDV measurement result quantitatively in order to evaluate the accuracy level of the PIV measurement.  ...  Particle Imaging Velocimetry (PIV) and Laser Doppler Velocimetry (LDV) measurements on a self-induced sloshing flow in a rectangular tank had been conducted in the present study.  ...  Unlike above ensemble-averaged results, which can just reveal two big circulation regions in the flow field, an unsteady vortex can also be visualized clearly in the flow field from the phase-averaged  ... 
doi:10.1007/bf03182407 fatcat:vhyublj2urhefp2crurpkht2hy

Comparative Flow Visualization of Turbulent Fow near the Wall

Hirofumi OHNARI, Takanori SAGA, Kyoko YAMAMOTO, Takashi SAITOU
The coherent structure of the flow in the wall region was investigated by means of a comparative flow visualization method in a turbulent open channel flow.  ...  と もに 深 く謝 意 を 表 す る もの で Table 2 2 Comparison of three flow visualization methods  ...  Fig. 4 4 Fig. 4 Comparison of three flow visualization methods. 壁面領域内乱流構造の比較可視化53Fig. 6 6 Fig. 6 Plan view of scale-shaped patterns and pairs of low speed streak (CASE E-1).  ... 
doi:10.3154/jvs1981.4.47 fatcat:i5penw7zxbg75iteq3dmxfurai

Using Flow Maps to Visualize Time-Series Data: Comparing the Effectiveness of a Paper Map Series, a Computer Map Series, and Animation

Harry Johnson, Elisabeth S. Nelson
1998 Cartographic Perspectives  
These maps are visually compared by the map reader when analyzing change over time for a location.  ...  This study compared a paper map series, a computer map series, and animated maps of the same data to assess the effectiveness of each technique for memorizing data symbolized by graduated flow lines.  ...  They believed that color would have been a better visual cue than comparing widths to the legend. While an interesting idea, implementing this in a graduated flow context could be complicated.  ... 
doi:10.14714/cp30.663 fatcat:6zeyuxrwwfhvnadwywnbebzx4u

Visualization of flow in the ascending aorta: bicuspid aortic valves compared to tricuspid aortic valves

Christian Meierhofer, Christine Lyko, Eike Schneider, Andrea Hutter, Heiko Stern, Stefan Martinoff, Alfred Hager, John Hess, Michael Markl, Sohrab Fratz
2011 Journal of Cardiovascular Magnetic Resonance  
Study's objective The aim of this prospective matched-pair study was to compare different 3D flow patterns in the ascending aorta caused by native bicuspid aortic valves (BAV) compared to tricuspid aortic  ...  In the BAV group, 85 % showed a flow pattern with a high-grade helix formation in the ascending aorta. The matched pairs showed a statistically significant difference of the flow patterns.  ... 
doi:10.1186/1532-429x-13-s1-p384 pmcid:PMC3106766 fatcat:4xbmlkoipzbchg32rul55ng2y4

Comparative Sudy of Flow Mixing and Thermal Diffusion in a Heater Unit by Using Liquid Crystal Thermometry and Flow Visualization with Dye Injection Technique
224 感温液晶温度計測法と注入流脈可視化法を用いたヒータユニット内の熱拡散と流体混合の比較研究

Ryushi Saito, Nobuyuki Fujisawa, Tsuyoshi Takano, Masaji Yokota, Hiroshi Tanaami, Isao Watanabe
1999 Transactions of Visualization Society of Japan  
These visualization studies show that the flow mixing performance inside the heater unit depends strongly on the mixdoor angles.  ...  The flow mixing performance in a heater unit for automobile has been studied by model experiment using the thermo-sensitive liquid crystal technique and the color tracer visualization technique.  ... 
doi:10.3154/jvs.19.supplement1_225 fatcat:ezjvsnhrrzcgbbkmeh6vf5etyy

Visualization of Temperature Field given by Extended Flame from an Opening during Fully Developed Comparment Fire using an Infrared Image Processor
24 赤外カメラを用いた噴出火炎の可視化

Osami SUGAWA, Yasushi OKA, Hiroshi UENO, Wataru TAKAHASHI
そ こ で 、 ス 108 赤 外 カ メ ラを 用 い た 噴 出 火 炎 の 可視 化 Fig.2 Schematic view of flow visualization テ ン レ ス 網 の 放 射 率 が ほ ぼ 黒 体 放 射 と 同 程 度 と 考 え、 放 射 率 を0.966と し た 。  ... 
doi:10.3154/jvs1981.9.supplement_107 fatcat:cb3xyauqmjbhnfsixkh7woo74a

Three-Dimensional Characteristics of Heat Transfer and Flow and Visualization on a Single Circular Laminar Impinging Jet in Comparatively Narrow Space

2000 Transactions of Visualization Society of Japan  
This paper describes the heat transfer characteristics and visualization on a single circular laminar impinging jet in comparatively narrow space with confined wall.  ...  Local heat flux was visualized by using thermosensitive liquid crystal.  ...  が ノ ズ ル 径 と同 等 か そ れ 以 下 の 比 較 的狭 い 空 間 に お け る単 一 円 形 層 流 衝 突 噴 流 の 伝 熱 流 動 特 性 を 数 値 計 算 結 果 よ り求 め,感 温 液 晶 を 使 用 した 伝 熱 の 可 視 化 と対 応 さ せ る こ とに よ り以 下 の こ とが 明 らか に な っ た. (1) Fig. 2 Fig. 4 Fig. 5 Flow  ... 
doi:10.3154/jvs.20.250 fatcat:keloxutwtvggthotb6jqacxafq

Using Flow Cytometry to Compare the Dynamics of Photoreceptor Outer Segment Phagocytosis in iPS-Derived RPE Cells

Peter D. Westenskow, Stacey K. Moreno, Tim U. Krohne, Toshihide Kurihara, Saiyong Zhu, Zhen-ning Zhang, Tongbiao Zhao, Yang Xu, Sheng Ding, Martin Friedlander
2012 Investigative Ophthalmology and Visual Science  
Expression and density of α(v)β₅ integrin, CD36, and MerTK receptors, which are required for phagocytosis, were compared. Trypsinization of treated RPE cells results in the release of bound POS.  ...  We developed a flow cytometry-based assay to monitor binding and internalization of FITC labeled POS by ARPE-19, human fetal RPE (hfRPE), and two types of iPS-RPE.  ...  The staff at the TSRI flow cytometry core facility also provided expert help.  ... 
doi:10.1167/iovs.12-9721 pmid:22871841 pmcid:PMC3444211 fatcat:kq75lqbmmvendakibmij37wht4
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