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Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena最新文献

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MEASUREMENT OF DEVELOPING TURBULENT FLOWS IN A ROTATING 90 DEGREE BEND WITH SQUARE CROSS-SECTION 方形截面90度旋转弯道内发展湍流的测量
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.2210
Y. Choi, K. Chun, Dong Chul Kim
{"title":"MEASUREMENT OF DEVELOPING TURBULENT FLOWS IN A ROTATING 90 DEGREE BEND WITH SQUARE CROSS-SECTION","authors":"Y. Choi, K. Chun, Dong Chul Kim","doi":"10.1615/tsfp2.2210","DOIUrl":"https://doi.org/10.1615/tsfp2.2210","url":null,"abstract":"","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116574643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
STEREOSCOPIC PIV MEASUREMENTS IN A JET IN CROSSFLOW 横流中射流的立体piv测量
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.1870
K. Meyer, O. Ozcan, P. S. Larsen, C. Westergaard
{"title":"STEREOSCOPIC PIV MEASUREMENTS IN A JET IN CROSSFLOW","authors":"K. Meyer, O. Ozcan, P. S. Larsen, C. Westergaard","doi":"10.1615/tsfp2.1870","DOIUrl":"https://doi.org/10.1615/tsfp2.1870","url":null,"abstract":"","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121640344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
DIRECT NUMERICAL SIMULATION OF INTERACTIONS BETWEEN A MIXING LAYER AND A WAKE AROUND A CYLINDER 混合层与圆柱体周围尾流相互作用的直接数值模拟
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1088/1468-5248/3/1/028
E. Lamballais, J. Silvestrini
{"title":"DIRECT NUMERICAL SIMULATION OF INTERACTIONS BETWEEN A MIXING LAYER AND A WAKE AROUND A CYLINDER","authors":"E. Lamballais, J. Silvestrini","doi":"10.1088/1468-5248/3/1/028","DOIUrl":"https://doi.org/10.1088/1468-5248/3/1/028","url":null,"abstract":"Direct numerical simulations of turbulent flows around a cylinder are performed using the virtual boundary technique to model the presence of the obstacle. This method consists of the imposition of a no-slip boundary condition within the flow field, using a specific forcing term added to the momentum equation. In this paper, two different inflow conditions are considered upstream from the cylinder. In the first case, where the inflow conditions correspond to a constant velocity flow, common features of the cylinder wake dynamics are well recovered (three-dimensional vortex shedding) while turbulent statistics (mean velocity and Reynolds stresses) are in good agreement with previous experimental and numerical results. This clearly shows that a code based on high-order finite difference schemes combined with the virtual boundary method can lead to reliable results even if the grid is not well designed for the shape of the obstacle. In the second case, the inflow conditions correspond to a spatially developi...","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"abs/2303.02094 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123794502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 48
DIRECT NUMERICAL SIMULATION OF AN IMPINGING JET 冲击射流的直接数值模拟
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.1190
Yongmann M. Chung, K. Luo, John J. R. Williams
{"title":"DIRECT NUMERICAL SIMULATION OF AN IMPINGING JET","authors":"Yongmann M. Chung, K. Luo, John J. R. Williams","doi":"10.1615/tsfp2.1190","DOIUrl":"https://doi.org/10.1615/tsfp2.1190","url":null,"abstract":"","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125252373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
LARGE EDDY SIMULATION USING EXPLICIT FILTERING IN TURBULENT CHANNEL FLOW 紊流通道中显式滤波的大涡模拟
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.1340
J. Gullbrand
{"title":"LARGE EDDY SIMULATION USING EXPLICIT FILTERING IN TURBULENT CHANNEL FLOW","authors":"J. Gullbrand","doi":"10.1615/tsfp2.1340","DOIUrl":"https://doi.org/10.1615/tsfp2.1340","url":null,"abstract":"","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116514746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
LEVEL-SET DYNAMICS AND MIXING EFFICIENCY OF PASSIVE AND ACTIVE SCALARS IN DNS AND LES OF TURBULENT MIXING LAYERS DNS和湍流混合层中被动和主动标量的水平集动力学和混合效率
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.1050
B. Geurts, Bert Vreman, H. Kuerten, K. Luo
{"title":"LEVEL-SET DYNAMICS AND MIXING EFFICIENCY OF PASSIVE AND ACTIVE SCALARS IN DNS AND LES OF TURBULENT MIXING LAYERS","authors":"B. Geurts, Bert Vreman, H. Kuerten, K. Luo","doi":"10.1615/tsfp2.1050","DOIUrl":"https://doi.org/10.1615/tsfp2.1050","url":null,"abstract":"The mixing efficiency in a turbulent mixing layer is quantified by monitoring the surface-area of level-sets of scalar fields. The Laplace transform is applied to numerically calculate integrals over arbitrary level-sets. The analysis includes both direct and large-eddy simulation and is used to assess the suitability of specific subgrid parameterizations in relation to predicting mixing efficiency. We incorporate several subgrid models in the comparison, e.g. the scale similarity model of Bardina, the dynamic eddy-viscosity model and the dynamic mixed model. For accurate predictions, dynamic models are favored. It is observed that the ratio between LES-filterwidth Δ and grid-spacing h has a considerable influence; a ratio of four appears suitable. Gravity driven flows can be modeled by 'active' scalar fields which couple to the momentum and energy equations. The significant increase in mixing efficiency due to buoyancy effects is directly quantified.","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134131307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
EVOLUTION AND GROWTH OF LARGE SCALE STRUCTURES IN HIGH COMPRESSIBILITY MIXING LAYERS 高压缩性混合层中大尺度结构的演化与成长
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1088/1468-5248/3/1/009
T. Rossmann, M. Mungal, R. Hanson
{"title":"EVOLUTION AND GROWTH OF LARGE SCALE STRUCTURES IN HIGH COMPRESSIBILITY MIXING LAYERS","authors":"T. Rossmann, M. Mungal, R. Hanson","doi":"10.1088/1468-5248/3/1/009","DOIUrl":"https://doi.org/10.1088/1468-5248/3/1/009","url":null,"abstract":"The basic physical mechanisms for shear layer growth have been shown in computations to change at very high compressibilities. A double diaphragm, shock tunnel driven hypersonic mixing layer facility is used to reach compressibility levels not possible in blowdown-type facilities. Mixing layers at M c  = 0.86 and 1.7 are examined in streamwise, plan, and end views using Schlieren and acetone planar laser-induced fluorescence imaging schemes. Analysis of these images yields normalized shear layer growth rates, concentration information on the fast side of the shear layer, and visualization of the behaviour of large-scale structures along with the associated acoustic radiation. Normalized growth rate data are reported for M c  = 0.80–2.25 as derived from averaged Schlieren images. This article was chosen from selected Proceedings of the Second International Symposium on Turbulence and Shear Flow Phenomena (KTH-Stockholm, 27-29 June 2001) ed E Lindborg, A Johansson, J Eaton, J Humphrey, N Kasagi, M Leschzine...","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114391362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 63
TURBULENT STRUCTURE OF COMBINED-CONVECTION BOUNDARY LAYER ALONG A VERTICAL HEATED PLATE 垂直加热板上联合对流边界层的湍流结构
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.410
Y. Hattori, T. Tsuji, Y. Nagano, Nobukazu Tanaka
{"title":"TURBULENT STRUCTURE OF COMBINED-CONVECTION BOUNDARY LAYER ALONG A VERTICAL HEATED PLATE","authors":"Y. Hattori, T. Tsuji, Y. Nagano, Nobukazu Tanaka","doi":"10.1615/tsfp2.410","DOIUrl":"https://doi.org/10.1615/tsfp2.410","url":null,"abstract":"","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114215012","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
REFRACTIVE INDEX MATCHED LDA TECHNIQUE FOR INVESTIGATIONS OF LAMINAR TO TURBULENT BOUNDARY LAYER TRANSITION 折射率匹配lda技术用于层流到湍流边界层转换的研究
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.850
S. Becker, C. Stoots, H. Lienhart, D. McEligot, F. Durst
{"title":"REFRACTIVE INDEX MATCHED LDA TECHNIQUE FOR INVESTIGATIONS OF LAMINAR TO TURBULENT BOUNDARY LAYER TRANSITION","authors":"S. Becker, C. Stoots, H. Lienhart, D. McEligot, F. Durst","doi":"10.1615/tsfp2.850","DOIUrl":"https://doi.org/10.1615/tsfp2.850","url":null,"abstract":"","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"184 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114402228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
QUASI-PERIODIC GENERATION OF COHERENT VORTICAL STRUCTURES BEHIND A SURFACE-MOUNTED OBSTACLE 表面障碍物后相干旋涡结构的准周期生成
Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena Pub Date : 1900-01-01 DOI: 10.1615/tsfp2.1240
T. Baur, Joachim von Lukowicz, J. Köngeter
{"title":"QUASI-PERIODIC GENERATION OF COHERENT VORTICAL STRUCTURES BEHIND A SURFACE-MOUNTED OBSTACLE","authors":"T. Baur, Joachim von Lukowicz, J. Köngeter","doi":"10.1615/tsfp2.1240","DOIUrl":"https://doi.org/10.1615/tsfp2.1240","url":null,"abstract":"","PeriodicalId":438618,"journal":{"name":"Proceeding of Second Symposium on Turbulence and Shear Flow Phenomena","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115318715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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