Pub Date : 2024-09-11DOI: 10.1080/14685248.2024.2400953
Aditya Anand, Sourabh S. Diwan, Nedunchezhian Swaminathan
Two different bandpass filtering methods have been used in the literature to study turbulence energy cascade simultaneously in physical and scale spaces. One of them is the derivative-based filter ...
{"title":"A comparative study of bandpass-filter-based multi-scale methods for turbulence energy cascade","authors":"Aditya Anand, Sourabh S. Diwan, Nedunchezhian Swaminathan","doi":"10.1080/14685248.2024.2400953","DOIUrl":"https://doi.org/10.1080/14685248.2024.2400953","url":null,"abstract":"Two different bandpass filtering methods have been used in the literature to study turbulence energy cascade simultaneously in physical and scale spaces. One of them is the derivative-based filter ...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"57 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This paper reports on the recent NATO Advanced Vehicle Technology (AVT) effort associated with smooth-wall two-dimensional turbulent boundary layer flows subjected to streamwise pressure gradients....
Pub Date : 2024-08-13DOI: 10.1080/14685248.2024.2388314
Agneev Roy, Somnath Ghosh
High-order accurate Large-eddy simulations (LES) have been carried out for compressible, turbulent flow through two bell-shaped convergent-divergent nozzles- one with a short divergent portion and ...
{"title":"Large-eddy simulation of shock train in convergent-divergent nozzles with isothermal walls","authors":"Agneev Roy, Somnath Ghosh","doi":"10.1080/14685248.2024.2388314","DOIUrl":"https://doi.org/10.1080/14685248.2024.2388314","url":null,"abstract":"High-order accurate Large-eddy simulations (LES) have been carried out for compressible, turbulent flow through two bell-shaped convergent-divergent nozzles- one with a short divergent portion and ...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"13 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142206190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The characteristics of uniform momentum zones (UMZs) and UMZ interfaces in turbulent channel flow (TCF) at friction Reynolds number ranging from 600 to 2000 are investigated. The focus is on the Re...
{"title":"Uniform momentum zones in turbulent channel flow","authors":"Jianda Huang, Yucheng Jie, Chunxiao Xu, Lihao Zhao","doi":"10.1080/14685248.2024.2387847","DOIUrl":"https://doi.org/10.1080/14685248.2024.2387847","url":null,"abstract":"The characteristics of uniform momentum zones (UMZs) and UMZ interfaces in turbulent channel flow (TCF) at friction Reynolds number ranging from 600 to 2000 are investigated. The focus is on the Re...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"41 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141948220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-09DOI: 10.1080/14685248.2024.2377162
Kiran Jadhav, Abhilash J. Chandy
A comprehensive and fine-grained transient analysis of the kinetic budget equation in the spectral and spatial domains for channel flow subjected to stable stratification is performed, through a se...
{"title":"Transient energy transfer and cascade analysis for stratified turbulent channel flows","authors":"Kiran Jadhav, Abhilash J. Chandy","doi":"10.1080/14685248.2024.2377162","DOIUrl":"https://doi.org/10.1080/14685248.2024.2377162","url":null,"abstract":"A comprehensive and fine-grained transient analysis of the kinetic budget equation in the spectral and spatial domains for channel flow subjected to stable stratification is performed, through a se...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"1 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141608869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The effect of surface wave on the double-averaged (DA) current-only flow properties is examined over two different types of rough beds comprising hemispherical elements with regular and staggered a...
{"title":"Rough bed hydrodynamics under wave-current interactional flow field: double averaging approach","authors":"Jayanta Shounda, Krishnendu Barman, Koustuv Debnath","doi":"10.1080/14685248.2024.2371824","DOIUrl":"https://doi.org/10.1080/14685248.2024.2371824","url":null,"abstract":"The effect of surface wave on the double-averaged (DA) current-only flow properties is examined over two different types of rough beds comprising hemispherical elements with regular and staggered a...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"13 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141608872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-25DOI: 10.1080/14685248.2024.2363886
Behnam Kazemi Majd, Zeinab Pouransari
The evolution and generation of hairpins are studied in a Lagrangian perspective in turbulent channel flows. Direct numerical simulation database of turbulent channel flow at friction Reynolds numb...
{"title":"Reynolds number effect on the Lagrangian evolution of hairpin vortices in turbulent channel flow","authors":"Behnam Kazemi Majd, Zeinab Pouransari","doi":"10.1080/14685248.2024.2363886","DOIUrl":"https://doi.org/10.1080/14685248.2024.2363886","url":null,"abstract":"The evolution and generation of hairpins are studied in a Lagrangian perspective in turbulent channel flows. Direct numerical simulation database of turbulent channel flow at friction Reynolds numb...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"22 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141608870","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-18DOI: 10.1080/14685248.2024.2367507
Kiran Jadhav, Rahul Agrawal, Abhilash J. Chandy
The results of large eddy simulation (LES) using four sub-grid scale (SGS) models, namely: constant coefficient Smagorinsky (CS), dynamic Smagorinsky (DS), a dynamic Clark (DC) model, and dynamic L...
{"title":"Evaluation of subgrid-scale models in decaying rotating stratified turbulence","authors":"Kiran Jadhav, Rahul Agrawal, Abhilash J. Chandy","doi":"10.1080/14685248.2024.2367507","DOIUrl":"https://doi.org/10.1080/14685248.2024.2367507","url":null,"abstract":"The results of large eddy simulation (LES) using four sub-grid scale (SGS) models, namely: constant coefficient Smagorinsky (CS), dynamic Smagorinsky (DS), a dynamic Clark (DC) model, and dynamic L...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"255 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141547172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-30DOI: 10.1080/14685248.2024.2360195
T. Knopp, L. Eça, S. L. Toxopeus, D. Fritsch, A. Gargiulo, K. T. Lowe, C. J. Roy, G. Deng, M. Visonneau, E. Guilmineau
NATO AVT-RTG-349 was dedicated to the validation of computational fluid dynamics (CFD) methods based on the Reynolds-Averaged Navier-Stokes (RANS) equations and statistical turbulence models for no...
{"title":"Errors and uncertainties in CFD validation for non-equilibrium turbulent boundary layer flows at high Reynolds numbers","authors":"T. Knopp, L. Eça, S. L. Toxopeus, D. Fritsch, A. Gargiulo, K. T. Lowe, C. J. Roy, G. Deng, M. Visonneau, E. Guilmineau","doi":"10.1080/14685248.2024.2360195","DOIUrl":"https://doi.org/10.1080/14685248.2024.2360195","url":null,"abstract":"NATO AVT-RTG-349 was dedicated to the validation of computational fluid dynamics (CFD) methods based on the Reynolds-Averaged Navier-Stokes (RANS) equations and statistical turbulence models for no...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"23 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141547173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-28DOI: 10.1080/14685248.2024.2360186
Ralph J. Volino, Daniel Fritsch, William J. Devenport, Luís Eça, Ricardo García-Mayoral, Beverley McKeon, Ugo Piomelli, Daniel Chung, Vidya Vishwanathan, Maarten Kerkvliet, Serge Toxopeus, Nicholas Hutchins
The effects of roughness were considered as part of a NATO Advanced Vehicle Technology effort titled ‘Non-Equilibrium Turbulent Boundary Layers at High Reynolds Numbers’ (NATO AVT-349). This paper ...
{"title":"Effects of roughness on non-equilibrium turbulent boundary layers","authors":"Ralph J. Volino, Daniel Fritsch, William J. Devenport, Luís Eça, Ricardo García-Mayoral, Beverley McKeon, Ugo Piomelli, Daniel Chung, Vidya Vishwanathan, Maarten Kerkvliet, Serge Toxopeus, Nicholas Hutchins","doi":"10.1080/14685248.2024.2360186","DOIUrl":"https://doi.org/10.1080/14685248.2024.2360186","url":null,"abstract":"The effects of roughness were considered as part of a NATO Advanced Vehicle Technology effort titled ‘Non-Equilibrium Turbulent Boundary Layers at High Reynolds Numbers’ (NATO AVT-349). This paper ...","PeriodicalId":49967,"journal":{"name":"Journal of Turbulence","volume":"18 1","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141547174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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