{"title":"Predicting the Drag of Rough Surfaces","authors":"D. Chung, N. Hutchins, M. Schultz, K. Flack","doi":"10.1146/annurev-fluid-062520-115127","DOIUrl":"https://doi.org/10.1146/annurev-fluid-062520-115127","url":null,"abstract":"Reliable full-scale prediction of drag due to rough wall-bounded turbulent fluid flow remains a challenge. Currently, the uncertainty is at least 10%, with consequences, for example, on energy and ...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"53 1","pages":"439-471"},"PeriodicalIF":27.7,"publicationDate":"2021-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45772698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Levitation and Self-Organization of Droplets","authors":"V. Ajaev, O. Kabov","doi":"10.1146/annurev-fluid-030620-094158","DOIUrl":"https://doi.org/10.1146/annurev-fluid-030620-094158","url":null,"abstract":"We review studies of levitating droplets over liquid–gas interfaces and dry solid surfaces with a focus on the physical mechanisms of levitation under different conditions. A fascinating physical p...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"53 1","pages":"203-225"},"PeriodicalIF":27.7,"publicationDate":"2021-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46910739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Layering, Instabilities, and Mixing in Turbulent Stratified Flows","authors":"Colm‐cille P. Caulfield","doi":"10.1146/annurev-fluid-042320-100458","DOIUrl":"https://doi.org/10.1146/annurev-fluid-042320-100458","url":null,"abstract":"Understanding how turbulence leads to the enhanced irreversible transport of heat and other scalars such as salt and pollutants in density-stratified fluids is a fundamental and central problem in ...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"53 1","pages":"113-145"},"PeriodicalIF":27.7,"publicationDate":"2021-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev-fluid-042320-100458","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45859189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Exact Coherent States and the Nonlinear Dynamics of Wall-Bounded Turbulent Flows","authors":"M. Graham, D. Floryan","doi":"10.1146/ANNUREV-FLUID-051820-020223","DOIUrl":"https://doi.org/10.1146/ANNUREV-FLUID-051820-020223","url":null,"abstract":"Wall-bounded turbulence exhibits patterns that persist in time and space: coherent structures. These are important for transport processes and form a conceptual framework for important theoretical ...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"53 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/ANNUREV-FLUID-051820-020223","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63963072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Fluid Mechanics of Tidal Stream Energy Conversion","authors":"T. Adcock, S. Draper, R. Willden, C. Vogel","doi":"10.1146/ANNUREV-FLUID-010719-060207","DOIUrl":"https://doi.org/10.1146/ANNUREV-FLUID-010719-060207","url":null,"abstract":"Placing mechanical devices into fast-moving tidal streams to generate clean and predictable electricity is a developing technology. This review covers the fundamental fluid mechanics of this applic...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":" ","pages":""},"PeriodicalIF":27.7,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/ANNUREV-FLUID-010719-060207","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45541531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Bluff Bodies and Wake–Wall Interactions","authors":"M. Thompson, T. Leweke, K. Hourigan","doi":"10.1146/annurev-fluid-072220-123637","DOIUrl":"https://doi.org/10.1146/annurev-fluid-072220-123637","url":null,"abstract":"This review surveys the dramatic variations in wake structures and flow transitions, in addition to body forces, that appear as the motion of bluff bodies through a fluid occurs increasingly closer...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":" ","pages":""},"PeriodicalIF":27.7,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev-fluid-072220-123637","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44453167","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Turbulence Processes Within Turbidity Currents","authors":"M. Wells, R. Dorrell","doi":"10.1146/annurev-fluid-010719-060309","DOIUrl":"https://doi.org/10.1146/annurev-fluid-010719-060309","url":null,"abstract":"Sediment-laden gravity currents, or turbidity currents, are density-driven flows that transport vast quantities of particulate material across the floor of lakes and oceans. Turbidity currents are ...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":" ","pages":""},"PeriodicalIF":27.7,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev-fluid-010719-060309","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49360857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Fluid Mechanics of Cleaning and Decontamination of Surfaces","authors":"J. Landel, D. Wilson","doi":"10.1146/annurev-fluid-022820-113739","DOIUrl":"https://doi.org/10.1146/annurev-fluid-022820-113739","url":null,"abstract":"The removal of unwanted entities or soiling material from surfaces is an essential operation in many personal, industrial, societal, and environmental applications. The use of liquid cleansers for ...","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":"53 1","pages":""},"PeriodicalIF":27.7,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev-fluid-022820-113739","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42995374","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Numerical Methods for Viscoelastic Fluid Flows","authors":"M. A. Alves, P. Oliveira, F. Pinho","doi":"10.1146/annurev-fluid-010719-060107","DOIUrl":"https://doi.org/10.1146/annurev-fluid-010719-060107","url":null,"abstract":"Complex fluids exist in nature and are continually engineered for specific applications involving the addition of macromolecules to a solvent, among other means. This imparts viscoelasticity to the fluid, a property responsible for various flow instabilities and major modifications to the fluid dynamics. Recent developments in the numerical methods for the simulation of viscoelastic fluid flows, described by continuum-level differential constitutive equations, are surveyed, with a particular emphasis on the finite-volume method. This method is briefly described, and the main benchmark flows currently used in computational rheology to assess the performance of numerical methods are presented. Outstanding issues in numerical methods and novel and challenging applications of viscoelastic fluids, some of which require further developments in numerical methods, are discussed.","PeriodicalId":50754,"journal":{"name":"Annual Review of Fluid Mechanics","volume":" ","pages":""},"PeriodicalIF":27.7,"publicationDate":"2021-01-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1146/annurev-fluid-010719-060107","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44367002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}