Pattern formation on the surface of the granular medium in a horizontal rotating cylinder filled with fluid

Dyakova, Veronika; Polezhaev, Denis

doi:10.1103/physrevfluids.7.044302

Phys. Rev. Fluids

2022

DOI: 10.1103/physrevfluids.7.044302

|View full text |Cite

Pattern formation on the surface of the granular medium in a horizontal rotating cylinder filled with fluid

Veronika Dyakova

Denis Polezhaev

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2023

Publication Types

Select...

Article1

Relationship

Self Cite0

Independent1

Authors

Journals

Cited by 1 publication

References 45 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Shear instability at the interface between fluid and granular medium in a horizontal rotating cylinder

Dyakova

Polezhaev

2023

Physics of Fluids

View full text Add to dashboard Cite

The stability of the interface between a low-viscosity fluid and a granular medium in a horizontal rotating cylinder is experimentally studied. Two cases are studied, namely, (i) plastic particles in a more dense fluid and (ii) plastic particles in a less dense fluid. We consider a moderate rotation when particles can form an axisymmetric core in the cylinder center or an annular layer near the cylindrical wall under the action of centrifugal force. The buoyancy force acting on the particles of the granular core fluidizes the granular bed and induces the rotation of the suspended particles with a velocity different from that of the rotating fluid. In the same way, the gravitational force tends to fluidize the surface of an annular layer of granular material in experiments with a fluid with a density less than that of grains. The observations revealed that the suspended particles arrange themselves into regular ripples at the interface. In the present study, the stability threshold and the size of regular ripples are studied in dependence on the rotation rate, the relative density of two media, and the volume of granular material. The instability is found to be of the same nature as the Kelvin–Helmholtz instability observed in classical fluids but with characteristics that can differ due to the specificity of the granular rheology.

show abstract

Shear instability at the interface between fluid and granular medium in a horizontal rotating cylinder

Dyakova

Polezhaev

2023

Physics of Fluids

View full text Add to dashboard Cite

show abstract

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Pattern formation on the surface of the granular medium in a horizontal rotating cylinder filled with fluid

Cited by 1 publication

References 45 publications

Shear instability at the interface between fluid and granular medium in a horizontal rotating cylinder

Shear instability at the interface between fluid and granular medium in a horizontal rotating cylinder

Contact Info

Product

Resources

About