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Related Experiment Video

Updated: May 27, 2026

Investigating the Three-dimensional Flow Separation Induced by a Model Vocal Fold Polyp

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Published on: February 3, 2014

Wall-mass effects on hydrodynamic boundary slip.

Nikolaos Asproulis¹, Dimitris Drikakis

¹Fluid Mechanics & Computational Science Department, Cranfield University, United Kingdom. n.asproulis@cranfield.ac.uk

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|November 9, 2011

Summary

This summary is machine-generated.

This study explores how surface stiffness and wall particle mass affect slip length in solid-liquid interfaces. Results show slip length varies with oscillating frequency, peaking before reaching an asymptotic value.

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Area of Science:

Physics
Materials Science
Physical Chemistry

Background:

Understanding momentum and energy transfer at solid-liquid interfaces is crucial.
Surface properties significantly influence interfacial dynamics.

Purpose of the Study:

To investigate the combined effects of surface stiffness (κ) and wall particle mass (m(w)) on slip length.
To elucidate the relationship between slip length and thermal oscillation frequencies.

Main Methods:

Simulated thermal solid walls using elastic spring potentials to model surface stiffness (κ).
Analyzed the relationship between slip length, surface stiffness, and wall particle mass.

Main Results:

Surface stiffness dictates thermal oscillation amplitude.
Oscillating frequency is proportional to √(κ/m(w)).
Slip length and thermal oscillating frequencies follow a "master" curve, initially increasing, peaking, then decreasing to an asymptotic value.

Conclusions:

The interplay between surface stiffness and wall mass governs slip length.
A universal relationship exists between slip length and oscillating frequency, dependent on wall properties.