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Updated: Jan 5, 2026

Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
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Aerodynamically stabilized Taylor cone jets.

F Cruz-Mazo1, M O Wiedorn2,3,4, M A Herrada1

  • 1Departamento de Ingeniería Aerospacial y Mecánica de Fluidos, Universidad de Sevilla, Camino de los Descrubrimientos s/n, 41092 Sevilla, Spain.

Physical Review. E
|October 24, 2019
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Summary
This summary is machine-generated.

We developed a method to stabilize micro/nanoliquid jets using coflowing gas streams. Our global stability analysis and experiments reveal scaling laws for jet diameter and velocity, enabling applications in structural biology.

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Area of Science:

  • Physics
  • Fluid Dynamics
  • Nanotechnology

Background:

  • Taylor cones are crucial for generating micro/nanoliquid jets.
  • Stabilizing these jets with coflowing gas is essential for controlled applications.
  • Understanding the dripping-jetting transition is key to optimizing jet behavior.

Purpose of the Study:

  • To theoretically and experimentally investigate the stabilization of micro/nanoliquid jets with coflowing gas.
  • To derive scaling laws predicting minimum jet diameter and maximum velocity.
  • To explore parameters influencing jet length in this configuration.

Main Methods:

  • Global stability analysis of the dripping-jetting transition.
  • Derivation of coupled scaling laws based on physical principles.
  • Experimental verification of theoretical predictions and jet length parameters.

Main Results:

  • Two coupled scaling laws were derived, accurately predicting minimum jet diameter and maximum velocity.
  • Theoretical predictions align with numerical computations and existing experimental data.
  • Identified key parameters influencing capillary jet length in the presence of gas flow.

Conclusions:

  • The study provides a robust theoretical framework for stabilizing micro/nanoliquid jets with gas coflow.
  • The derived scaling laws offer predictive power for jet characteristics.
  • This technique holds potential for high-throughput structural biology using X-ray free-electron lasers and other advanced applications.