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Related Experiment Videos

Splitting of a liquid jet.

Srinivas Paruchuri1, Michael P Brenner

  • 1Division of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA 02138, USA.

Physical Review Letters
|May 16, 2007
PubMed
Summary
This summary is machine-generated.

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Tangential stress controllably splits liquid jets into two subfilaments, unlike normal stresses. This discovery offers a new method for creating small polymeric fibers.

Area of Science:

  • Fluid dynamics
  • Rheology
  • Materials science

Background:

  • Liquid jet behavior is crucial in various industrial processes.
  • Understanding jet instability is key to controlling material formation.

Purpose of the Study:

  • To investigate the effects of surface stress on liquid jet stability.
  • To determine the conditions under which a liquid jet can be controllably split.

Main Methods:

  • Applying controlled tangential and normal stresses to a flowing liquid jet.
  • Observing jet behavior under different stress conditions.

Main Results:

  • Sufficient tangential stress controllably splits a liquid jet into two subfilaments.
  • Normal stresses were found to be ineffective in splitting the liquid jet.

Related Experiment Videos

  • Results were applied to analyze uncontrolled jet splitting in electric fields.

    • Conclusions:

    • Controllable liquid jet splitting is achievable via tangential stress.
    • This method presents a novel approach for producing small polymeric fibers.
    • Further research could explore applications in microfluidics and fiber manufacturing.