Rheology of Dissemination.

Abstract

The breakup of a cylindrical jet of BKZ fluid perturbed sinusoidally is modeled in one dimension. Surfaced tension, nonlinear viscoelastic forces and both radial and axial acceleration are taken into account. The model leads to an intgro-differential equation. A FORTRAN program is developed to solve this equation using a predictor corrector method. Various subroutines are given to evaluate necessary derivatives with finite differences and to solve a pentadiagonal matrix which arises. The techniques and routines developed are useful for solving a variety of similar problems. Keywords: Drop formation; Filament breakup; Finite differences; Liquid jets; Numerical techniques; Rheology; Satellite drops; Surface tention.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1986
Accession Number
ADA174998

Entities

People

  • E. A. Kearsley

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Artificial Satellites
  • Boundary Value Problems
  • Classification
  • Computational Fluid Dynamics
  • Computational Science
  • Computer Programs
  • Differential Equations
  • Engineering
  • Equations
  • Filaments
  • Fluid Mechanics
  • Liquid Jets
  • Materials
  • Relaxation Time
  • Surface Tension
  • Time Intervals

Readers

  • Aerosol Science/Aerosol Physics
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Fluid Dynamics.

Technology Areas

  • Space
  • Space - Hall-Effect Thruster
  • Space - Orbital Debris