Stability Of A Viscous Jet Newtonian Liquids

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Stability Of A Viscous Jet Newtonian Liquids

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Author : Ralph E. Phinney
language : en
Publisher:
Release Date : 1970

Stability Of A Viscous Jet Newtonian Liquids written by Ralph E. Phinney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with categories.

An experimental investigation of stability is made of laminar viscous jets of a Newtonian fluid. The breakup length is measured by electrical means as a function of fluid properties, together with jet exit velocity and diameter. Nozzles with orifice plate exits, as well as long, cylindrical pipes, were tested. The conditions for the maximum breakup distance were determined, as well as the functional form of the breakup curve before and after the peak. The results are discussed in comparison to the other known sources of data, as well as the theories which are applicable. (Author).

Stability Of A Viscous Jet Non Newtonian Liquids

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Author : Ralph E. Phinney
language : en
Publisher:
Release Date : 1971

Stability Of A Viscous Jet Non Newtonian Liquids written by Ralph E. Phinney and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.

An experimental investigation is made of the stability of viscous jets of a non-Newtonian fluid consisting of solutions of CMC (Carboxymethyl Cellulose) in water. The Newtonian fluid properties of CMC solutions are correlated in terms of a relaxation time, which can be estimated theoretically, and two characteristics viscosities, all of which depend only on the additive concentration. The breakup distance for CMC solutions is compared to the known properties of Newtonian jets, as well as theoretical and experimental results for non-Newtonian fluids from other sources. (Author).

Theoretical And Experimental Studies Of The Stability Of A Viscous Liquid Jet With Respect To Non Axisymmetric Disturbances

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Author : Richard D. Webb
language : en
Publisher:
Release Date : 1992

Theoretical And Experimental Studies Of The Stability Of A Viscous Liquid Jet With Respect To Non Axisymmetric Disturbances written by Richard D. Webb and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Jets categories.

The Formation And Stability Of Jets In Immiscible Liquid Systems

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Author : Bernard John Meister
language : en
Publisher:
Release Date : 1966

The Formation And Stability Of Jets In Immiscible Liquid Systems written by Bernard John Meister and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Drops categories.

Breakup Of Liquid Sheets And Jets

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Author : S. P. Lin
language : en
Publisher: Cambridge University Press
Release Date : 2003-08-21

Breakup Of Liquid Sheets And Jets written by S. P. Lin and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-08-21 with Technology & Engineering categories.

This book, first published in 2003, is an exposition of what we knew about the physics underlying the onset of instability in liquid sheets and jets. Wave motion and breakup phenomena subsequent to the onset of instability are carefully explained. Physical concepts are established through rigorous mathematics, accurate numerical analyses and comparison of theory with experiment. Exercises are provided for students, and these help familiarize the reader with the required mathematical tools. This book further provides a rational basis for designing equipment and processes involving the phenomena of sheet and jet breakup. Researchers interested in transition to turbulence, hydrodynamic stability or combustion will find this book a highly useful resource, whether their background lies in engineering, physics, chemistry, biology, medicine or applied mathematics.

The Effect Of Turbulence On The Stability Of Liquid Jets And The Resulting Droplet Size Distributions Fourth Quarterly Technical Report October 1 1993 December 31 1993

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Author :
language : en
Publisher:
Release Date : 1993

The Effect Of Turbulence On The Stability Of Liquid Jets And The Resulting Droplet Size Distributions Fourth Quarterly Technical Report October 1 1993 December 31 1993 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

In this progress report the authors report on progress in making experimental measurements to describe the rheological properties of non-Newtonian fluids. Non-Newtonian liquids exhibit a non linear relationship between the shear stress and the shear rate. A typical time-dependent rheological phenomenon is thixotropy. Thixotropic fluids show a limited decrease in the shear viscosity of the fluid with time under a suddenly applied constant stress. Thixotropic fluids also show a hysteresis loop and a decaying stress on the shear stress-shear rate plot. Here the authors are using a power law model to describe the behavior of such non-Newtonian liquids.

Free Liquid Jets And Films

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Author : Alexander L. Yarin
language : en
Publisher: Chapman & Hall/CRC
Release Date : 1993

Free Liquid Jets And Films written by Alexander L. Yarin and has been published by Chapman & Hall/CRC this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Mathematics categories.

An examination of the hydrodynamics of free liquid jets and the films of viscous and rheologically complex (in particular, polymeric) liquids. Offering a unique and comprehensive coverage of an important topic, this volume will be invaluable for all those involved in applied mathematics, computational fluid mechanics, hydrodynamics, rheology, applied physics, as well as chemical and mechanical engineering.

The Mechanics And Stability Of Liquid Jets And Films Jet Atomization

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Author : KEVIN RICHARD JOHN ELLWOOD
language : en
Publisher:
Release Date : 1991

The Mechanics And Stability Of Liquid Jets And Films Jet Atomization written by KEVIN RICHARD JOHN ELLWOOD and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.

The underlying objective of this thesis is to study the process of coating by jet atomization, whose mechanism is divided into the mechanics and stability of liquid jets and the dynamics of thin films.

Instability And Breakup Of Non Newtonian Viscoelastic Liquid Jets

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Author : Prassanna Sai Ramesh
language : en
Publisher:
Release Date : 2012

Instability And Breakup Of Non Newtonian Viscoelastic Liquid Jets written by Prassanna Sai Ramesh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

A mathematical model for predicting the breakup length and resultant drop size for a liquid jet emanating from an orifice into a gaseous atmosphere is presented in this thesis. The non-Newtonian viscoelastic liquids are considered owing to their importance in a variety of engineering applications. The viscoelastic liquid rheology is characterized by the Jeffrey's equation. Results for a Newtonian jet are obtained by making the viscoelastic time constants zero in the model. Furthermore, when the liquid viscosity is neglected in the model, the behavior of an inviscid liquid jet can be predicted. The perturbation expansion technique is used to analyze the stability of the liquid jet by imposing a small disturbance on the jet surface and tracking the growth and development of the disturbance. In this temporal analysis, the jet is considered to disintegrate into droplets when the amplitude of the surface disturbance reaches the jet radius. The time taken for the surface deformation to evolve and break the jet, or the breakup time, and the breakup length are calculated. The model is validated by comparing numerical predictions with several theoretical analyses and experimental measurements available in the literature. A parametric study is carried out to investigate the effects of fluid properties (liquid viscosity, liquid elasticity, and time constant ratios), flow conditions (liquid and gas velocities), and disturbance characteristics (initial amplitude and wave number) on the breakup length and resultant drop size. Significant findings are that increase in gas velocity decreases the breakup length and increases the size of the secondary drops formed. Also, jets of higher viscosity liquids have longer breakup lengths. Increasing the liquid elasticity decreases the breakup length and aids in the breakup process. Higher initial disturbance amplitude results in shorter breakup length but the initial amplitude does not significantly affect the resulting drop size.

Stability Of Vertical Jets Of Non Newtonian Fluids

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Author : John Paul Lenczyk
language : en
Publisher:
Release Date : 1968

Stability Of Vertical Jets Of Non Newtonian Fluids written by John Paul Lenczyk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with categories.